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Digital or programmed data processor

Subclass of:

701 - Data processing: vehicles, navigation, and relative location

701001000 - VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION

701099000 - With indicator or control of power plant (e.g., performance)

701101000 - Internal-combustion engine

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
701103000 Control of air/fuel ratio or fuel injection 1324
701113000 Starting, warmup 146
701112000 Engine stop, fuel shutoff 119
701111000 Vibration, roughness, knock 82
701110000 Speed, acceleration, deceleration 37
701115000 Specific memory or interfacing device 25
701114000 Backup, interrupt, reset, or test 13
Entries
DocumentTitleDate
20130030670SYSTEM AND METHOD FOR CONTROLLING ALTERNATOR OR INTEGRATED STARTER GENERATOR OUTPUT VOLTAGE - An automotive vehicle includes an engine, an alternator or integrated starter generator, and at least one controller. The at least one controller reduces voltage output of the alternator or integrated starter generator prior to initiating an auto stop of the engine.01-31-2013
20110208405INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. Generally, an engine is controlled to operate in a skip fire variable displacement mode. In various embodiments, the appropriate firings are determined dynamically during operation of the engine on a firing opportunity by firing opportunity basis and/or without the use of predefined firing patterns.08-25-2011
20120173120METHODS AND APPARATUS TO DISRUPT THE ENGINE OF A VEHICLE - Methods and apparatus to transmit a range of frequencies targeting a vehicle, monitoring performance of an engine of the vehicle, determining a first frequency in the range of frequencies that disrupts operation of the engine, and dwelling on the first frequency to disrupt the engine, reducing power and continuing to dwell at the first frequency to maintain disruption of the engine.07-05-2012
20120173118CONTROL OF EGR, FRESH MASS AIR FLOW, AND BOOST PRESSURE FOR INTERNAL COMBUSTION ENGINES - An engine includes an exhaust gas recirculation circuit, an air throttle system, and a charging system. A method to control the engine includes determining a feed forward control command for a first selected one of the exhaust gas recirculation system, the air throttle system, and the charging system based on an inverse flow model of the first selected system. This includes monitoring a first input based upon an effective flow area of the first selected system, monitoring a second input based upon a pressure value within the first selected system, and determining the feed forward control command for the first selected system based upon the first input and the second input. The first selected system is controlled based upon the feed forward control command for the first selected system.07-05-2012
20090192692Method and Device for Operating a Drive Unit - A method and a device are provided for operating a drive unit of a vehicle having an engine which in a first operating state is operated with a first number of cylinders and in a second operating state is operated with a second number of cylinders. The first number of cylinders and the second number of cylinders are different from one another. The switchover of the engine between the first operating state and the second operating state is adapted to the driver type or the driving situation. Switchover between the first operating state and the second operating state is delayed as a function of the driver type or the driving situation.07-30-2009
20110202253FUEL EFFICIENT AMMONIA GENERATION STRATEGY FOR LEAN-BURN ENGINES UTILIZING PASSIVE NH3-SCR FOR THE CONTROL OF NOX - A method and system for operating an ammonia generation cycle in an internal combustion engine and a connected aftertreatment system includes monitoring a parameter of engine operation, comparing the parameter of engine operation to a threshold delineating operation of the engine in one of a stoichiometric operation and rich operation, and operating the ammonia generation cycle based upon the comparing indicating the parameter of engine operation exceeding the threshold.08-18-2011
20110202252COMPANION CHIP FOR ENGINE CONTROL SIGNAL PROCESSING - A companion chip for engine control signal processing. The companion chip includes a signal pre-processing circuit which is developed for the computation of an interpolation and a tangential slope of an engine control signal.08-18-2011
20100076664POLLUTION CONTROL SYSTEM - The pollution control system includes a controller coupled to a sensor monitoring an operational characteristic of a combustion engine, such as engine RPM. A PCV valve having an inlet and an outlet is adapted to vent blow-by gas out from the combustion engine. A fluid regulator associated with the PCV valve and responsive to the controller selectively modulates engine vacuum pressure to adjustably increase or decrease a fluid flow rate of blow-by gas venting from the combustion engine. The controller selectively adjustably positions the fluid regulator to vary the degree of vacuum pressure to optimize the recycling of blow-by gases.03-25-2010
20100076663VEHICLE AND CONTROL METHOD THEREOF - In a hybrid vehicle 03-25-2010
20100114453SYSTEM AND METHOD FOR DETERMINING OXYGEN SENSOR HEATER RESISTANCE - An engine control module includes an exhaust heating module, a temperature determination module, and a resistance measuring module. The exhaust heating module operates an engine at a predetermined speed to generate an exhaust gas having a predetermined temperature. The exhaust gas heats a heating element of an oxygen sensor. The temperature determination module determines, based on the predetermined speed, when the heating element is heated to the predetermined temperature. The resistance measuring module determines a resistance of the heating element when the heating element is heated to the predetermined temperature.05-06-2010
20100114455PROCEDURE FOR CHECKING THE FUNCTIONALITY OF A METERING VALVE OF A NOx-REDUCTION SYSTEM OF A COMBUSTION ENGINE - A procedure for checking the functionality of a metering valve (05-06-2010
20130080028METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - An exemplary embodiment of the present disclosure provides a method for operating an internal combustion engine comprising: monitoring a value of a temperature parameter of a diesel particulate filter of the internal combustion engine; monitoring a value of an operating parameter of the internal combustion engine indicative of an engine load; using the monitored value of the engine load parameter to determine a threshold value of the diesel particulate filter temperature parameter; testing whether the monitored value of the diesel particulate filter temperature parameter exceeds the determined threshold value thereof; and diagnosing that the diesel particulate filter is overheated if the test returns positive.03-28-2013
20130080027CONTROL DEVICE AND METHOD FOR CONTROLLING VARIABLE VALVE TIMING MECHANISM IN INTERNAL COMBUSTION ENGINE - Valve timing is held to a position close to a target value as much as possible while suppressing control errors of valve timing even though a crankshaft rotates in reverse. In an internal combustion engine which controls the valve timing by a variable valve timing mechanism (an electric VTC) driven by an electric motor, an intake valve timing is controlled after an output of an engine stop command such that: when the engine rotates in a forward direction, a real valve timing (a VTC real angle θr) detected by a sensor is converged to a target valve timing (a VTC target angle θtrg) advanced for the time of start; and when the engine rotates in a reverse direction, a manipulated variable of the electric VTC is set so that the VTC real angle θr is held to the VTC real angle θr detected just before the detection of the reverse rotation.03-28-2013
20130080026METHOD AND APPARATUS FOR CONTROLLING COMBUSTION NOISE IN AN INTERNAL COMBUSTION ENGINE - An internal combustion engine operates in a homogeneous-charge compression-ignition combustion mode. A method for controlling the internal combustion engine in response to a fast transient event from a low-load state to a high-load state includes operating the engine with a negative valve overlap between an intake valve and an exhaust valve, and determining a preferred combustion phasing responsive to the high-load state. A preferred EGR mass and a preferred intake valve timing corresponding to the preferred combustion phasing are determined A first intake valve timing is determined in response to a difference between the preferred EGR mass and an actual EGR mass. The intake valve timing is controlled in response to a difference between the preferred intake valve timing and the first intake valve timing.03-28-2013
20130080025SYSTEM AND METHOD FOR ESTIMATING TURBOCHARGER COMPRESSOR INLET AIR FLOW RATE - A system and method are provided for estimating the flow rate of air entering an air inlet of a turbocharger compressor. A first pressure value corresponds to pressure at or near the air inlet of the compressor, and a second pressure value corresponds to pressure at or near the air outlet of the compressor. A temperature value corresponds to a temperature at or near the air inlet of the compressor, and a speed value corresponds to an operating speed of the turbocharger. The flow rate of air entering the air inlet of the turbocharger compressor is illustratively estimated as a function of the first pressure value, the second pressure value, the temperature value and the speed value.03-28-2013
20130080024SYSTEM AND METHOD FOR ESTIMATING TURBOCHARGER OPERATING SPEED - A system and method are provided for estimating the operating speed of a turbocharger. A first pressure value corresponds to pressure at or near the air inlet of the compressor, and a second pressure value corresponds to pressure at or near the air outlet of the compressor. A temperature value corresponds to a temperature at or near the air inlet of the compressor, and a flow rate value corresponds to a flow rate of air entering the air inlet of the compressor. The operating speed of the turbocharger is estimated as a function of the first pressure value, the second pressure value, the temperature value and the flow rate value.03-28-2013
20130080023SYSTEM AND METHOD FOR SECURING ENGINE TORQUE REQUESTS - A control system for an engine includes an engine torque request module, an engine torque response module, a torque command limit module, and an actuation module. The engine torque request module determines an engine torque request based on (i) an engine power request and (ii) a desired engine speed (DRPM). The engine torque response module determines first and second torque values based on (i) an engine torque response model and (ii) first and second torque boundaries, wherein the first and second torque boundaries are based on the DRPM and a measured engine speed (RPM). The torque command limit module generates a secured engine torque request based on (i) the engine torque request and (ii) the first and second torque values. The actuation module controls at least one actuator of the engine based on the secured engine torque request.03-28-2013
20130080022ENGINE OIL LEVEL MONITORING SYSTEMS AND METHODS - An oil monitoring system includes a level module, a limit module and an remedial action module. The level module is configured to determine N oil levels of an engine of a vehicle, where N is an integer greater than 1. The limit module is configured to determine an oil level trend based on the N oil levels and estimate when a level of oil in the engine is to be outside the predetermined range based on the oil level trend. The remedial action module is configured to perform a remedial action based on the estimate of when the level of the oil is to be outside the predetermined range.03-28-2013
20130085653ELECTRIC VEHICLE AND FAULT DETECTION METHOD FOR EXHAUST GAS RECIRCULATION SYSTEM OF INTERNAL COMBUSTION ENGINE - An electric vehicle includes engine in which the amount of fuel supply is controlled by a throttle, a generator that produces electricity using the power of the engine, a motor outputs power to a drive shaft, an EGR system that supplies gas, exhausted from the engine, to a manifold of the engine, a clutch that switches between the transmission and the non-transmission of power from the engine to the drive shaft, a sensor that measures the change of a pressure of the manifold before and after the EGR system supplies the gas to the manifold, and ECU that performs fault detection of the EGR system using the sensor when conditions, where a series mode is selected, the degree of opening of the throttle is constant, are satisfied.04-04-2013
20130085654CONTROL APPARATUS AND CONTROL METHOD FOR VARIABLE MECHANISM - In a control apparatus and a control method for a variable mechanism, when a predetermined condition is fulfilled, a movable member (04-04-2013
20100145593 GEARSHIFT CONTROL METHOD - In a method and a system for controlling the Variable Turbine Geometry (VTG) of a combustion engine during up-gear shift, the VTG is opened based on a prediction when exhaust gas pressure is stabilized. During up-gear shift the VTG is closed to a closed position (06-10-2010
20120209494VARIABLE VALVE LIFT MECHANISM FAULT DETECTION SYSTEMS AND METHODS - A system for a vehicle includes a filtering module, an indicated mean effective pressure (IMEP) determination module, and a stuck mechanism indicator module. The filtering module generates engine speeds based on positions of teeth of a toothed wheel that rotates with a crankshaft and based on a crankshaft position signal generated by a crankshaft position sensor. The IMEP determination module determines an IMEP for a combustion cycle of a cylinder of an engine based on squares of first and second ones of the engine speeds during the combustion cycle. The stuck mechanism indicator module selectively diagnoses a fault in a variable valve lift (VVL) mechanism of the cylinder based on the IMEP.08-16-2012
20130041570FAULT DIAGNOSIS APPARATUS FOR AIRFLOW METER - Disclosed is a fault diagnosis apparatus for an airflow meter for determining that the airflow meter has a fault when a divergence ratio, i.e., a divergence value of an estimated intake-air quantity with respect to an actual intake-air quantity obtained by the airflow meter is greater than a fault-determination reference value determined based on a rotation speed of an internal combustion engine. The apparatus determines that the airflow meter is normal when the engine speed is higher than or equal to a predetermined speed under a specific condition that the divergence value is less than or equal to the reference value, and also maintains a current determination result when the engine speed is less than the predetermined speed under the specific condition, thereby determining, based on the engine speed, whether the airflow meter is normal or the current determination result is maintained, and thus improving the fault-diagnosis accuracy.02-14-2013
20130041569FOUR-STROKE CYCLE INTERNAL COMBUSTION ENGINE AND METHOD OF IDENTIFYING CYLINDER OF FOUR-STROKE CYCLE INTERNAL COMBUSTION ENGINE - An internal combustion engine employs an odd number of cylinders. A crankangle sensor of 360° crankangle (CA) provides a POS signal including a pulse train having pulses generated at each 10° CA. This POS signal includes a specific portion 28′ generated at each 360° CA by a gap portion of the crankangle sensor. The time required for a 10° CA change is calculated for each 10° CA as a second signal, and the time is integrated for intervals A, B, and C. Since the second signal oscillates with a period according to the number of the cylinders in response to a change in stroke of each cylinder, intervals T1 and T4, for example, can be identified by comparing the integrated values. Thus, the cylinders can be identified by only the signal from the crankangle sensor of 360° CA without depending on a cam angle sensor of 720° CA.02-14-2013
20130035839ENGINE START STOP INHIBIT SYSTEM AND METHOD - A system includes a first module configured to determine at least one of a position of a vehicle, an elevation level of the vehicle and a road grade at the position of the vehicle. A second module configured to inhibit an autostop of an engine including generating a start-stop signal based on the at least one of the position of the vehicle, the elevation level of the vehicle and the road grade at the position of the vehicle. An actuator control module configured to prevent the autostop by adjusting at least one of a spark parameter, a fuel parameter and an air flow parameter of the engine based on the start-stop signal.02-07-2013
20090157278METHOD AND SYSTEM FOR USING EXHAUST TEMPERATURE ANOMALIES TO DETECT FUGITIVE FUELING OF A RECIPROCATING INTERNAL COMBUSTION ENGINE - A method and system for using exhaust temperature anomalies to detect fugitive fueling of a reciprocating internal combustion engine compares an exhaust temperature attribute with a predetermined threshold value for such attribute, which is a function of either the combustion of fugitive fuel within the engine, or an indicator of an operating condition leading to fugitive fueling. If the value of the attribute exceeds the threshold value, remedial action will be taken to avoid engine damage resulting from fugitive fueling.06-18-2009
20090157277On-Board Fuel Vapor Separation for Multi-Fuel Vehicle - A fuel delivery system for a fuel burning engine of a vehicle and a method of operating the fuel delivery system is provided. As one example, the method includes separating a first fuel and a second fuel from a fuel vapor on-board the vehicle, said fuel vapor including at least an alcohol component and a hydrocarbon component and said first fuel including a higher concentration of the alcohol component than the fuel vapor and the second fuel; condensing the separated first fuel from a vapor phase to a liquid phase; delivering the condensed liquid phase of the first fuel to the engine; and combusting at least the condensed liquid phase of the first fuel at the engine.06-18-2009
20100106390ECO-RUN SYSTEM, CONTROL PROGRAM AND ECO-RUN STATE INFORMING APPARATUS - The present invention is an eco-run system having an eco-run function that stops and restarts an internal combustion engine depending on a state of a vehicle. The eco-run system includes: table information that prescribes a relationship between a plurality of eco-run prohibition reasons and priorities in which a user is informed of the eco-run prohibition reasons; an eco-run ECU 04-29-2010
20100106389Genset control system having predictive load management - A control system is provided for a generator set coupled to supply electrical power to an external load. The control system may have an input device configured to receive input indicative of a desired adjustment to the external load, and a power control device operable to affect a power output of the generator set. The control system may also have a controller in communication with the input device and the power control device. The controller may be configured to determine a change in the power output of the generator set corresponding to the desired adjustment to the external load, and to operate the power control device to implement the change in power output of the generator set before the desired adjustment to the external load is initiated.04-29-2010
20090132147Evaporative emission canister purge actuation monitoring system having an integrated fresh air filter - An evaporative emission canister purge actuation monitoring system includes an integrated valve body having a main flow passage, and an air filter assembly disposed adjacent the valve body and providing fluid communication between the main flow passage and the ambient air. A first one-way umbrella valve mounted to the valve body that is responsive to predetermined positive pressure in the main flow passage to control flow of fluid from a vapor canister to ambient air as well as a second one-way umbrella valve that is responsive to a predetermined negative pressure in the main flow passage to control the flow of ambient air through a fresh air port.05-21-2009
20120185150IDLE STOP CONTROL DEVICE - Disclosed is an idle stop control device capable of relieving reaction force (kickback) of a handle occurring at idle stop controlled by the control of the idle stop control device. Specifically, an EPSECU (07-19-2012
20120185149CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE - An internal combustion engine control apparatus includes an output-current abnormality-signal holding unit (07-19-2012
20120185147METHOD AND DEVICE FOR DETERMINING A FUEL PRESSURE PRESENT AT A DIRECT INJECTION VALVE - A method for determining a fuel pressure present at a direct injection valve comprising a solenoid drive comprises (a) detecting a voltage induced in the solenoid drive within a time span comprising a closing point in time of the direct injection valve, and (b) determining the fuel pressure based on the detected induced voltage. Further, a corresponding device, a common rail system, a motor vehicle, and a computer program for determining the fuel pressure of a valve comprising a solenoid drive are provided.07-19-2012
20120185146METHOD AND DEVICE FOR AUTOMATICALLY PRODUCING MAP CHARACTERISTIC CURVE STRUCTURES FOR REGULATING AND/OR CONTROLLING A SYSTEM, IN PARTICULAR AN INTERNAL COMBUSTION ENGINE - A method for the automatic production of map characteristic curve structures for regulating and/or controlling a system. A modeling approach being used for the acquisition of causal dependencies from which, based on measurement data, a map characteristic curve structure is derived. In order to achieve an optimal map characteristic curve structure, the modeling approach has a theoretical data model from which a theoretical model deviation is determined, at least one input quantity of the data model being supplied to a map structure producer for determining a map characteristic curve structure, and the determined map characteristic curve structure being parameterized using measurement data and the result of the parameterization being compared to the theoretical model deviation, and, if a result of the comparison exceeds a specified value, the result of the comparison being resupplied to the map structure producer for the adaptation of the map characteristic curve structure.07-19-2012
20120166063METHOD FOR REGULATING THE RAIL PRESSURE IN A COMMON RAIL INJECTION SYSTEM OF AN INTERNAL COMBUSTION ENGINE - Proposed is a method for open-loop and closed-loop control of an internal combustion engine (06-28-2012
20130046451CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine is provided, which can carry out favorable injection amount feedback control even when a fuel property changes. A cylinder internal pressure sensor (02-21-2013
20090043476Motor Vehicle and Control Method of Motor Vehicle - In a hybrid vehicle of the invention, when a voltage level E of a low-voltage battery exceeds a preset alert reference value Eth1 (step S02-12-2009
20100138133METHOD AND SYSTEM TO PREVENT UNAUTHORIZED USES OF ENGINE CONTROLLERS - A method and control module for enabling or disabling control of an engine includes a check module receiving signals through a wiring harness and comparing the check signals to a threshold. The control module also includes an engine control module disabling the engine when the check signals correspond to an unauthorized use.06-03-2010
20100138135METHOD AND DEVICE FOR DETERMINING THE COMBUSTION LAMBDA VALUE OF AN INTERNAL COMBUSTION ENGINE - In a method and a device which allow determination of the combustion lambda value of an internal combustion engine having at least two combustion chambers without using a lambda sensor, a predetermined first fuel quantity is metered to the first combustion chamber and a predetermined second fuel quantity is metered to the second combustion chamber, the first fuel quantity is reduced by a predetermined amount and the second fuel quantity is increased by the same predetermined amount. A first engine noise, associated with the first combustion chamber, and a second engine noise, associated with the second combustion chamber, are determined. The combustion lambda value is determined based on the first engine noise value and second engine noise value.06-03-2010
20100138134ENGINE COOLING SYSTEM DIAGNOSTIC FOR APPLICATIONS WITH TWO COOLANT SENSORS - A temperature comparison module generates a temperature difference between an engine coolant temperature and a radiator coolant temperature. An energy determination module determines an energy value corresponding to heat energy generated by an engine. The heat energy increases at least one of the engine coolant temperature and the radiator coolant temperature. A diagnostic module generates a comparison of the temperature difference and the energy value and determines a status of a thermostat associated with the engine based on the comparison.06-03-2010
20090306874CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - Provided is a control apparatus for an internal combustion engine, capable of improving a response characteristic of a PID feedback control, including: an oil pressure regulating valve having a solenoid; a variable cam phase mechanism for changing a cam phase; and an ECU for controlling the oil pressure regulating valve. The ECU includes: an actual cam phase detecting unit for detecting the cam phase; a target cam phase setting unit for setting a target cam phase; an output duty calculating unit for calculating an output duty; a feedback control unit for controlling the cam phase via the output duty calculating unit with PID feedback control; a coil temperature detecting unit for detecting a temperature of a coil; a circuit resistance calculating unit for calculating a resistance of an electric circuit by correcting a resistance of the coil based upon the temperature of the coil; and an integral term initial value calculating unit for calculating a holding output duty based upon the resistance of the electric circuit. When an integral term is initialized, the feedback control unit sets the holding output duty as the integral term.12-10-2009
20090105926Control method for improving fuel efficiency of hybrid electric vehicle - The present invention provides a control method for a hybrid electric vehicle According to a control method of the present invention, the fuel efficiency is improved by extending a fuel cut operation in a wider transmission range and the impact caused by the extended fuel cut operation is reduced by reaction control of a motor operating in the opposite direction to engine torque.04-23-2009
20120191321APPARATUS FOR DETERMINING AN ABNORMALITY OF A CONTROL VALVE OF AN INTERNAL COMBUSTION ENGINE - An apparatus for determining an abnormality of a control valve, the apparatus being applied to an internal combustion engine having: a plurality of superchargers and a plurality of control valves, and carries out an abnormality determination of at least one control valve. The apparatus determines, based on each opening degree of control valves belonging to a first control valve group including only a part of the plurality of control valves and at least one of: a pressure of the air in at least one location in the intake air passage; and a pressure of the exhaust gas in at least one location in the exhaust gas passage, whether or not a control valve belonging to a second control valve group that includes control valves except for control valves belonging to the first control valve group among the plurality of control valves is abnormal.07-26-2012
20130073180CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An object of this invention is to appropriately control the state of a corona discharge in accordance with an exhaust air-fuel ratio, and always purify particulate matter (PM) in exhaust gas efficiently. An engine is equipped with a corona discharge-type exhaust emission control device. The exhaust emission control device purifies PM in exhaust gas by generating a corona discharge between a center electrode and an earth electrode. When the air-fuel ratio is in a rich region, an ECU controls an applied voltage that is applied between the electrodes. It is thereby possible to obtain a maximum PM purification rate while preventing an arc discharge. When the air-fuel ratio is in a lean region, a discharge current flowing between the electrodes is controlled. It is thereby possible to suppress power consumption while compensating for a decrease in the PM purification rate caused by a reduction in the PM amount in the exhaust gas.03-21-2013
20130073179SELECTIVE EXHAUST GAS RECIRCULATION DIAGNOSTIC SYSTEMS AND METHODS - A system for a vehicle includes a first exhaust gas flow rate (EGF) estimation module, a second EGF estimation module, and an EGF fault detection module. The first EGF estimation module estimates a first flow rate of exhaust re-circulated back to an intake manifold based on a concentration of oxygen in the intake manifold. The second EGF estimation module estimates a second flow rate of exhaust re-circulated back to the intake manifold based on an engine speed and an engine load. The EGF fault detection module selectively indicates a fault is present in an exhaust gas recirculation (EGR) system based on the first flow rate and the second flow rate.03-21-2013
20130073178DIAGNOSTIC SYSTEM AND METHOD FOR A VARIABLE VALVE LIFT MECHANISM - A system according to the principles of the present disclosure includes a timing control module and a diagnostic module. The timing control module controls engine valve timing by sending fluid to an advancing chamber of a cam phaser to adjust the cam phaser to an advanced position and by sending fluid to a retarding chamber of the cam phaser to adjust the cam phaser to a retarded position. The diagnostic module identifies a fault in a variable valve lift (VVL) mechanism based on a first difference between an advancing pressure of the advancing chamber and a retarding pressure of the retarding chamber.03-21-2013
20130073177METHOD TO OPERATE AN INTERNAL COMBUSTION ENGINE - A method to operate a vehicle equipped an internal combustion engine and a transmission coupled to drive wheels. The vehicle is equipped with a parking brake and has an electronic control unit with memory and the engine in fluid communication with an exhaust aftertreatment system. The method includes the steps of determining whether the engine is operating in idle mode for a predetermined period of time; determining whether NOx emissions exceed a predetermined level after the predetermined period of time; and limiting the engine speed not to exceed a predetermined engine speed until an operator engages the parking brake and engages an engine ignition switch.03-21-2013
20130073176METHOD TO OPERATE AN ELECTRONICALLY CONTROLLED INTERNAL COMBUSTION ENGINE - A method and computer readable medium are disclosed to control operation of an internal combustion engine having an electronic control unit (ECU) with memory to burn off HC in an engine exhaust system and limit hydrocarbon and NOx content in the engine exhaust stream while operating the engine in idle mode.03-21-2013
20130073175SYSTEMS AND METHODS FOR DIAGNOSING AN ENGINE - Methods and systems are provided for an engine. A condition of the engine may be diagnosed based on information provided by signals from a generator operationally connected to the engine and/or other signals associated with the engine. Different types of degradation may be distinguished based on discerning characteristics within the information. Thus, a degraded engine component may be identified in a manner that reduces service induced delay.03-21-2013
20130073174SYSTEM AND METHOD FOR DIAGNOSING AN ENGINE - Methods and systems are provided for an engine including a crankcase. A condition of the engine may be diagnosed based on frequency content of crankcase pressure. Different types of degradation may be distinguished based on a frequency content of multiple frequencies of the crankcase pressure. Thus, a degraded engine component may be identified in a manner that reduces service induced delay.03-21-2013
20130060447VEHICLE DIAGNOSIS DEVICE AND METHOD - A method of diagnosing faults within an engine system, the engine system comprising a plurality of cylinders, the method comprising: monitoring the output signal of one or more in-cylinder pressure sensors within the engine system, each of the one or more in-cylinder pressure sensors being associated with a cylinder within the engine system; determining a pressure related parameter for a given cylinder having an associated in-cylinder pressure sensor; and diagnosing the presence of faults within the engine system on the basis of the pressure related parameter.03-07-2013
20130060448CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - The present invention relates to a control device for internal combustion engine comprising: a means for correcting an target value of each object to be controlled; a means for predicting a future state of each of the objects when the objects are controlled according to an initial-target-value or a corrected-target-value of each object; and a means for determining whether or not the future state of each object satisfies a constraint condition for the internal combustion engine, wherein the correction of the target value of each object, the prediction of the future state of each object based on the corrected target value corrected by the correction, and the determination whether or not the predicted future state of each object satisfies the constraint condition are repeated until determined so that the predicted future state satisfies the constraint condition. Furthermore, in the present invention, the state of the object to be predicted is the state in the future after a limited predetermined period.03-07-2013
20130060446METHOD OF PREVENTING DAMAGE TO GPF IN VEHICLE ADOPTED TO CDA - A method of preventing damage to a Gasoline Particulate Filter (GPF) of a vehicle adapted to Cylinder De-activation (CDA) may include monitoring GPF pressure difference that measures a pressure difference of the GPF and determines an accumulation amount of soot in the GPF in accordance with the measured pressure difference of GPF; comparing pressure difference that compares the measured pressure difference of the GPF with a predetermined reproduction pressure difference; calculating GPF temperature that calculates a temperature in the GPF in accordance with each one of CDA modes, based on the accumulation amount of soot and an average oxygen concentration of an exhaust gas for the each one of the CDA modes; and setting CDA mode that determines a number of cylinders available for an CDA operation based on the calculated temperature and a predetermined temperature established for preventing the GPF from a damage.03-07-2013
20090271088Hydraulic Engine - An internal combustion engine and method of operating such an engine are disclosed. In some embodiments, the engine includes a piston provided within a cylinder, wherein a combustion chamber is defined within the cylinder at least in part by a face of the piston, and an intake valve within the cylinder capable of allowing access to the combustion chamber. The engine further includes a source of compressed air, where the source is external of the cylinder and is coupled to the cylinder by way of the intake valve, and where the piston does not ever operate so as to compress therewithin an amount of uncombusted fuel/air mixture, whereby the engine is capable of operating without a starter. In further embodiments, the piston is rigidly coupled to another, oppositely-orientated second piston, and the two pistons move in unison in response to combustion events to drive hydraulic fluid to a hydraulic motor.10-29-2009
20090271087CONTROL DEVICE AND ENGINE CONTROL DEVICE10-29-2009
20090070001CONTROLLER FOR HYBRID VEHICLE - A fuel vapor treatment apparatus includes: a detection passage provided with a restrictor therein; a pump generating a gas-flow in the detection passage; and a differential pressure sensor detecting a pressure loss at the restrictor. A fuel vapor concentration is computed based on a pressure loss when air passes through the detection passage and a pressure loss when an air-fuel mixture passes through the detection passage. When the computed fuel vapor concentration reaches a specified value, an internal combustion engine is started and the fuel vapor treatment apparatus starts to supply the fuel vapor adsorbed by the canister to the internal combustion engine.03-12-2009
20090070000CONTROL APPARATUS - When a variable valve lift control apparatus is in a steady condition, a fluctuation control is performed. In the fluctuation control, a target lift amount is increased by a fluctuation width during an up-time and then the target lift amount is decreased by the fluctuation width during a down-time which is longer than the up-time to be returned to an original value. A decreasing amount of the integral term is greater than the increasing amount thereof. Consequently, the integral term can be made smaller than the original value. Even when a control duty is a larger value due to a hysteresis, the fluctuation control gradually decreases the increment of the integral term and converges the control duty to the small value.03-12-2009
20090069999ONBOARD TRIP COMPUTER FOR EMISSIONS SUBJECT TO REDUCTION CREDITS - Methods and a system are provided for monitoring and processing the emissions footprint of one or more vehicles. An embodiment of an onboard vehicle method involves the collection of vehicle data from onboard data sources and the computation of an emissions value from the vehicle data. The emissions value indicates a total amount of a substance, such as carbon dioxide, released from the vehicle during a measurement period. The method also generates indicia of the emissions value with an onboard subsystem.03-12-2009
20120116650VEHICLE CONTROL APPARTUS - Provided is a vehicle control apparatus which can prevent drivability from being deteriorated. The vehicle control apparatus comprises an ECU adapted to determine whether or not a brake is “off” or the state of the hysteresis width of an accelerator opening degree exceeding a predetermined hysteresis width is continued for a predetermined period of time during the execution of an engine torque reduction control process. When the ECU determines that the brake is “off” or that the state of the hysteresis width of an accelerator opening degree exceeding a predetermined hysteresis width is continued for a predetermined period of time, the ECU performs an engine torque restoration process of the engine. Therefore, the vehicle control apparatus can allow the continued execution and non-execution of the reduction control to be switched therebetween in accordance with the driver's travel intention, thereby making it possible to prevent the drivability from being deteriorated.05-10-2012
20120116649ENGINE CONTROLLER - A system for controlling fuel to an engine to minimize emissions in an exhaust of the engine. There may be a controller connected to an actuator, for example a fuel control actuator, of the engine and to emissions sensors, such as an NOx and/or PM sensor, proximate to an exhaust output of the engine. The controller, for example a speed controller, may have an input connected to an output of a pedal or desired speed setting mechanism. A speed sensor at a power output of the engine may be connected to an input of the controller.05-10-2012
20120116648METHOD FOR CONTROLLING AN ENGINE - A method for operating an engine is disclosed. In one example, the method adjusts a torque limit of the engine in response to an amount of EGR in an engine cylinder. The approach may reduce the possibility of pre-ignition for boosted engines.05-10-2012
20120116647ENGINE CONTROL APPARATUS AND A METHOD FOR TRANSITIONING BETWEEN AN ALL CYLINDER OPERATION MODE AND A DEACTIVATED CYLINDER OPERATION MODE OF A MULTIPLE CYLINDER INTERNAL COMBUSTION ENGINE - Engine control apparatus includes, but is not limited to a determining device for determining whether or not the engine is operated under predetermined deceleration operating conditions or predetermined acceleration operating conditions and for individually deactivating two or more cylinders in a disenabling sequence which is different from the firing sequence if the engine is operated under predetermined deceleration operating conditions, and/or for individually reactivating two or more of the cylinders in a reactivating sequence which is different from the firing sequence if the engine is operated under predetermined acceleration conditions.05-10-2012
20120116646METHOD FOR COMPENSATING FOR VALVE LIFT DEVIATION BETWEEN ENGINES EQUIPPED WITH CVVL MECHANISM - A method is provided for compensating for a valve lift deviation between engines equipped with a CVVL mechanism, in which the valve lift deviation is compensated for by an MAF sensor for measuring a reference air flow rate and an MAP sensor for measuring the pressure of an intake manifold. The method includes determining whether learning conditions for learning a valve lift deviation are met; after the determination, comparing a value MAP_MES measured by the MAP sensor and a modeled pressure MAP_MDL of a surge tank; if the MAP_MES value and the MAP_MDL value are different, learning the valve lift, and after the learning, calculating the final valve lift by adding the learned value of the valve lift to the basic valve lift characteristics. Various types of deviations in valve lift can be solved by using a learned value of valve lift deviation, the engines can have the same characteristics because a deviation in intake air flow rate is minimized by learning the valve lift of the engines, and the quality of the engine of the CVVL mechanism can be improved.05-10-2012
20120116645Filter controller system - In order to calculate an estimation of the amount of deposited particulates in a first filter (05-10-2012
20130166171System and Method for Controlling an Engine Speed Limit of a Work Vehicle During a Transmission Ratio Change - A method for controlling the speed limit of an engine of a work vehicle during a transmission ratio change is disclosed. The method may generally include receiving with a controller signals associated with an input speed and an output speed of a transmission of the work vehicle, determining a percent ratio change between a first gear ratio and a second gear ratio of the transmission as a function of the input and output speeds as the transmission is shifted from the first gear ratio to the second gear ratio, determining a target engine speed limit for the engine based on the percent ratio change and adjusting an actual engine speed limit of the engine based on the target engine speed limit as the transmission is shifted from the first gear ratio to the second gear ratio.06-27-2013
20130166172POSITION DETECTING DEVICE - A first integrated circuit includes a first voltage output circuit for outputting a voltage, which proportionally increases in correspondence to an angular position of a throttle valve, a first protective resistor, a first output terminal connected to the first protective resistor, and a first abnormality detection circuit for outputting a first abnormality detection signal based on a voltage produced by the first protective resistor. A second integrated circuit is configured similarly to the first integrated circuit by a second voltage output circuit, a second protective resistor, a second output terminal, and a second abnormality detection circuit.06-27-2013
20100042306Method for synchronizing an oil control valve as a virtual check valve - A standard cam phasing OCV may be employed as a virtual check valve to choke the backflow of oil during negative cam torque conditions, including execution of a duty cycle command in an event-based manner. Normally, OCV duty cycle commands are made on a time basis, but for VCV the duty cycle output change must be synchronized with engine events. A method is disclosed for calculating and delivering the VCV duty cycle so that both time-based and event-based controls are maintained and work together. Phase alignment of response time of the OCV solenoid is based upon cam target wheel edges and is event-based. An initial phase rate vs. phase angle is monitored by the Engine Control Module (ECM). Adjustment of the phase angle is provided to achieve maximum cam position phase rate.02-18-2010
20090012695Method of operating glow plugs in diesel engines - The invention describes a method for operating glow plugs in a diesel engine that comprises a housing and a heater element projecting beyond that housing which interacts with an engine control unit and a glow plug control unit which, following a preheating phase, controls the electric power supplied to the glow plugs in dependence on an input received from the engine control unit. According to the invention it is provided that the engine control unit determines a value representative of a temperature that is to be reached at the heater element and the engine control unit transmits that value as target value to the glow plug control unit which converts that target value using an algorithm stored in the glow plug control unit and taking into account the characteristic values stored in the glow plug control unit.01-08-2009
20090012694THERMAL DETECTION AND PROTECTION OF VEHICLE HARDWARE - A control module comprises a thermal detection module and a protection module. The thermal detection module receives temperature data of a particulate matter filter and determines a temperature based on the temperature data. The protection module selectively reduces output of an engine when the temperature is greater than a temperature threshold. A method comprises receiving temperature data of a particulate matter filter and selectively reducing output of an engine when a temperature based on the temperature data is greater than a temperature threshold.01-08-2009
20090012692Vehicle and Control Device and Control Method for the Same - A motorcycle includes a carburetor, an electronically controlled opening/closing valve that opens and closes an intake passage, an ECU that controls the opening/closing valve, a main switch, an engine start switch and a rotation speed sensor. The ECU causes the opening/closing valve to perform a determined initial operation if a determined condition is satisfied when the main switch is turned on. If the determined condition is not satisfied when the main switch is turned on, the determined initial operation is performed when the rotation speed of the engine has reached a determined rotation speed range after the engine has been started. To ensure that an initial operation of an opening/closing valve that opens and closes an intake passage is performed with a high degree of reliability.01-08-2009
20100076662METHOD OF SELECTING ENGINE TORQUE CURVES - A method of operating an internal combustion engine including the steps of detecting, determining, and switching. The detecting step detects a load on the engine. The determining step determines if the load is below a predetermined value. The switching step switches the engine to operate at a selected one of a plurality of torque power curves, dependent upon the determining step.03-25-2010
20110184626METHOD AND DEVICE OF A CONTROL FOR A START- STOP CONTROL OPERATION OF AN INTERNAL COMBUSTION ENGINE - In a method of control for a start-stop operation of an internal combustion engine in a motor vehicle for briefly stopping and starting the internal combustion engine, which is started by an electric machine as starter, a detection device detects the position and the rotational speed of a crankshaft following the switch-off of the internal combustion engine. The curve of the rotational speed of the crankshaft following the switch-off of the internal combustion engine is actively and instantaneously calculated in advance.07-28-2011
20120277970CYLINDER PRESSURE PARAMETER CORRECTING SYSTEMS AND METHODS - A system includes a net mean effective pressure (NMEP) error module, a correction determination module, a mean effective pressure (MEP) correction module, and an actuator control module. The NMEP error module determines an NMEP error for a combustion cycle of a cylinder based on an expected NMEP for the combustion cycle, a measured NMEP for the combustion cycle, and a difference between an expected change in an engine speed for the combustion cycle and a measured change in the engine speed for the combustion cycle. The correction determination module determines an offset correction and a slope correction based on the NMEP error. The MEP correction module that generates a corrected NMEP for the combustion cycle based on the measured NMEP, the offset correction, and the slope correction. The actuator control module controls an engine operating parameter based on the corrected NMEP.11-01-2012
20090118967TORQUE BASED CRANK CONTROL - A control system and method of regulating operation of an engine includes a minimum torque module that determines a torque request based upon at least two of measured revolutions per minute (RPM) of an engine, a barometric pressure, and a coolant temperature of the engine. A first engine air module can determine a first desired engine air value based upon predetermined actuator values and a torque value based upon the torque request. The predetermined actuator values can include a predetermined RPM of the engine. A throttle area module can determine a desired throttle area based upon the first desired engine air value and the predetermined RPM.05-07-2009
20110264352METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE - To operate an internal combustion engine of a motor vehicle, during a plurality of driving cycles of the motor vehicle at least one operating variable is recorded during each run which is representative of a harmful substance content of an exhaust gas of the internal combustion engine. The recorded runs are analyzed with respect to recurring run patterns. In a current driving cycle of the motor vehicle, a target value of an ammonia charge level of an exhaust gas catalyst of the internal combustion engine is determined using the recurring run pattern, depending on which, at least one actuating signal for an actuator is determined, the position of which affects an actual ammonia charge level of the exhaust gas catalyst. In order to convert the determined target value of the ammonia charge level of the exhaust gas catalyst, the actuator is controlled as a function of the actuating signal.10-27-2011
20110282563Onboard Controller System - A system and method for safely slowing or controlling a vehicle's speed or engine speed by selectively replacing a genuine engine control signal with a spoofed engine control signal to slow or control the vehicle. The operator is allowed control of the vehicle (e.g. genuine engine control signal) if the speed is below a threshold speed and the operator is denied control of the vehicle (e.g. spoofed engine control signal) if the speed is above the threshold speed; similarly, a maximum idle engine speed and time to idle before shut-down is enforced by selectively replacing a genuine engine control signal with a spoofed engine control signal, responsive to a set threshold for each. The threshold is set over the air (OTA).11-17-2011
20110282561CONTROLLER OF INTERNAL COMBUSTION ENGINE11-17-2011
20110282562IGNITION TIMING CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - An ignition timing control system for an internal combustion engine, for controlling an ignition timing of the engine, is provided. A charging efficiency of the engine is calculated according to the intake air flow rate and the engine rotational speed which are detected, and a knock limit ignition timing is calculated according to the engine rotational speed and the charging efficiency. A knock correction value is calculated according to the knocking detection result by a knock sensor, and a learning parameter table, in which first and second learning parameters are set, is updated based on the engine rotational speed and the knock correction value when the knocking is detected. The learning parameter table is retrieved according to the engine rotational speed, to calculate the first and second learning parameters. Each-cylinder correction values are calculated corresponding respectively to a plurality of cylinders of the engine using the charging efficiency, the first learning parameter, and the second learning parameter and the ignition timing of the engine is controlled using the knock limit ignition timing and the each-cylinder correction value.11-17-2011
20130024090VEHICLE CONTROL APPARATUS - Disclosed is a vehicle control apparatus which can prevent drivability from being deteriorated. An ECU is operative to set a reduction speed threshold value to determine a driver's braking intention on the basis of the correlation in the depression amount of an accelerator pedal, the depression amount of a brake pedal, and a travel state of a vehicle caused by the depression amounts of the accelerator pedal and the brake pedal. The ECU is further operative to change the reduction speed threshold value on the basis of the detected drive state to compare the travel state calculated on the basis of the detected drive state with the changed reduction speed threshold value to determine the driver's braking intention, thereby making it possible to determine the driver's braking intention without detecting the operation amount of a driver and to accurately estimate the driver's braking intention. This makes it possible to change the reduction control between executed and not executed, and to improve the drivability.01-24-2013
20100268436CONTROL DEVICE FOR VEHICLE DRIVE UNIT - This invention is intended to ensure that a control device for a vehicle drive unit is capable of realizing desired torque by making the main-actuator and sub-actuator collaborate adequately while holding the interposition of the sub-actuator as low as possible. For this end, a future target of torque that is going to be output from the engine and a realization timing of the future target are taken as reservation information for reserving engine torque regulation. Next, the required period, which is required to realize the future target when a main-actuator (a throttle) is operated to regulate the torque, is computed from a current engine operating condition. Then, the operation of the main-actuator is started at the timing preceding the realization timing by the required period for realizing the future target. In parallel with that, a sub-actuator (an ignition system) is operated to cancel out a torque change induced by the operation of the main-actuator during the period from the start timing of the operation of the main-actuator to the realization timing.10-21-2010
20130090833ENGINE SYNCHRONIZATION METHOD - A method for synchronizing an internal combustion engine having at least one cylinder including a piston moving between a top and a bottom dead center, the movement driving a crank shaft and a cam shaft, the method including: 04-11-2013
20090118966METHOD OF TORQUE INTEGRAL CONTROL LEARNING AND INITIALIZATION - A torque control system comprises a torque correction factor module, a RPM-torque transition module, and a selection module. The torque correction factor module determines a first torque correction factor and a second torque correction factor. The RPM-torque transition module stores the first torque correction factor. The selection module selectively outputs one of the first torque correction factor and the second torque correction factor based on a control mode of the torque control system.05-07-2009
20110125385CONTROL DEVICE OF A MOTOR VEHICLE AND METHOD FOR EXCHANGING CONTROL AND REGULATING SIGNALS - A control device for carrying out a method of exchanging control and regulating signals in a motor vehicle includes a central control unit which is an integrated semiconductor circuit and which is disposed on at least one circuit board. At least one driver unit is disposed as a further integrated semiconductor circuit in the control device for monitoring and controlling an application. The driver unit interacts with the central control unit. For this purpose, the central control unit includes a first optical transceiver, the driver unit includes a further optical transceiver and the transceivers are optically coupled for data exchange.05-26-2011
20080306671Transient Engine Performance Adaptation Method And System - The present invention makes it possible to cope with a plurality of standardized transient operation modes in a method for adapting the engine transient characteristic to a required performance targets and a system therefore. When there are a plurality of prescribed standardized transient operation modes, transient testing is conducted in a single transient operation mode that covers changing patterns of control values of control factors of the plurality of transient operation modes. Only data in a data distribution range to be focused on is captured to create a transient engine model.12-11-2008
20090118970SYSTEM AND METHOD FOR OPTIMIZING VEHICLE PERFORMANCE IN PRESENCE OF CHANGING OPTIMIZATION PARAMETERS - A method for controlling operations of a power system having at least one internal combustion power unit includes: (a) identifying a plurality of discrete potential dynamic events; (b) for each potential dynamic event, computing an optimization profile which describes power settings for the power system to follow in order to optimize at least one operating parameter of the at least one power unit; (c) selecting one of the optimization profiles based on the potential dynamic event with the highest current probability; and (d) operating the system in accordance with the selected optimization profile.05-07-2009
20110301824ELECTRONIC THROTTLE CONTROL - An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature.12-08-2011
20110301823ON-BOARD VAPOR RECOVERY SYSTEM AND APPARATUS - A vapor recovery system for an internal combustion engine is provided, the system having a fuel tank containing fuel and vapor that is in select fluid communication with an intake of the internal combustion engine, a compressor, a condensate tank, a condensate composition sensor, and an engine control unit. The engine control unit can be configured to select a desired operating mode for the internal combustion engine and to control the supply of condensate to the intake of the internal combustion engine based on the selected desired operating mode.12-08-2011
20110301825ELECTRONIC THROTTLE CONTROL - An electronic throttle control (ETC) system is disclosed for use on a recreational or a utility vehicle. The ETC system includes a drive mode selection device for selecting between a plurality of drive modes. The ETC system provides an adjustable engine idle speed and an engine power limiting feature.12-08-2011
20120109494Method for Determining a Pressure at the Output of an Exhaust Gas System - In a method for determining a pressure at the output of an exhaust gas system of an internal combustion engine system of a vehicle, a mass flow through the internal combustion engine system and an ambient pressure at a fresh air supply of the internal combustion engine system are detected. The pressure at the output of the exhaust gas system is determined as a function of the mass flow, the ambient pressure and throttling of the mass flow through the internal combustion engine system.05-03-2012
20120109491METHOD FOR CONTROLLING THE SPEED OF AN INTERNAL COMBUSTION ENGINE SUPERCHARGED BY MEANS OF A TURBOCHARGER - A method controls a supercharged internal-combustion engine and comprises steps of: establishing predetermined lower-limit and higher-limit speeds (PLLS, PHLS) of a turbocharger; calculating a reduced lower-limit speed (RLLS) according to the PLLS and an absolute temperature upstream of a compressor; calculating a reduced higher-limit speed (RHLS), according to the PHLS and temperature, higher than the RLLS; determining an “over-speed” interval (OSI) between the RRLS and RHLS; calculating a current reduced-limit speed (CRLS); controlling the turbocharger to bring the CRLS back to no greater than the RLLS every time the CRLS is detected and within the OSI; establishing in a preliminary adjustment and set-up phase a threshold value; and controlling the turbocharger to bring the CRLS back to no greater than the RLLS after a time interval, which is equal to the threshold value, has elapsed from a moment in which the CRLS is detected and within the OSI.05-03-2012
20110288743SYSTEM, APPARATUS AND METHOD FOR VEHICLE IDLING REDUCTION - The present invention is a system, apparatus and method for an overall power management system for powering one or more power consuming devices used in vehicles and assisting with the management of auxiliary energy storage, while ensuring that the starter battery remains charged for engine starting. The present invention may be an integrated system, and related apparatus, for managing a plurality on-board power consuming devices and power sources. The present invention may be utilized to reduce the need for engine idling to maintain power to one or more power consuming devices. The present invention may include: a monitoring device to monitor the power consumption of one or more power consuming devices and/or the charge of one or more auxiliary energy storage devices and an a starter battery; and a control device to ensure that the power consuming devices are powered while a vehicle is in a stationary position.11-24-2011
20110288744MULTI-FUEL CONTROL SYSTEM AND METHOD - A system includes a controller operable to control an engine in an operating mode. The controller operation is based at least in part on a first parameter set and on a second parameter set. The first parameter set is associated with an engine fuel supply and includes information regarding characteristics of a first fuel and a second fuel. The first fuel and second fuel are not the same type of fuel. The second parameter set is associated with one or more engine operation threshold values.11-24-2011
20110288742METHOD AND APPARATUS FOR CONTROLLING OPERATION OF AN INTERNAL COMBUSTION ENGINE OPERATING IN HCCI COMBUSTION MODE - An internal combustion engine is configured to operate in a homogeneous-charge compression-ignition combustion mode. Operating the internal combustion engine includes determining an integrated thermal state parameter from an aggregation of engine environment factors. A feed-forward engine control scheme is executed to determine states for engine control parameters. The states for the engine control parameters correspond to a preferred combustion phasing responsive to an operator torque request and the integrated thermal state parameter. Operation of the internal combustion engine is controlled to achieve the preferred combustion phasing using the states for the engine control parameters.11-24-2011
20110288741Vehicle Pneumatic Booster System Operating Method and Apparatus - An apparatus and method for improving vehicle performance by application of pneumatic boost to vehicle engines, including diesel engines having at least one turbocharger supplying air to the engine, in a manner which increases engine torque output while minimizing the potential for exceed various operating limits to the maximum practicable extent. The vehicle's pneumatic booster system controller implements strategies for shaping the rate of the air injection during a boost event, tailoring the air injection to obtain maximum engine torque output while respecting the operating limits, by controlling the timing, duration, quantity and/or injection pattern during a boost event to achieve a refined distribution of compressed air injection over the course of the boost event to provide desired engine torque output and fuel efficiency while minimizing the potential for exceeding a wide variety of operation limits, regulatory, engineering and passenger comfort limits.11-24-2011
20090132145Method for the estimation of combustion parameters - Method for combustion engine control comprising an engine, at least one sensor and at least one engine control unit (05-21-2009
20120191320METHOD FOR MONITORING THE ENABLING OF A SYSTEM - A method for monitoring the enabling of a system which is assigned to an internal combustion engine, in which the readiness for operation of the system is dependent on an operating temperature, is characterized in that a fault in the enabling of the system is inferred (07-26-2012
20120065865Method and Device for Controlling an Internal Combustion Engine - To prevent particle emissions, the start of injection of an internal combustion engine is controlled as a function of a detected dynamics of an operating parameter of the internal combustion engine. The dynamics is detected by comparing the temporal change of the operating parameter to a threshold value. The control may be carried out such that, in particular, a value of the start of injection, determined with the aid of a regulation, is frozen for a specific holding period following the detection of the dynamics.03-15-2012
20110295486Automated Anti-Idle Warning And Shutoff System And Method - Systems and methods for assessing engine idle condition, comparing current idle conditions to allowable conditions for specific roadway locations, warning drivers and others as to status of current engine idle conditions, and automatically shutting down the engine when idle thresholds are exceeded.12-01-2011
20110295485FAULT ANALYSIS METHOD AND FAULT ANALYSIS DEVICE FOR AN INTERNAL COMBUSTION ENGINE - in a fault analysis method for an internal combustion engine having a plurality of cylinders, an angular speed of the internal combustion engine is determined, and one parameter of the combustion process of one of the plurality of cylinders (12-01-2011
20110295484WAVEGUIDE AND ASSOCIATED AUTOMOTIVE-VEHICLE-BORNE SPECTROMETER - A device for measuring a spectrum of a light beam in a wavelength range chosen beforehand, device called a spectrometer, the spectrum being generated by a fluid to be analyzed, the spectrometer including: 12-01-2011
20110295483CYLINDER AIR MASS PREDICTION SYSTEMS FOR STOP-START AND HYBRID ELECTRIC VEHICLES - An engine system includes a first module that determines a cylinder of an engine to be in one of M prediction types and generates a distance from intake signal indicating a number of prediction steps the cylinder is away from an intake stroke. M is an integer greater than or equal to 3. A second module determines a cycle type of the cylinder. The cycle type indicates a number of combustion cycles the cylinder has experienced from a last restart of the engine. A cylinder air charge module estimates an air mass within the cylinder based on the distance from intake signal and the cycle type.12-01-2011
20110295482METHOD AND SYSTEM FOR FUEL VAPOR CONTROL - A method and system for fuel vapor control in a hybrid vehicle (HEV). The HEV fuel vapor recovery system includes a fuel tank isolation valve, which is normally closed to isolate storage of refueling from storage of diurnal vapors. The method for fuel vapor control includes selectively actuating the fuel tank isolation valve during interrelated routines for refueling, fuel vapor purging, and emission system leak detection diagnostics to improve regulation of pressure and vacuum the HEV fuel vapor recovery system.12-01-2011
20090299600APPARATUS, SYSTEM, AND METHOD FOR CALIBRATING AN INTERNAL COMBUSTION ENGINE - According to one representative embodiment, an apparatus for calibrating an internal combustion engine having a predefined horsepower rating and categorized within an engine emissions family includes a calibration module, conditions module, and an output module. The calibration module includes a plurality of calibration tables that includes a top-rated torque curve and bottom-rated torque curve for each of a plurality of predetermined engine operating modes of the engine emissions family. The top-rated torque curve corresponds to a top horsepower rating of the engine emissions family and the bottom-rated torque curve corresponds to a bottom horsepower rating of the engine emissions family. The conditions module is configured to determine operating conditions of the internal combustion engine. The output module is configured to command at least one component of the engine to achieve a desired engine output exhaust gas emissions value based at least partially on the operating conditions of the internal combustion engine and a comparison between the predefined top horsepower rating and bottom horsepower rating of the engine emissions family.12-03-2009
20090259384SYSTEMS AND METHODS FOR PREDICTING ENGINE DELTA FRICTION TORQUE USING BOTH COOLANT AND OIL TEMPERATURE - An engine control system comprises a coolant temperature weighting module that generates a weighting signal based on coolant temperature. A composite temperature generating module generates a composite temperature based on the coolant temperature, an oil temperature and the weighting signal. A delta friction torque module calculates delta friction torque of an engine based on the composite temperature. An engine operating parameter module that adjusts an engine operating parameter based on the delta friction torque.10-15-2009
20100280736Method for Operating a Hybrid Vehicle and Control Unit for Implementing the Method - The invention relates to a method and a control unit for operating a hybrid vehicle in which at least two power units, at least one of which is an internal combustion engine, provide torque for a hybrid vehicle drive. It is proposed that a required total reserve torque is determined, and limits of presently available reserve torques of each individual power unit are determined.11-04-2010
20130218438METHOD AND SYSTEM FOR ENGINE DILUTION CONTROL - Methods and systems are provided for enabling engine dilution control. One or more engine diluents are combined to provide a desired engine dilution, the various diluents selected based on their respective combustion stability limits. A ratio of the various diluents used is further adjusted based on engine operating limitations.08-22-2013
20100004843FUEL CONSERVATION SYSTEMS AND METHODS - Methods and systems are described for conserving fuel used by an engine. In some embodiments a control module processes a user-provided input, as a first function, into a second function. The second function can be used to direct the engine with a directive output power. The directive output power may have regions equal to, greater than, and/or less than what the power output would be if the engine were controlled using the user-provided input.01-07-2010
20100036580METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A method and a device are provided for operating an internal combustion engine which allow for an improved diagnosis of the valve mechanism of cylinders of the internal combustion engine. For this purpose, a variable characteristic of a suction performance of a cylinder of the internal combustion engine is ascertained. The variable characteristic of the suction performance is ascertained as a function of the mass flow flowing into an intake manifold of the internal combustion engine and of a change of the intake manifold pressure during an intake phase of the cylinder.02-11-2010
20100036581Internal Combustion Engine Control Device - Disclosed is an internal combustion engine control device capable of accurately achieving a target torque. At time t02-11-2010
20100114454TURBOCHARGED INTERNAL COMBUSTION ENGINE - A control system for controlling the supply of oil to a turbocharger fitted to an internal combustion comprises an oil supply valve (05-06-2010
20090312932FUEL SYSTEM DIAGNOSTICS BY ANALYZING ENGINE CRANKSHAFT SPEED SIGNAL - Combustion within an internal combustion engine is diagnosed and includes monitoring crankshaft angular velocity and generating a combustion phasing value for a combustion chamber based on the crankshaft angular velocity. The combustion phasing value is compared to an expected combustion phasing value based on a predetermined start of injection crank angle and combustion phasing differences greater than an allowable combustion phasing difference are identified based on the comparison.12-17-2009
20100268438EXHAUST PURIFICATION DEVICE FOR HYBRID ELECTRIC VEHICLE - An ammonia selective reduction-type NOx catalyst (10-21-2010
20100268437METHOD FOR DETECTING A PERIODICALLY PULSING OPERATING PARAMETER - In a method for detecting a periodically pulsing operating parameter of an internal combustion engine (10-21-2010
20100268435DRIVER SELECTABLE AFM/NVH TOLERANCE - An engine control system includes a coefficient calculation module that selects one of N coefficients based on an AFM selection by a corresponding one of N users. A switching torque calculation module calculates an adjusted active fuel management (AFM) switching threshold based on the one of the N coefficients, a maximum torque of an engine, and a default AFM switching threshold.10-21-2010
20090150042VEHICLE SPEED DEPENDANT CALIBRATION TRIM FOR IMPROVED FUEL ECONOMY - A control system and method for improving vehicle fuel economy is provided. A base timing module generates a base timing signal. A trim module calculates a vehicle speed compensation factor and generates a timing trim signal based on the vehicle speed compensation factor. A vehicle speed trim module adjusts a calibration parameter (such as engine timing for example) based on the base timing signal and the timing trim signal. According to some implementations, the trim module includes a base trim module and a vehicle speed compensation module. The base trim module generates a base trim signal. The vehicle speed compensation module generates the vehicle speed compensation factor. The base trim signal can be based on a speed of the engine. The base trim signal can further be based on a quantity of fuel delivered to the engine.06-11-2009
20090150041REFUELLING SYSTEM AND METHOD - A refueling system for a vehicle having a combustion engine. The refueling system includes: a fuel tank; a canister configured to adsorb fuel vapor generated inside the fuel tank; a canister drain cut valve coupled to the canister and configured to discharge air; an ignition sensor configured to detect whether the ignition of the combustion engine is switched on or off; and a refueling controller configured to open the canister drain cut valve when the ignition sensor detects that the ignition of the combustion engine is switched off. A method for refueling a motor vehicle can use the refueling system.06-11-2009
20120035830CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine according to the present embodiment, includes: cooling units 02-09-2012
20120035828DRIVE CONTROL DEVICE FOR A VEHICLE - A drive control device for a vehicle is preferably used for controlling an internal combustion engine and/or a transmission, for example. A total fuel consumption amount calculating unit calculates total fuel consumption amount by integrating fuel consumption when the vehicle travels a unit distance at a predetermined vehicle speed and a predetermined acceleration, with respect to a time axis in accordance with a target distance. A traveling pattern calculating unit calculates a traveling pattern indicating a relationship between a vehicle speed and an acceleration when the vehicle travels the target distance, based on the total fuel consumption amount. By performing the control based on the calculated traveling pattern, it is possible to optimize the total fuel consumption amount. Therefore, it becomes possible to improve the actual fuel consumption.02-09-2012
20090093939Valve Control Synchronization and Error Detection in an Electronic Valve Actuation Engine System - A system for controlling a multiple cylinder internal combustion engine with electromagnetic valve actuation, comprising of at least one cylinder with an engine cylinder valve, a second controller operably coupled to the engine cylinder valve, said second controller configured to adjust at least one of the valve opening and closing timing of the engine cylinder valve, and a first controller connected with the second controller over a first link and a second link, wherein the first controller is configured to send an engine position indication signal to the second controller over the first link and receive a status signal from the second controller over the second link, and wherein the first controller outputs a synchronization degradation signal responsive to a synchronization error between the engine position indication signal and the status signal.04-09-2009
20110125384AIR PRESSURE CONTROL SYSTEMS AND METHODS FOR TURBOCHARGER SYSTEMS - A system for an engine with a turbocharger system includes a rate determination module, a limiting rate selection module, a throttle inlet absolute pressure (TIAP) calculation module, and a throttle control module. The rate determination module generates a pressure rate value based on a pressure difference between a current TIAP signal from a TIAP sensor and a previous TIAP signal. The limiting rate selection module selects a limiting rate based on the pressure rate value. The TIAP calculation module generates a calculated TIAP signal based on the limiting rate and the current TIAP signal. The throttle control module generates a throttle control signal based on the calculated TIAP signal and actuates an inlet throttle valve of the engine based on the throttle control signal.05-26-2011
20100088005VEHICLE CONTROL APPARATUS AND CONTROL METHOD - With the use of a model expression (FIG. 04-08-2010
20120239274INTERNAL COMBUSTION ENGINE CONTROL DEVICE - An internal combustion engine control device which switches between a first operation of compression-igniting a premixed gas in a combustion chamber and a second operation of forcibly igniting the premixed gas through a spark plug in the combustion chamber. When switching between the first operation and the second operation, the control device inserts a transitional operation between the first operation and the second operation for the purpose of reducing torque variations in an internal combustion engine. In the transitional operation, the spark plug does not perform electric discharging, instead, the spark plug emits an electromagnetic wave to increase the temperature of the premixed gas, and subsequently, the premixed gas is compression-ignited.09-20-2012
20120239271SENSOR CONTROL APPARATUS AND SENSOR CONTROL METHOD - A sensor control apparatus including a gas sensor having a sensor element, a housing and a base part formed of a resin. The apparatus includes a heating part and a control part. When the control part determines that a predetermined automatic stop condition has been satisfied, the control part switches from a control for maintaining the temperature of the sensor element at an activating temperature to a control in a stop state for reducing at least one of voltage and current supplied to the heating part so as to set a temperature of the base part to a value equal to or lower than a shape holding temperature of the resin. Also disclosed is a sensor control method for holding a temperature of a sensor element to an activating temperature.09-20-2012
20120239273ENGINE CONTROL SYSTEM FOR ACTUATOR CONTROL - An engine control system which may be used in automotive vehicles includes first correlation data representing correlations between performance parameters associated with different types of performances of a combustion engine and uncorrelated common factors existing among the performance parameters and second correlation data representing correlations between the common factors and combustion parameters associated with combustion states of fuel in the combustion engine. The engine control system determines target values of the common factors using the first correlation data and also determines target values of the combustion parameters using the second correlation data. The engine control system determines command values as a function of the target values of the combustion parameter and outputs them to actuators which control combustion states of fuel in the engine for achieving desired levels of the performances of the combustion engine. This enables the performance parameters to be controlled independently of each other without any interference.09-20-2012
20120239272Method for testing the fuel quantity balance in a common rail system, corresponding engine control system, and corresponding diagnosti device - In a common rail system having two electrically controlled actuating elements, e.g., a metering unit at the input side of a high-pressure pump and a pressure regulating valve on the common rail, different fuel delivery quantities are able to be set in the common rail system while the vehicle is stationary, independent of the current engine load, by controlling operating points via one of the actuating elements and subsequently regulating the other actuating element. Control currents of the actuating elements correspond to the operating points. These control currents, or differences of control currents, are compared to target values to enable an evaluation of the common rail system.09-20-2012
20120239270ENGINE CONTROL SYSTEM WITH ALGORITHM FOR ACTUATOR CONTROL - An engine control apparatus works to determine a target value of each of performance parameters associated with different types of performances of a combustion engine based on operating conditions of the combustion engine, determine target values of combustion parameters associated with combustion states of fuel in the combustion engine based on the target values of the performance parameters using first correlation data representing correlations between the performance parameters and the combustion parameters, and calculate command values of controlled parameters for actuators as a function of the target values of the combustion parameters. When actual values of the performance parameters are in coincidence with the target values, the system changes or corrects the target value of a selected one of the performance parameters so as to enhance the level of a corresponding one of the performances of the engine based on the other performance parameters.09-20-2012
20120143467ISG RESTART CONTROL DEVICE AND METHOD OF ISG VEHICLE - An ISG restart control device of an ISG vehicle may include a seatbelt state detecting unit that detects fastening/unfastening state of a seatbelt, a door state detecting unit that detects opening/closing state of a door, a brake pedal state detecting unit that detects an operation state of a brake pedal, and a control unit that forcibly idle-stops or restarts an engine by receiving a driving state information of the vehicle and restricts restarting of the engine in accordance with the fastening/unfastening of the seatbelt, the opening/closing of the door, and the operation state of the brake pedal which may be detected by the seatbelt state detecting unit, the door state detecting unit, and the brake pedal state detecting unit, in the restarting.06-07-2012
20120143466METHOD AND DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method is described for monitoring a camshaft adjustment of an internal combustion engine in a first operating mode, in which, depending on a time characteristic of an actual value of the angular position of the camshaft adjustment and a time characteristic of a first setpoint value of the angular position of the camshaft adjustment, a decision is made that there are errors in the camshaft adjustment, the decision also depending on a time characteristic of a second setpoint value of the angular position of the camshaft adjustment, the first setpoint value and the second setpoint value each being ascertained at the same operating point of the internal combustion engine, and the first setpoint value for operating the internal combustion engine being ascertained in the first operating mode and the second setpoint value for operating the internal combustion engine being ascertained in a second operating mode.06-07-2012
20120143464APPARATUS AND METHOD FOR CONTROLLING MOTOR - An apparatus for controlling a motor determines whether or not to control the motor in order to control the variable valve lift device by using a measurement value of a valve lift and a target value of the valve lift, compares a predetermined base voltage range with a battery voltage in order to control the motor, determines a voltage factor corresponding to the battery voltage when the battery voltage is included in the base voltage range; and determines a driving signal value for the motor by applying the voltage factor to a predetermined base signal value.06-07-2012
20120143461Systems and Methods for Estimating a Temperature Calibration - Systems and methods for estimating a temperature calibration are described. One embodiment of a method includes determining, by a computing device, a current speed of the vehicle and determining a dynamic smoothing number, the dynamic smoothing number being dependent on the current speed, the dynamic smoothing number being utilized to determine an estimated temperature of an air injection system. Some embodiments include calculating the estimated temperature of the air injection system from the dynamic smoothing number, determining whether the estimated temperature is greater than a predetermined temperature of the air injection system, and in response to determining that the estimated temperature is greater than the predetermined temperature of the air injection system, sending a signal for on-board diagnostics to resume at a next start.06-07-2012
20120271529INTERNAL COMBUSTION ENGINE CONTROL APPARATUS - An internal combustion engine control apparatus includes a turbocharger, an intake air quantity detecting section, an intake air pressure detecting section, a turbine rotational speed limit determining section and a turbine control section. The turbine rotational speed limit determining section determines a turbine rotational speed limit pressure ratio between the upstream-side intake air pressure and a downstream-side intake air pressure in the air intake passage at a downstream side of the compressor for a turbine rotational speed limit that corresponds to the intake air quantity detected by the intake air quantity detecting section. The turbine rotational speed limit determining section further calculates a turbine over rotation suppressing boost pressure of the turbine compressor using the upstream-side intake air pressure and the turbine rotational speed limit pressure ratio. The turbine control section controls the turbocharger based on the turbine over rotation suppressing boost pressure.10-25-2012
20090287390CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - A control system for an internal combustion engine includes: a fuel amount detector; a smoothing calculation unit that calculates a smooth output value, which is obtained by smoothing an output value of the fuel amount detector in a temporal direction; a continuous low speed condition detection unit that detects a continuous low speed condition in which the vehicle speed remains in the low speed region continuously beyond a predetermined time period; a calculation processing unit that successively calculates a maximum value and a minimum value of the smooth output value; a reference setting unit that updates and stores a reference value in response to the engine stoppage and in accordance with the current minimum value calculated by the calculation processing unit; and a fuel supply determination unit that detects a fuel supply to the fuel tank during the continuous low speed condition.11-19-2009
20090287389Method For Increasing The Resolution Of Output Signals From At Least One Measuring Sensor On An Internal Combustion Engine And Corresponding Controller - The resolution of output signals from at least one measuring sensor on an internal combustion engine can be increased by: the working level range of the sensor is divided into at least two range sections, each section is provided with the same given output level range limited with relation to the working level range, for the output signal from the sensor and the switching from one to the other section is carried out independently by the sensor, when a range boundary between two adjacent sections is reached, exceeded or fallen below, the operating point of the internal combustion engine is determined by an engine management based on at least one parameter, the time curve for the raw sensor signal is predicted from at least one set of performance characteristics for the current operating point and the engine management determines which section is current from the predicted raw sensor signal time curve.11-19-2009
20090088943Method for Regulating the Lambda Value of an Internal Combustion Engine - The invention relates to a method for regulating the lambda value of an internal combustion engine with a catalytic converter for subsequently treating the exhaust gases of the internal combustion engine, with a binary lambda probe, which is mounted upstream from the catalytic converter and which senses the composition of the exhaust gases. According to the invention, the lambda set value is superimposed with a lean/rich amplitude. This lean/rich amplitude has an integral component and a discontinuous component leading back to the lambda set value. When a change that differs from the change in the exhaust gas composition caused by the lean/rich amplitude is detected, the coefficient of the integral component is modified and/or a discontinuous component is added to the integral component or subtracted therefrom.04-02-2009
20100280738METHOD AND SYSTEM FOR CONTROLLING TORQUE DURING A VEHICLE LAUNCH CONDITION - A method and control module for controlling an engine includes a requested torque module that generates a requested torque and a maximum toque capacity module that determines a maximum torque capacity corresponding to a maximum torque capacity of the engine. A launch trim torque threshold determination module determines a launch trim torque threshold. A comparison module that compares the requested torque and the launch trim torque threshold. An output module that applies a fast rate limit to the requested torque up to the launch trim threshold when the requested torque is less than the launch trim torque threshold and a shower rate limited torque request when the requested torque is greater than the launch trim torque threshold.11-04-2010
20100280737Engine Control Device and Method for a Hybrid Vehicle - The invention comprises an engine control device and method for use in a vehicle incorporating an internal combustion engine and a motor that are capable of transmitting motive power to an axle. The device has an engine utilization reduction portion configured to reduce the power supplied by the engine when a requested engine power is above a predefined engine power minimum value when the device is in a hybrid mode thereby increasing power provided by the electric motor. The device also may have a computer readable engine off portion configured to prevent the engine from starting or consuming fuel thereby causing the vehicle to be directionally powered by the electric motor only. The device may also have a warm up portion configured to operate the engine in warmup mode and limit the power supplied by the engine when the engine temperature is below a predefined engine operating temperature thereby reducing emissions during engine warmup.11-04-2010
20100280740CONTROL DEVICE AND CONTROL METHOD FOR VEHICLE - An ECU executes a program including: detecting an amount of an aqueous urea solution; setting a predetermined operation line if the solution amount is equal to or more than 15%; setting a predetermined operation line if the solution amount is equal to or more than 10%; setting a predetermined operation line if the solution amount is less than 10%; controlling an engine based on a set operation line; controlling a motor generator; calculating a degree of deterioration of fuel efficiency; and performing display control.11-04-2010
20080208430Method And Device As Well As Computer Program For Controlling An Internal Combustion Engine - A method and a device as well as a computer program for controlling an internal combustion engine are provided, a torque model being used within the framework of calculating instantaneous variables and/or actuating variables. A correction of a basic value determined under standard conditions takes place in the process. In addition, to further improve the accuracy of the model, the efficiency for the conversion of the chemical into mechanical energy by which the optimum torque value is corrected, is determined at least as a function of a variable characterizing the combustion center point and a variable characterizing the opening instant of a discharge-side gas-exchange valve.08-28-2008
20110172894METHOD OF OPERATION OF AN ELECTRIC TURBOCOMPOUNDING SYSTEM - A method of operation of an electric turbocompounding system for a reciprocating engine comprises the steps of retrieving from the engine ECU data pertaining to engine condition, retrieving from a set of turbine efficiency data an optimum turbogenerator speed at the engine condition, setting a desired turbogenerator set speed based on the engine condition and on a speed at which turbine efficiency is deemed to be optimum, measuring an output voltage of the turbogenerator, comparing the measured voltage with a pre-determined voltage range and where the measured voltage falls outside of the pre-determined voltage range, adjusting the turbogenerator set speed to reduce or increase the output voltage to within the pre-determined voltage range.07-14-2011
20100100300Powerplant and related control system and method - A hydrogen fueled powerplant including an internal combustion engine that drives a motor-generator, and has a two-stage turbocharger, for an aircraft. A control system controls the operation of the motor-generator to maintain the engine at a speed selected based on controlling the engine equivalence ratio. The control system controls an afterburner, an intercooler and an aftercooler to maximize powerplant efficiency. The afterburner also adds power to the turbochargers during high-altitude restarts. The turbochargers also include motor-generators that extract excess power from the exhaust.04-22-2010
20100100301METHOD AND APPARATUS FOR SUPPORTING STOP-AND-GO ENGINE FUNCTIONALITY - A vehicle includes a direct start engine, an automatic transmission having a threshold fluid pressure sufficient for enabling operation of the transmission when the engine is off, a controller, and a fuel delivery system. The controller determines the presence of predetermined engine states, and optimizes a stop-and-go functionality of the engine. The fuel delivery system includes a motor and an integrated pump assembly having a secondary high-pressure (HP) fuel pump which is selectively connectable to a rotatable shaft of the motor, and a secondary low-pressure (LP) fluid pump which is continuously connected to the shaft. The motor continuously energizes the secondary LP fluid pump via the rotatable shaft to thereby maintain the threshold fluid pressure during a first or second engine state, and selectively energizes the secondary HP fuel pump via the rotatable shaft to maintain the threshold fuel pressure during the second engine state.04-22-2010
20100100299System and Methods for Improving Efficiency in Internal Combustion Engines - The present invention relates to system and methods for improving efficiency of an internal combustion engine. This system may include a fuel processor. The system receives instructions for a desired engine output and operating conditions. The system may then determine an operational state corresponding to the desired output. The operational state includes designating the cylinders into one of three categories: working, deactivated and passive. The number of working cylinders is calculated by dividing the desired output by the power provided by one cylinder operating at substantially optimal efficiency. Then the system substantially disables fuel flow to and air flow to the deactivated cylinders, substantially disables fuel flow to and firing of the passive cylinders, and substantially regulates fuel flow to, air flow to and firing of the working cylinders. Firing of the working cylinders is synchronized with engine speed to reduce unwanted engine vibrations. The number of working, passive and deactivated cylinders may be continually altered in response to changes in desired output or operating conditions.04-22-2010
20090276140Spark Ignition Type Internal Combustion Engine - An internal combustion engine provided with a variable compression ratio mechanism able to change a mechanical compression ratio and an actual compression action start timing changing mechanism able to change a start timing of an actual compression action. An amount of intake air in accordance with the required load is fed into a combustion chamber by controlling the closing timing of the intake valve, while a pressure, temperature or density in the combustion chamber at the end of a compression stroke is maintained substantially constant regardless of the engine load by controlling the mechanical compression ratio.11-05-2009
20090281706Engine Optimisation Method And Apparatus - An engine management apparatus for an internal combustion engine of a vehicle includes a microprocessor that is operable on adjustment mechanisms of the vehicle. The vehicle has a torque sensor for sensing torque generated by the engine and the adjustment mechanisms adjust parametric values related to the torque. Memory circuitry is accessible by the microprocessor. The memory circuitry stores data representing at least one set of parametric values and a range of torque values corresponding to respective parametric values in the set. A set of instructions are executable by the microprocessor so that the microprocessor cyclically retrieves a real time torque value from the torque sensor and updates the memory if the retrieved torque value is higher than a stored torque value corresponding to a current parametric value. The microprocessor adjusts the current parametric value if the retrieved torque value is lower than the stored torque value.11-12-2009
20090299601INTERNAL-COMBUSTION-ENGINE CONTROL APPARATUS - In an exhaust gas sensor control device that outputs a detection signal detected by the exhaust-gas sensor, while switching amplification factors or offset voltages, in the case where an abnormality occurs in an amplification circuit or in an offset circuit, the abnormality is rapidly detected, whereby deterioration in an exhaust gas can be prevented. In an internal-combustion-engine control apparatus provided with an exhaust gas sensor control device that outputs a detection signal detected by an exhaust-gas sensor 12-03-2009
20080281497Engine Controller - In an engine controller capable of carrying out spark ignition type combustion and compressed self-ignition type combustion, in order to suppress operation performance deterioration and exhaust performance deterioration at the time of switching a combustion mode from the compressed self-ignition type combustion to the spark ignition type combustion, intake pipe pressure downstream a throttle is quickly reduced by making the throttle opening degree smaller than a target throttle opening degree of the spark ignition type combustion immediately after switching for a certain period during the combustion mode is switched from the compressed self-ignition type combustion to the spark ignition type combustion. As a result, responsiveness of an intake amount at the time of switching the combustion mode from the compressed self-ignition type combustion to the spark ignition type combustion is enhanced, and combustion switching without exhaust deterioration and torque variation is realized.11-13-2008
20120035827Idle Stop Control Method and Control Device - There is provided an idle stop system that can more quickly restart with small noise in conducting idle stop. In preparation for a restart request during an engine inertial rotation, after a motor is rotated in a state where a starter motor is not coupled to the engine, a pinion is engaged with a ring gear during the motor is subjected to inertial rotation like the engine. In this situation, the rotational speed including future pulsation of the engine is estimated with the use of information on the crank angle, and a pinion pushing timing is controlled so that the pinion and the ring gear contact each other with a given rotational speed difference taking a delay time of a pinion pushing unit into consideration.02-09-2012
20120185148CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Disclosed is a control device that is used for an internal combustion engine and capable of making various requests concerning the performance of the internal combustion engine be reflected in a target control amount value while the requests need not be expressed in the form of a requested control amount value. The control device acquires various requests concerning the performance of the internal combustion engine and sets a request-specific constraint on a control amount value. More specifically, the control device expresses constraints to be set for control amount values as a set of constraint index values assigned to individual control amount values, and varies the distribution of the constraint index values assigned to the control amount values in accordance with the type of a request. Next, the control device integrates, for each control amount value, the constraint index values assigned to individual requests with respect to each control amount value. Then, in accordance with the distribution of the integrated constraint index value for a control amount, the control device determines a limitation of the control amount, which is defined by an upper-limit value and a lower-limit value. The control device determines a target control amount value within the determined limitation.07-19-2012
20080243354Prediction based engine control system and method - A prediction based engine control system is disclosed. The engine control system may have sensor configured to sense a current engine operation and generate a corresponding signal and a controller in communication with the sensor. The controller may be configured to receive the signal, compare the current engine operation to an allowable range of engine operation, predict a future engine operation based on the signal, and limit current engine operation based on the prediction, even when the current engine operation is within the allowable range of operation.10-02-2008
20080249696Method and device for operating a drive unit - A method and a device for operating a drive unit which enable better torque coordination for a speed controller. A load-reversal damping component is provided, which filters a first setpoint value for an output variable of the drive unit to damp a load reversal. A speed controller is provided, which specifies a second setpoint value for the output variable of the drive unit in order to adjust an actual value for an engine speed of the drive unit to a setpoint value for the engine speed. A first component of the second setpoint value for the output variable specified by the speed controller is taken into account in the formation of the first setpoint value. A remaining second component of the second setpoint value for the output variable specified by the speed controller, together with the filtered first setpoint value, is taken into account only when forming a resulting third setpoint value for the output variable, the first component of the second setpoint value for the output variable specified by the speed controller being formed as a function of at least one characteristic of the load-reversal damping component, in such a way that it is not or only negligibly affected by the filtering.10-09-2008
20110208403OUTPUT CONTROL UNIT OF A VEHICLE - According to the present invention, an output control unit of a vehicle having a front riding space and a rear riding space, includes: riding detection means for detecting the riding of the passenger in the rear riding space; wherein when the riding detection means detects the riding of the passenger, the output control unit regulates the output of the engine of the vehicle as compared with the output when the riding detection means does not detect the riding of the passenger.08-25-2011
20080294325Controller of internal combustion engine - A controller includes a first intermediate mode which, when the operation mode of an internal combustion engine is shifted from a compression ignition operation mode to a spark ignition operation mode, is interposed between both the operation modes, and a second intermediate mode which, when the operation mode of the internal combustion engine is shifted from the spark ignition operation mode to the compression ignition operation mode, is interposed between both the operation modes. An air supply amount and a fuel supply amount to a combustion chamber is controlled so that the air-fuel ratio of an air-fuel mixture becomes rich gradually in the first intermediate mode, and the air supply amount and the fuel supply amount to the combustion chamber is controlled so that the air-fuel ratio of the air-fuel mixture becomes lean gradually in the second intermediate mode. As a result, when the operation mode of the internal combustion engine is switched between the compression ignition operation mode and the spark ignition operation mode, it becomes possible to suppress fluctuations in the output torque of the internal combustion engine, etc. and smoothly perform the switching.11-27-2008
20100274462DIAGNOSTIC SYSTEMS AND METHODS FOR A PRESSURE SENSOR DURING DRIVING CONDITIONS - A diagnostic system includes a fuel pump module and a diagnostic control module. The fuel pump module activates a first pump when an engine is operating in a diagnostic mode. The first pump supplies fuel to fuel injectors of the engine via a fuel rail. The diagnostic control module receives a measured pressure signal from a pressure sensor that indicates a pressure of the fuel rail during the diagnostic mode. The fuel pump module sends at least one of a first and a second commanded fuel pressure signal to the first pump based on a predetermined relief pressure of a pressure relief valve. The diagnostic control module detects a fault of the pressure sensor based on an engine speed and a comparison between the measured pressure signal and at least one of the first commanded fuel pressure signal and a corrected relief pressure of the pressure relief valve.10-28-2010
20080281496Cam phaser compensation in a hybrid vehicle system - A method of regulating a torque output of an internal combustion engine in a hybrid electric vehicle includes determining whether a cam phaser system of the engine is in one of an inactive state and an active state and monitoring at least one engine operating parameter. An engine torque array is selected from a plurality of engine torque arrays based on the one of the inactive state and the active state. An available engine torque is determined based on the engine torque array and the at least one engine operating parameter and the engine is regulated based on the available engine torque.11-13-2008
20080228373Control device and control method of internal combustion engine - An ECU executes a program including steps of estimating an oil temperature based on a water temperature sensed by a water temperature sensor, setting NE(09-18-2008
20080288155CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE - Provided is a control device for an internal combustion engine, including a crank angle sensor, a cam angle sensor, a real phase angle detector for detecting a real phase angle of a cam shaft based on a detection signal of the sensors, a target phase angle setting unit including a temperature parameter and battery voltage, for setting a target phase angle of the cam shaft based on an operating state of the internal combustion engine, and a phase angle feedback control unit for conducting feedback control operation so that the real phase angle coincides with the target phase angle, and for calculating an operation quantity to a hydraulically controlled solenoid valve, in which the feedback control unit sets an integral term initial value when starting the feedback control operation according to the temperature parameter, corrects a control correction quantity by the battery voltage, and outputs the operation quantity to the solenoid valve.11-20-2008
20080294323Apparatus and Method for Calculating Work Load Engine - A device and method for calculating the work load of an engine more efficiently and accurately. The device for calculating the work load of an engine comprises a means for determining a desired frequency component to calculate the work load of the engine obtained through frequency decomposition of the volume variation rate of the engine. The device further comprises a first calculating means for calculating a first correlation coefficient between the volume variation rate and a reference signal composed of a frequency corresponding to the determined component, and a second calculating means for calculating a second correlation coefficient between the cylinder inner pressure of the engine and a reference signal composed of a frequency corresponding to the determined component. The work load of the engine is calculated using the first and second correlation coefficients.11-27-2008
20090265075CONTROL APPARATUS AND CONTROL METHOD FOR VEHICLE - A control apparatus for a vehicle is equipped with a detection portion that detects a required output of an internal combustion engine, an acquisition portion that acquires an ignition timing of the internal combustion engine, a setting portion that sets an operation curve of the internal combustion engine such that the operation curve approaches an optimal fuel consumption operation curve as the acquired ignition timing is retarded with respect to a set ignition timing, a decision portion that decides a target power of the internal combustion engine on the basis of the detected required output and the set operation curve, and a control portion for controlling the internal combustion engine on the basis of the decided target power.10-22-2009
20090265074Method and device for detecting a leak in an exhaust-gas section of a combustion engine - A method for checking an exhaust-gas section of a combustion engine for a leak, including the following: introducing secondary air into the exhaust-gas section of the combustion engine via a secondary-air valve, determining a measured value that indicates the magnitude of the relative pressure changes due to the expelling of exhaust gas from the combustion engine upstream from the secondary-air valve, and detecting the leak in the exhaust-gas section as a function of the measured value.10-22-2009
20120296549FUEL MANAGEMENT SYSTEM AND METHOD - The present invention provides a system and a method for fuel management. The invention provides an integrated system to generate reports comprising analysis relating to fuel consumption, fuel fraud, CO2 emission, driver behaviour, and journey breakdown.11-22-2012
20120296547SYSTEM AND METHOD FOR DETERMINING COOLANT FLOW IN AN ENGINE - A system includes a temperature determination module and a flow determination module. The temperature determination module determines an engine coolant temperature based on input received from an engine coolant temperature sensor and determines an engine material temperature based on input received from an engine material temperature sensor. The engine coolant temperature is a temperature of coolant in an engine, and the engine material temperature is a temperature of at least one of an engine block and a cylinder head. The flow determination module selectively determines coolant flow through the engine based on the engine coolant temperature and the engine material temperature.11-22-2012
20080243357DRIVING AMOUNT CONTROLLER - A driving amount controller for reducing a response delay or erroneous deviation in control of a driving amount of a controlled system. The driving amount controller includes an ECU that increases an add-in amount to a duty ratio DUT of a control signal according to an increase in the speed variation ΔDTHR of a target opening DTRH of the throttle valve 10-02-2008
20120296550ENGINE CONTROL WITH VALVE OPERATION MONITORING USING CAMSHAFT POSITION SENSING - A system or method for controlling a multiple cylinder internal combustion engine operable in a reduced displacement mode with at least one valve or cylinder selectively deactivated include monitoring valve operation by analyzing camshaft position to detect valve operation inconsistent with a current cylinder state (activated or deactivated) and controlling the engine in response to detecting the inconsistent operation. The camshaft position may be used to produce a surrogate signal indicative of intake/exhaust valve lift generated using camshaft sensor tooth deviation relative to an expected or reference tooth position for a corresponding crankshaft position and compared to a corresponding threshold. The surrogate signal indicative of valve lift may also be generated by pattern matching or correlation of one or more reference tooth position patterns to a measured or inferred tooth position pattern.11-22-2012
20080243353ENGINE POWER STORAGE DEVICE AND METHOD - A power storage device is provided for a motor vehicle. An engine control unit (ECU) is configured to receive measurements of one or more engine and/or vehicle conditions and to determine an amount of unused engine power based upon the measurements and upon a nominal power rating of the engine when the engine is operated below the nominal power rating. The value of the amount of unused engine power is stored in memory as stored power.10-02-2008
20110208406METHOD OF REDUCING ICING-RELATED ENGINE MISFIRES - A method of reducing icing-related engine misfires during operation of a vehicle is provided. The vehicle can include an engine and an engine control unit operable for at least partially controlling operation of the engine. The vehicle can further include a plurality of sensors in electrical communication with the engine control unit. The engine can include an air intake system and an exhaust system, wherein the air intake system can include a positive crankcase ventilation valve. The method includes predicting the presence of ice within the air intake system based upon an input to the engine control unit from at least one of the sensors.08-25-2011
20110208402LONGITUDINAL G ADJUSTED THROTTLE RESPONSE - A system and method for adjusting an engine throttle opening amount includes a slope-determining unit that determines an angle of inclination of a vehicle, a throttle request determining unit that determines a throttle request, and an engine control unit. The slope-determining unit may include a longitudinal g acceleration sensor. The engine control unit calculates a slope gain factor from the angle of inclination and compares the slope gain factor to a predetermined threshold. If the slope gain factor is greater than the predetermined threshold, the engine control unit generates a throttle command to increase the current throttle opening amount based on the throttle request and the slope gain factor. Alternatively, if the slope gain factor is less than or equal to the predetermined threshold, the engine control unit controls the throttle opening amount based on the throttle request and independently of the slope gain factor.08-25-2011
20100145592Method for Controlling Variable Valve Apparatus of Internal Combustion Engine, and System Thereof - A method for controlling a variable valve apparatus of an internal combustion engine and a system thereof is disclosed. A method for controlling a variable valve apparatus of an internal combustion engine may include: setting a target cam phase corresponding to a current operation state of an engine received from a vehicle controller via a controller area network (CAN) bus; determining whether a deviation of the current cam phase from the target cam phase is greater than a predetermined deviation; calculating a proportion-integral-derivation (PID) sliding surface based on the target cam phase; calculating a control current for controlling a cam phase to move on the sliding surface in a case when the deviation is greater than the predetermined deviation; and operating the variable valve device so that the current cam phase can follow the target cam phase by converting the calculated control current to a driving duty ratio.06-10-2010
20100145591DRIVE FOR AN INTERNAL COMBUSTION ENGINE COMPRISING AN OIL WET TOOTHED BELT AND A TENSIONING SHOE - A drive for an internal combustion engine having a predetermined take-up rate (TU) and comprising a drive pulley, a driven pulley, a shoe and an oil wet toothed belt cooperating in contact with a guiding surface of the shoe, presenting an optimised winding angle (α) of the guiding surface to decrease the power dissipated on the toothed belt.06-10-2010
20110270508METHOD OF AND APPARATUS FOR OPERATING A SUPERCHARGER - A method of and apparatus for operating a supercharger for an automotive engine is disclosed. The supercharger has: an input shaft for coupling to an engine crankshaft, and coupled to the rotor of a first electrical machine and a first component of an epicyclic gear train; and an output shaft connected to a compressor and a second component of the epicyclic gear train; wherein the third component of the epicyclic gear train is connected to the rotor of a second electrical machine. The first electrical machine is selectively operable to supply electrical energy to the second electrical machine. The method includes the steps of: (a) calculating a required speed of the second electrical machine that would give rise to a required pressure at an outlet of the compressor; and (b) setting the speed of the second electrical machine to the calculated required speed.11-03-2011
20110270507PRIMARY TORQUE ACTUATOR CONTROL SYSTEMS AND METHODS - An engine control system includes a coordinated torque control (CTC) module, a diagnostic module, and an actuator limiting module. The CTC module determines a first position for a throttle valve of a spark-ignition, internal combustion engine and controls opening of the throttle valve based on the first position. The diagnostic module selectively diagnoses an engine shutdown fault and disables the control of the opening of the throttle valve based on the first position when the engine shutdown fault is diagnosed. The actuator limiting module determines a second position for the throttle valve based on an accelerator pedal position, selects a lesser one of the first and second positions, and selectively limits the opening of the throttle valve to the lesser one of the first second positions when the engine shutdown fault is diagnosed.11-03-2011
20110270506DEVICE FOR CONTROLLING A MULTIPLE SPARK OPERATION OF AN INTERNAL COMBUSTION ENGINE, AND RELATED METHOD - The invention relates to a device for controlling a multiple spark operation of an internal combustion engine, wherein an ignition transformer can be switched off and back on again for delivering or interrupting an ignition spark energy based on at least one current threshold. The invention proposes that the at least one current threshold be programmable.11-03-2011
20090055073Vehicular engine control apparatus - An engine control apparatus for a vehicle provided with a drive system including an engine and a transmission portion which constitutes a part of a power transmitting path, the engine control including an engine control portion configured to change a timing of initiation or a method of a control of the engine according to contents of a requirement for implementing the control of the engine, when the control of the engine and a shifting control of said transmission portion are concurrently required to be implemented.02-26-2009
20090030586VALVETRAIN DRIVE STRETCH COMPENSATION FOR CAMSHAFT TO CRANKSHAFT CORRELATION - A method of correlating a rotational position of a crankshaft to a rotational position of a camshaft includes determining a stretch value of a timing connection, which drivingly couples the crankshaft and the camshaft, and calculating a crankshaft to camshaft rotational position value indicative of the rotational position of the crankshaft with respect to the rotational position of the camshaft. The crankshaft to camshaft rotational position value is compensated based on the stretch value to provide a compensated crankshaft to camshaft rotational position value and whether the rotational position of the crankshaft correlates to the rotational position of the camshaft is determined based on the compensated crankshaft to camshaft rotational position value.01-29-2009
20090118972INVERSE TORQUE MODEL SOLUTION AND BOUNDING - An engine control system includes a spark bound module that determines a bounded spark value based on a desired spark value, a torque bound module that determines a bounded torque value based on the bounded spark value and a desired torque value, and an inverse torque calculation module that determines a desired engine air value based on the bounded torque value and the square of the bounded spark value. The engine air value may be one of a desired air-per-cylinder value and a desired manifold air pressure value. The bounded spark value and the bounded torque value are determined based on one or more of a plurality of engine actuator positions. Related methods for determining the bounded spark value, the bounded torque value, and the engine air value are also provided.05-07-2009
20100145594HIGH LOAD SI-HCCI TRANSITIION BY SELECTIVE COMBUSTION MODE SWITCHING - A method for operating a direct-injection internal combustion engine includes unevenly distributing load among a plurality of cylinders by operating a portion of the plurality of cylinders in a spark ignition mode and the remaining portion of the plurality of cylinders in a homogeneous charge compression ignition mode.06-10-2010
20090118969METHOD AND APPARATUS TO CONTROL WARM-UP OF AN EXHAUST AFTERTREATMENT SYSTEM FOR A HYBRID POWERTRAIN - An internal combustion engine is controlled to achieve a preferred temperature of the exhaust aftertreatment system and to minimize a total engine energy loss. A transmission is controlled to achieve a torque output based upon the preferred engine operation.05-07-2009
20110208404HIGH-ACCURACY IMEP COMPUTATIONAL TECHNIQUE USING A LOW-RESOLUTION ENCODER AND A CUBIC SPLINE INTEGRATION PROCESS - A method for computing indicated mean effective pressure (IMEP) in an internal combustion engine using sparse input data. The method uses a cubic spline integration approach, and requires significantly lower resolution crankshaft position and cylinder pressure input data than existing IMEP computation methods, while providing calculated IMEP output results which are very accurate in comparison to values computed by existing methods. By using sparse input data, the cubic spline integration method offers cost reduction opportunities for a manufacturer of vehicles, engines, and/or electronic control units, through the use of lower cost sensors and the consumption of less computing resources for data processing and storage.08-25-2011
20090138171METHOD FOR ANTI-ALIAS DUAL PROCESSING LOOP DATA ACQUISITION IN AN INTERNAL COMBUSTION ENGINE - A method to operate an electronic controlled internal combustion engine with an electronic controller having memory and tables resident therein to obtain and use sensor data beyond the Nyquist threshold.05-28-2009
20100004842Diagnostic Method and Device for Controlling an Internal Combustion Engine - A device and a method for controlling an internal combustion engine, in which an actual value is determined based on a lambda value and compared with a setpoint value. Based on the comparison, a correction value for a controlled variable is determined and stored. An error is detected if the correction value changes abruptly.01-07-2010
20090132146DIAGNOSTIC SYSTEM FOR VALVE ACTUATION MECHANISM - A diagnostic system for an engine includes a pressure monitoring module that determines a plurality of first average pressure values and a plurality of second average pressure values of a fluid supply provided to a camshaft phaser. A diagnostic module identifies one of a plurality of cylinders associated with a failed variable valve lift mechanism based on the first and said second average pressure values. Each of the first and the second average pressure values respectively correspond to each of the plurality of cylinders.05-21-2009
20090118968ENGINE TORQUE CONTROL WITH DESIRED STATE ESTIMATION - An engine control system comprises a predicted airflow module, a first actuator determination module, a first desired air module, and an actuator position module. The predicted airflow module determines a predicted engine airflow based on a desired torque. The first actuator determination module determines a first engine actuator value based on the predicted engine airflow. The first desired air module selectively determines a first desired engine air value based on the first engine actuator value and the desired torque. The actuator position module determines a desired engine actuator value based on the first desired engine air value.05-07-2009
20120197510SNOWMOBILE HAVING ELECTRONICALLY CONTROLLED LUBRICATION - A snowmobile having an electronic oil pump fluidly connected to an oil tank thereof is disclosed. The electronic oil pump is fluidly connected to an engine of the snowmobile for delivering lubricant to the engine. An electronic control unit is electrically connected to the electronic oil pump for controlling actuation of the electronic oil pump. A method of operating an electronic oil pump is also disclosed.08-02-2012
20110224885Apparatus for Measuring In-Cylinder Pressure - A method for correcting an output characteristic of an in-cylinder pressure sensor has a problem of insufficient correction precision because the measurement range required for the detection of a peak in-cylinder pressure and an ignition timing resides in a high-pressure region of an in-cylinder combustion cycle, whereas a reference pressure used for correction is measured while leaving an intake valve and an exhaust valve open, so that the reference pressure is out of the required measurement range. An apparatus for measuring an in-cylinder pressure includes: exhaust pressure detection means disposed in an exhaust port of an internal combustion engine to measure an exhaust pressure in the exhaust port; exhaust pressure recording means that records time history of the measured exhaust pressure; and peak exhaust pressure detection means that detects a peak value for each pulsation cycle of the exhaust pressure on the basis of the recorded time history of the exhaust pressure. A peak value of the in-cylinder pressure for each combustion cycle is calculated using the detected peak value of the exhaust pressure, and the calculated peak value of the in-cylinder pressure is used as a reference pressure.09-15-2011
20090143953Exhaust system having temperature sensor verification - An exhaust system is disclosed. The exhaust system has a first sensor disposed to sense a first temperature of an exhaust flow and a second sensor disposed to sense a second temperature of the exhaust flow. The exhaust system also has a controller in communication to receive from the first and second sensors signals indicative of the first and second temperatures. The controller is configured to compare the signals indicative of the first and second temperatures during exhaust system thermal equilibrium, to determine whether at least one of the signals indicative of the first and second temperatures is inaccurate based on the comparison, and to affect a system reaction if it is determined that at least one of the signals indicative of the first and second temperatures is inaccurate.06-04-2009
20100268434Method of operation for an internal combustion engine - A method of operation for an internal combustion engine (10-21-2010
20090326785METHOD AND SYSTEM FOR CONTROLLING A LOW-VOLTAGE-POWERED PLUG FOR PREHEATING A DIESEL ENGINE AIR/FUEL MIXTURE - The invention relates to a method for controlling a low-voltage-powered plug (12-31-2009
20080306674Method For Controlling Combustion In An Internal Combustion Engine And Predicting Performance And Emissions - This disclosure teaches a method of controlling a direct injection internal combustion engine and predicting the behavior of a direct injection internal combustion engine. An estimation of initial cylinder pressure, air flow and EGR flow (if applicable) is used to establish a system that provides engine behavior by integrating an injection module, combustion module and engine control module to provide data indicative of engine behavior such as brake torque and power, air flow, EGR flow, cylinder pressure, brake specific fuel consumption, start of combustion, heat release rate, turbo-charger speed and other variables. These values can then be used to adjust commanded variables such as start of injection, commanded pulse width, rail pressure to meet operator demand. Also the output data can be used as a tool to determine how a conceptualized engine design will behave. This is particularly useful for gaseous-fuelled internal combustion engines where cylinder pressure influences behavior of injected gases in light of the fact that rail pressure and cylinder pressure are, generally, of a similar magnitude.12-11-2008
20080306673EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An exhaust emission control device for an internal combustion engine, capable of supplying a just enough amount of reducing agent to a selective reduction catalyst even when a NOx purification ratio of the catalyst is changed by various causes, thereby enabling a high NOx purification ratio and very low exhaust emissions to be maintained. An ECU calculates a filtered value based on a signal from an exhaust gas concentration sensor, calculates a moving average value of a product of the filtered value and a reference input, calculates a control input such that the moving average value becomes equal to 0, and adds a reference input to the control input to calculate an FB injection amount. The ECU calculates an FF injection amount with a predetermined feedforward control algorithm, and adds the FF injection amount to the FB injection amount, to thereby calculate a urea injection amount.12-11-2008
20080306672METHOD FOR CHANGING THE OPERATING MODE OF AN INTERNAL COMBUSTION ENGINE - In a method for changing the operating mode in an internal combustion engine it is possible to switch between an operating mode with spark ignition of the engine and an operating mode with auto-ignition of the engine. Hereby, a first map is provided in which at least one range is specified in which a suitable auto-ignition of the engine can take place. After the engine start, therefore, it is determined whether the engine has reached an operating point lying within this range of the first map in order then to switch the engine to the operating mode in which auto-ignition can take place reliably.12-11-2008
20090012693CONTROL SYSTEM FOR DETERMINING MASS AIR FLOW - A system and method comprises receiving a mass air flow signal having a frequency that varies based on mass air flow in an intake manifold of an engine, determining first period data from the mass air flow signal, deriving first mass data for the mass air flow signal based on the first period data, cumulating the first period data and the first mass data for N cylinder events, wherein N is an integer greater than 1, and calculating a mass air flow between the N cylinder events from the cumulated first period data and the cumulated first mass data.01-08-2009
20110224883METHOD TO DIAGNOSE A FAILURE OF AN OPCJ VALVE OF AN INTERNAL COMBUSTION ENGINE - A method is provided to diagnose a failure of an OPCJ valve of an internal combustion engine. The OPCJ valve is located in an auxiliary line connecting an engine lubrication line to at least an oil jet for squirting lubricating oil from the engine lubrication line towards a piston surface. The method provides for monitoring the pressure variation in the engine lubrication line due to a switching signal sent to the OPCJ valve.09-15-2011
20110224882CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine includes: an abnormal combustion detection unit for detecting an abnormal combustion due to self-ignition occurring; a pre-ignition determination unit for detecting abnormal combustion occurrence timing based on abnormal combustion detection information to determine whether or not the abnormal combustion is the pre-ignition based on comparison between pre-ignition determination timing and the abnormal combustion occurrence timing; a heat-source pre-ignition determination unit for determining whether the pre-ignition is the heat-source pre-ignition or the compression pre-ignition based on comparison between the abnormal combustion occurrence timing set by the pre-ignition determination timing and heat-source pre-ignition determination timing; a first avoidance unit for avoiding the heat-source pre-ignition in a case where the pre-ignition is determined as the heat-source pre-ignition; and a second avoidance unit for avoiding the compression pre-ignition in a case where the pre-ignition is determined as the compression pre-ignition.09-15-2011
20110224884FUEL CONTROL SYSTEM AND ASSOCIATED METHOD - A fuel control system and method for providing fuel to an internal combustion engine are provided. The fuel control system generally includes at least one valve device structured to deliver a fuel supply to the engine, a first fuel source structured to provide a primary fuel to the valve device, a second fuel source structured to provide an alternate fuel to the valve device, and an electronic controller structured to control the valve device. The electronic controller controls the valve device as a function of various data to selectively deliver the primary fuel and the alternate fuel to generate a fuel supply, e.g. as a mixture of the two fuels. The data used to control the fuel supply may include GPS data, engine data, environmental data, and/or other operational data.09-15-2011
20090024298ENGINE CONTROL AND METHOD FOR DETERMINING THE PRESSURE IN A COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE - In an engine control for an internal combustion engine (01-22-2009
20090024297METHOD AND DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - In a method and a device for controlling an internal combustion engine (01-22-2009
20090076703SYSTEMS AND METHODS FOR ESTIMATING RESIDUAL GAS FRACTION FOR INTERNAL COMBUSTION ENGINES USING ALTITUDE COMPENSATION - An engine control system comprises a first factor calculating module that calculates a first factor based on intake cam position (ICAM), exhaust cam position (ECAM), engine speed (RPM) and first calibration factors. A second factor calculating module calculates a second factor based on ICAM, ECAM, RPM and second calibration factors. A residual gas fraction (RGF) estimating module estimates a RGF value based on the first factor adjusted for altitude and said second factor. A method comprises calculating a first factor based on intake cam position (ICAM), exhaust cam position (ECAM), engine speed (RPM) and first calibration factors; calculating a second factor based on ICAM, ECAM, RPM and second calibration factors; and estimating a residual gas fraction (RGF) value based on the first factor adjusted for altitude and said second factor. At least one engine operating parameter is adjusted based on the RGF value.03-19-2009
20090082936APPARATUS, SYSTEM, AND METHOD FOR PREVENTING TURBOCHARGER OVERSPEED IN A COMBUSTION ENGINE - An apparatus, system, and method are disclosed for preventing turbocharger overspeed in a combustion engine. The method includes determining a turbocharger error term as a difference between a nominal turbocharger maximum speed and a current turbocharger speed. The method further includes determining a turbocharger speed derivative with respect to time. The method includes calculating a turbocharger control response based on the turbocharger error term and the turbocharger speed derivative with respect to time. The turbocharger control response may be a modified turbocharger maximum speed calculated by determining a reference speed multiplier based on the turbocharger error term and the turbocharger speed derivative with respect to time, and multiplying the reference speed multiplier by the nominal turbocharger maximum speed. The method thereby smoothly anticipates turbocharger transient events, and prevents an overspeed condition of the turbocharger.03-26-2009
20090198430Control apparatus and method and control unit - A control apparatus capable of ensuring high control accuracy even if a controlled object is in a transient state, when a control input is calculated based on a value obtained by correcting a value calculated by a feedforward control method using a value calculated by a feedback control method. The control apparatus calculates a fuel correction coefficient such that an output from an oxygen concentration sensor converges to a target output, and multiplies a basic injection amount by the coefficient to calculate a fuel injection amount. The basic injection amount is selected from three values according to the cause of a mapping error. Two of them are calculated by searching respective maps according to corrected throttle valve opening values and engine speed. The other is calculated by multiplying a value obtained by searching a map according to the opening and the speed by a correction coefficient.08-06-2009
20110144885CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine is provided that can precisely reflect requirements relating to performance of the internal combustion engine in a control amount of each actuator by compensating for weaknesses in the so-called torque demand control. A requirement value of each of torque, efficiency, and an air-fuel ratio, and engine information are inputted to an engine inverse model. The engine inverse model is then used to calculate actuator requirement values for achieving those requirement values. An actuator direct requirement value directly required of each of actuators is also acquired. Control of the actuators is adapted to be changed between that according to the actuator requirement value and that according to the actuator direct requirement value.06-16-2011
20110144883Engine Control with Valve Operation Monitoring Using Camshaft Position Sensing - A system or method for controlling a multiple cylinder internal combustion engine operable in a reduced displacement mode with at least one valve or cylinder selectively deactivated include monitoring valve operation by analyzing camshaft position to detect valve operation inconsistent with a current cylinder state (activated or deactivated) and controlling the engine in response to detecting the inconsistent operation. The camshaft position may be used to produce a surrogate signal indicative of intake/exhaust valve lift generated using camshaft sensor tooth deviation relative to an expected or reference tooth position for a corresponding crankshaft position and compared to a corresponding threshold. The surrogate signal indicative of valve lift may also be generated by pattern matching or correlation of one or more reference tooth position patterns to a measured or inferred tooth position pattern.06-16-2011
20110144882APPROACH FOR VARIABLE PRESSURE OIL INJECTION - Varying oil injection by an oil injector onto a piston of an engine to accommodate different operating conditions.06-16-2011
20110144881ENGINE CONTROL USING SPARK RESTRIKE/MULTI-STRIKE - Systems and methods for controlling an internal combustion engine include determining presence of charge dilution and selecting a spark restrike mode to provide multiple spark events during a single combustion cycle. Charge dilution may be determined based on commanded air/fuel ratio and exhaust gas recirculation, for example. Multiple spark events may be controlled using time-based restrike or current-based restrike in response to one or more operating parameters or conditions.06-16-2011
20090063008CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine, includes: a crankshaft; a crank angle detection unit; a generator; and a control unit to which alternating voltage signals are input, that ascertains ignition timings based on crank signals, performs ignition control so as to spark the internal combustion engine at the ignition timings, performs polarity determination processing in which the control unit determines a polarity of the alternating voltage signal each predetermined cycle and determines a current polarity determination result, and performs reverse rotation detection processing in which the control unit obtains the current polarity determination result each time the crank signal is detected so that the control unit ascertains a polarity cycle of the alternating voltage signals and in which the control unit determines that the crankshaft is in reverse rotation and stops the ignition control.03-05-2009
20090055072TURBO SPEED SENSOR DIAGNOSTIC FOR TURBOCHARGED ENGINES - A method of diagnosing operation of a turbo speed sensor that monitors a turbocharger in an internal combustion engine system includes determining whether the engine system is operating in one of a high speed and a low speed range and determining a threshold turbo speed value based on whether engine system is operating in one of the high speed and the low speed range. An actual turbo speed value of the turbocharger is monitored based on a signal generated by the turbo speed sensor. The actual turbo speed value is compared to the threshold turbo speed value and a diagnostic signal is generated based on the step of comparing.02-26-2009
20110231077Control Apparatus for and Control Method of Controlling Variable Valve Mechanism in Hybrid Vehicle - In a control apparatus for and a control method of controlling a variable valve mechanism in a hybrid vehicle, just before an engine is stopped in response to an automatic stop request, an intake valve closing timing is controlled to be set to a second closing timing near the bottom dead center to stabilize an engine stop position; when the engine is stopped, the intake valve closing timing is retarded from the second closing timing to a first closing timing that is suitable for engine start; the engine is started with the closing timing being set to the first closing timing, and the intake valve closing timing is changed towards the retard angle side beyond closing timing against rev-up of the engine just after completion of engine start, so that the rev-up can be suppressed with good response while controlling the intake valve closing timing as required for starting the engine.09-22-2011
20090093940Vehicle and Vehicle Control Method - When a power demand Pe* is not less than a preset reference value Pref04-09-2009
20090055075METHOD FOR IDENTIFYING THE THRESHOLDS AT WHICH POLLUTANT GASES ARE EMITTED WITH A VIEW TO CONTROLLING THE OPERATION OF A MOTOR VEHICLE IN STOP AND START MODE - Method for identifying the thresholds at which pollutant gases are emitted with a view to controlling the operation in “stop and start” mode by stopping an engine just before and while a motor vehicle is stationary, whereby, upon each re-start, the amount of fuel injected is calculated, and the difference between the amount of fuel injected and the normal amount of fuel needed is calculated, the said resulting quantity being considered to represent the amount of fuel that was injected but not burnt; the said amount of fuel injected but not burnt is then compared against a predetermined threshold value, according to the distance covered, and finally, “stop and start” operation is or is not inhibited according to whether the said amount of fuel injected but not burnt is above or below the predetermined threshold value.02-26-2009
20120143471SKIP FIRE INTERNAL COMBUSTION ENGINE CONTROL - A variety of methods and arrangements for controlling the operation of an internal combustion engine in a skip fire variable displacement mode are described. In general, a firing control unit determines working chamber firings during operation of the engine that are suitable for delivering a desired engine output. In one aspect, the firing control unit is arranged to isolate the generation of firing sequences having frequency components in a frequency range of concern and to alter the firing sequence in a manner that reduces the occurrence of frequency components in the frequency range of concern. In another aspect, a filter is arranged to filter a feedback signal to provide a filtered feedback signal that is used in the determination of the working chamber firings. In preferred embodiments, the frequency characteristics of the filter are variable. In various embodiments, the frequency characteristics of the filter vary as a function engine speed and/or a transmission gear ratio.06-07-2012
20110231078EGR DEVICE FOR INTERNAL COMBUSTION ENGINE - An EGR device for an internal combustion engine has an EGR means to return an EGR gas from an exhaust passage to an intake passage of an engine. The EGR device is configured to determine a target EGR ratio from an engine rotation number and an engine load and calculate an estimate EGR ratio from an intake air amount to the engine and a cylinder intake gas amount to detect a response delay of the EGR gas from a difference between the target and estimate EGR ratios.09-22-2011
20090204309METHOD AND DEVICE FOR CHECKING THE OPERABILITY OF A TANK VENTING DEVICE FOR AN INTERNAL COMBUSTION ENGINE - The tank venting device has a fuel vapor reservoir connected to a fuel tank to deliver escaping fuel vapors to the fuel vapor reservoir, and is connected to the internal combustion engine in such a manner that during a tank venting operation the fuel vapors contained in the fuel vapor reservoir are delivered as regeneration gas. To check the operability of the venting device the fuel concentration in the regeneration gas is ascertained at a minimum of two different points in time during the venting operation. The fuel concentration values in the regeneration gas are compared with respective reference values representing the regeneration gas fuel concentration in the situation in which no additional fuel vapors are delivered during the venting operation. The assessment of the venting device operability is carried out by comparison of the values ascertained for the fuel concentration in the regeneration gas with the reference values.08-13-2009
20120078488SPARK TIMING ADJUSTMENT BASED ON VEHICLE ACCELERATION - Systems, methods and a processor are provided for adjusting the spark timing of an internal combustion engine. The systems, methods and processor include adjusting the spark timing of an internal combustion engine configured to power a vehicle toward peak torque timing based on an output of a longitudinal acceleration sensor configured to sense a longitudinal acceleration of the vehicle.03-29-2012
20120078487ENGINE CONTROL SYSTEM AND METHOD BASED ON FUEL QUALITY - An engine control system and method includes sensing the quality of fuel in the engine relative to emissions, by for example sensing the level of an emission related constituent, such as sulfur. A fuel quality sensor detects a fuel quality of a fuel, such as the sulfur level in the fuel, and provides a signal in response to the fuel quality. The engine control system also includes a navigation device to determine whether an engine is located in a regulated or non-regulated region. The engine control system receives the signal and controls engine operation by, for example, enabling or disabling one or more engine algorithms to improve performance of the engine based on the fuel quality signal or, in other embodiments, the combination of the fuel quality and the location of the engine.03-29-2012
20120078486Drive Train Of A Mobile Vehicle - This invention relates to a drive train (03-29-2012
20080262695Engine mode transition utilizing dynamic torque control - A method of operating an engine having a plurality of cylinders, the method comprising of transitioning the engine from a first mode to a second mode, and temporarily adjusting an amount of torque produced by a cylinder of the engine for at least one cycle responsive to a difference in an amount of torque produced by a previous firing cylinder and a subsequent firing cylinder.10-23-2008
20080262694METHOD AND APPARATUS TO OPTIMIZE ENGINE WARM UP - There is provided a method and an apparatus to minimize energy loss of an internal combustion engine during engine warm-up. This includes monitoring engine operating conditions, and estimating a future energy loss. A power loss and a rate of change in the estimated future energy loss are determined. An engine control scheme effective to minimize the power loss and the rate of change in the estimated future energy loss is executed during the engine warm-up.10-23-2008
20090005954Combustion control in an internal combustion engine - The present invention relates to: self-tuning engine control algorithms using inputs from transducers that measure pressure in the engine cylinders, and from an engine crankshaft rotational position sensor; methods of processing the input signals to “self-tune” or learn accurate values for a) pressure transducer voltage offset, b) crank position encoder error and c) engine compression ratio; improved pressure-ratio-based algorithms for calculating cylinder heat release fraction as a function of crank angle.01-01-2009
20090222189APPARATUS, SYSTEM, AND METHOD FOR DETERMINING A REGENERATION AVAILABILITY PROFILE - An apparatus, system, and method are disclosed for determining a regeneration availability profile for an exhaust gas aftertreatment system. The method, in one embodiment, tracks historical attempts and success to determine the availability of regeneration for the system. In a further embodiment, the method divides the system operation into segments according to desired conditions which affect regeneration, for example the workload of an engine, and tracks separate success ratios for each operating condition. This allows prediction of success of a given regeneration based upon the current operating condition, as well as diagnostics of regeneration problems where an operating condition experiences trouble regenerating when historically it should not.09-03-2009
20090222191METHOD AND APPARATUS FOR LIMITING WHEEL SLIP - An engine control system comprises an engine speed control module and an idle limiting module. The engine speed control module selectively controls an engine based on an idle speed request. The idle limiting module selectively reduces the idle speed request by an amount that is based on a wheel slip value.09-03-2009
20090222190APPARATUS AND METHOD FOR PREVENTING AN UNDERSPEED EVENT OF A TURBOCHARGER - A method is disclosed for preventing an underspeed event of a turbocharger. The method includes interpreting a turbocharger speed, a compressor differential pressure (CDP) and a turbocharger differential pressure (TDP). The method further includes calculating a thrust load capacity (TLC) based on the turbocharger speed, and calculating a current thrust load (CTL) based on the CDP and the TDP. The method further includes calculating a thrust margin based on the TLC and the CTL, and controlling an actuator in response to the thrust margin. Controlling the actuator includes maintaining the thrust margin to a thrust margin target, which may be a function of the turbocharger speed. The actuator is a turbine bypass valve, a compressor bypass valve, a variable geometry turbocharger position, an exhaust throttle and/or an exhaust gas recirculation valve that controls the turbocharger speed.09-03-2009
20120197508VEHICLE HAVING KEY-BASED PERFORMANCE MODE - A system or method for controlling a vehicle having a normal operating mode and a performance operating mode include detecting a removable key unique to each vehicle associated with the performance operating mode, operating the vehicle in the performance operating mode in response to detecting the removable key, and operating the vehicle in the normal operating mode otherwise. Operation in performance or track mode may include adjusting valve timing using a variable cam timing device, adjusting idle speed control, adjusting torque response, and/or enhancing engine braking Performance mode operation may also disable one or more features, such as a transmission skip shift feature.08-02-2012
20090259385Method and engine control unit for controlling an internal combustion engine - A method for controlling an internal combustion engine includes: providing a setpoint value of at least one combustion attribute on the basis of a setpoint value characteristics map; determining from a control variable characteristics map a value of a characteristics-map-based control variable for controlling the engine; ascertaining with the aid of a data-based model a value of a modified control variable for controlling the engine, the data-based model specifying a predicted combustion attribute as a function of a real value of the combustion attribute of the preceding combustion, and the value of the modified control variable for controlling the engine being ascertained from the predicted combustion attribute; and providing a real control variable set to a value that is a function of the value of the characteristics-map-based control variable and/or the value of the modified control variable.10-15-2009
20090259382METHOD FOR LOW AND HIGH IMEP CYLINDER IDENTIFICATION FOR CYLINDER BALANCING - A system and method for identifying the cylinders having the lowest (“weakest”) and highest (“strongest”) Indicated Mean Effective Pressure (IMEP) utilizes engine speed derivative and/or higher order derivative values typically available in an engine control module by virtue of the need to detect misfire. A delta parameter is calculated that is indicative of the difference between the engine speed derivatives and/or higher order derivatives for the “weakest” and the “strongest” cylinders. Control action is then taken to balance the cylinders, based on the delta parameter, by first increasing torque for the “weakest” cylinder, by at least one increasing spark advance, increasing fuel, decreasing dilution (EGR) or slowing decay of fuel control on cold start. Once the weakest cylinder has been balanced, the control action is then directed to increasing torque of the new “weakest” cylinder.10-15-2009
20120035826INTERNAL COMBUSTION ENGINE CONTROL DEVICE - The invention aims at providing an internal combustion engine control device 02-09-2012
20090259383FUEL SYSTEM DIAGNOSTICS BY ANALYZING CYLINDER PRESSURE SIGNAL - A method for diagnosing combustion within a direct-injection, internal combustion engine including a plurality of combustion chambers and operative lean of stoichiometry includes monitoring combustion in the combustion chambers and estimating mass fraction burn therein. Mass fraction burn of sequential ones of the plurality of combustion chambers are compared and combustion phasing differences between sequential ones of the plurality of combustion chambers based on said mass fraction burn comparisons are identified.10-15-2009
20100262351ENGINE CONTROL SYSTEM AND METHOD FOR CONTROLLING ENGINE AIR FLOW DURING DECELERATION FUEL CUT - An engine control system and method for controlling engine air flow during a deceleration fuel cut includes an internal combustion engine, an anti-lock braking system (ABS), and an electronic control unit (ECU) that controls the engine. The ECU establishes a desired air flow rate for the internal combustion engine, which is taken from an ABS failed condition look-up table when determined that the ABS has failed while the engine is in a deceleration fuel cut mode, and otherwise is taken from a normal condition look-up table.10-14-2010
20100262353Engine Control Device for Working Vehicle - There are provided: a pedal operation amount detection unit 10-14-2010
20080215226Procedure to operate an internal combustion engine - A method for the transition of a gasoline engine with direct gasoline injection and with a variable valve train assembly from an initial mode of operation to a target mode of operation, whereby the initial mode of operation and the target mode of operation are either a mode of operation with an externally-supplied ignition or a mode of operation with a self-ignition, wherein the method comprises: 09-04-2008
20100191438Reference Distribution Bus - A system that includes a multiplexer having an output selectively coupled to a plurality of inputs, a bus coupled to the output of the multiplexer, and first and second circuits configured to generate first and second digital signals, respectively. The first digital signal is related to a rotational angle of a crankshaft at a first point in time, and the second digital signal is related to a value of parameter at the first point in time, wherein the parameter is one other than the rotational angle of the crankshaft. The first and second circuits are coupled directly or indirectly to first and second inputs of the multiplexer.07-29-2010
20100191437METHOD AND SYSTEM FOR MONITORING AN ACTIVE HYDROCARBON ADSORBER - A method and system for monitoring an exhaust gas adsorber includes a comparison module comparing the first exhaust gas constituent signal corresponding to an amount of exhaust gas constituent in an exhaust conduit and a second exhaust gas constituent signal corresponding to an amount of exhaust gas constituent in the exhaust gas adsorber. The system includes a fault module generating a fault in response to comparing in the comparison module.07-29-2010
20120197509ENGINE CONTROL APPARATUS - An engine control apparatus includes an ISS control unit provided with ISS determination means for inputting at least an engine cooling water temperature, vehicle speed, and brake information, and target opening setting means for setting a target opening in an idle stop/start control period; and a throttle control unit provided with proportional gain correction coefficient operation means for correcting a proportional gain to a value that is larger than a proportional gain outside the idle stop/start control period, throttle opening feedback control means for performing a throttle opening feedback control operation based on an opening deviation between a target opening and an actual opening, and PWM driving means for outputting a voltage that is in proportion to the operation amount to a motor.08-02-2012
20110112742METHOD FOR THE CONTROL OF A SWITCHABLE WATER PUMP IN AN INTERNAL COMBUSTION ENGINE - A method is provided for the control of a switchable water pump for a water cooling circuit in an internal combustion engine. The method includes, but is not limited to monitoring a parameter representative of the cylinder head temperature and, in case the temperature is below a predetermined value, perform at least an on-off cycle for the switchable water pump. The on-off cycle, includes, but is not limited to at least a first phase in which the water pump is switched OFF for a time period T05-12-2011
20100161198VEHICULAR CONTROL APPARATUS AND METHOD - A vehicular control apparatus that controls a device mounted on a vehicle includes: a generating means for generating respective required values of the device based on quantities of state in different units; an adjusting means for converting the required values into values in one unit and obtaining a desired value of the device based on the values in one unit; a control means for controlling the device based on the obtained, desired value; and a determining means for determining whether the vehicle is in a certain state using respective reference values set for the quantities of state, the required values, and the desired value. One of the reference values is converted into the remaining reference values in different units.06-24-2010
20100241334METHOD FOR REGULATING THE COMBUSTION POSITION IN AN INTERNAL COMBUSTION ENGINE - A method for the closed-loop control of the combustion position in an internal combustion engine with several cylinders, especially in a diesel engine, with at least one engine operating parameter being detected, wherein a cylinder-selective combustion position model which is arithmetic or based on characteristic values is provided which produces a relationship between at least one determined engine operating parameter and the combustion position, and the combustion position is determined on the basis of the determined engine operating parameter by the combustion position model for each cylinder.09-23-2010
20100217499MECHANICAL POWER GENERATION - Systems, processes, devices, and articles of manufacture for mechanical power generation may be implemented by various techniques. In certain implementations, a mechanical power generator may include a number of cylinders that each have at least two combustion chambers with interconnected pistons. The power generator may also include a fuel controller and an exhaust controller for each combustion chamber. A number of force conversion members may each be associated with respective ones of the cylinders by being coupled to a piston in the associated cylinder at one end. A torque conveying member may be coupled to another end of the force conversion members.08-26-2010
20100228462METHOD AND SYSTEM FOR DETERMINING ENGINE BRAKE TORQUE IN REAL TIME - A method and system for controlling an engine function includes a deflection determination module generating a clutch deflection signal. The system further includes an engine function module controlling an engine function in response to the clutch deflection signal. The clutch deflection signal may be generated by sensors associated with the transmission shaft such as within the clutch housing or the friction disk.09-09-2010
20100222983Method and Computer Program for Operating an Internal Combustion Engine, and Control Unit - A method makes it possible to measure and evaluate the efficiency of a start-stop system of a vehicle having an internal combustion engine, and on the basis of the measurement, to optimize the efficiency in a vehicle-specific fashion or with regard to the driving behavior of the driver.09-02-2010
20100222981Method for Monitoring the Secondary Air System in an Exhaust-Gas Purification System - The individual cylinders of the internal combustion engine are divided into at least two cylinder banks wherein each is assigned a separate exhaust-gas channel. Secondary air is conveyed by a compressor. The flow of the secondary-air mass flow is set independently by an electrically controllable throughflow control. A value for the entire secondary-air mass flow is determined from the signal of a secondary-air mass sensor. The throughflow control is controlled into an open position, the value for the entire secondary-air mass flow is detected and subsequently the throughflow control is controlled into a closed position, the values for the secondary-air mass flows are detected before and after closure, and these values are compared with a plurality of different threshold values and, as a function of the result of the comparisons, a determination is made of the fault location with regard to the respective cylinder bank.09-02-2010
20100222984Process and Onboard Power Supply of a Motor Vehicle with an Anticipating Temporary Torque Derivation of the Internal-Combustion Engine - The invention relates to a method for reducing the energy consumption of a motor vehicle having an internal-combustion engine and having at least one electric onboard power supply to which at least a first electric consuming device is connected. In a first operating condition, the internal-combustion engine is operated with a first injection quantity and a first ignition point. In a second operating condition, the internal-combustion engine is operated with a second injection quantity higher than the first injection quantity and a second ignition point. The second ignition point in time is less favorable than the first ignition point in the case of the second injection quantity with respect to the capacity of the internal-combustion engine. Upon detecting a substantially imminent special driving situation, a driving situation detection device causes the internal-combustion engine to change from the first operating condition into the second operating condition.09-02-2010
20090076704CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine, includes: a crankshaft; a crank angle detection unit that outputs a crank signal; a generator that rotates in synchronization with the rotation of the crankshaft, and that outputs alternating voltage signals with one-phase; and a control unit, to which the alternating voltage signals are input, that ascertains ignition timings based on the crank signals, performs ignition control so as to spark the internal combustion engine at the ignition timings, determines a polarity of the alternating voltage signal each time the crank signal is detected, ascertains a polarity cycle of the alternating voltage signals based on the determination result of the polarity, and determines that a failure has occurred in the generator when the polarity cycles do not continuously coincide multiple times with the polarity cycles at the time of forward rotation of the crankshaft.03-19-2009
20100235066SYSTEM AND METHOD FOR ENGINE LOAD MANAGEMENT - An engine load management system is disclosed. The engine load management system may have an engine and a hydraulic device driven by the engine. The engine load management system may also have a sensor associated with the hydraulic device to detect a load change of the hydraulic device, and a controller in communication with the engine, the hydraulic device, and the sensor. The controller may be configured to determine a change in engine operation required to accommodate the detected load change, and determine a modification of an engine parameter required to produce the change in engine operation. The controller may be further configured to determine a capacity for the modification, and implement the modification and relieve the load change from the hydraulic device before the load change is transmitted to the engine, based on the capacity for the modification.09-16-2010
20120035829CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal combustion engine according to an embodiment includes: cooling units arranged on a path where a coolant is circulated, and cooling an exhaust gas of the internal combustion engine with the coolant flowing through the cooling units; a pump circulating the coolant; and ECUs estimating a heat quantity of the exhaust gas and deciding whether or not to operate the pump after an ignition switch is detected to be OFF in response to the estimated heat quantity of the exhaust gas.02-09-2012
20100222982TORQUE MODEL-BASED COLD START DIAGNOSTIC SYSTEMS AND METHODS - A control system for an engine having a catalytic converter includes an energy calculation module that calculates a calculated mass air flow (MAF) of intake air of the engine based on a requested torque and a requested spark timing that correspond to a desired thermal energy of exhaust of the engine, and that determines an expected thermal energy of the exhaust based on the calculated MAF, and an energy residual module that determines a thermal energy residual of the exhaust based on the expected thermal energy and an estimated thermal energy of the exhaust, wherein the estimated thermal energy is based on a measured MAF of the intake air. The control system includes an energy evaluation module that determines a diagnostic result that indicates whether the catalytic converter is operating within a target temperature range based on the thermal energy residual. Related control methods are also provided.09-02-2010
20100211286DEVICE FOR LIMITING OUTPUT OF INTERNAL COMBUSTION ENGINE WHEN THE ENGINE HAS ABNORMALITY - An output restriction device for restricting engine output when a drive power output system for an internal combustion engine has an abnormality is provided. The output restriction device includes an abnormality detection unit, and initial restriction unit, and a secondary restriction unit. The abnormality restriction unit detects an abnormality in the drive power output system. The initial restriction unit restricts a tolerable range of the engine output to a first restriction region when the abnormality detection unit detects an abnormality in the drive power output system. A secondary restriction unit shifts the tolerable range of the engine output to a second restriction region, which has an upper limit lower than that of the first restriction region, in accordance with an operation history of the engine after the initial restriction unit restricts the tolerable range of the engine output to the first restriction region.08-19-2010
20100211287INTERNAL COMBUSTION ENGINE CONTROL DEVICE - The internal combustion engine control device includes a request output section and a mediation section. The request output section expresses a plurality of requests about internal combustion engine functions (drivability, exhaust gas, and idling) in terms of physical quantities (torque, efficiency, and air-fuel ratio) and outputs the requests. The mediation section collects a plurality of requests A-C expressed in terms of the same physical quantity and conducts mediation in accordance with a predefined rule to determine one request value E. The requests A-C output from the request output section are defined on the basis of the range of request values and the distribution of expected values indicative of the degree of expectation of request values within the range. The mediation section calculates the sum D of the expected values of the plurality of requests A-C and conducts mediation to determine the request value E that prevails when the sum is maximized.08-19-2010
20100250090INJECTOR TIP CLEANING SYSTEMS AND METHODS - A treatment control system comprises a monitoring module and an injection control module. The monitoring module monitors an exhaust temperature and an exhaust flow rate in an exhaust system of a vehicle. The injection control module controls injection of a dosing agent into the exhaust system for first and second regeneration events of a diesel particulate filter (DPF) and selectively injects a predetermined amount of the dosing agent into the exhaust system between the first and second regeneration events when the exhaust temperature is greater than a predetermined temperature and the exhaust flow rate is greater than a predetermined flow rate.09-30-2010
20130218439CONTROLLING VARIABLE VALVE ACTUATION SYSTEM - A method of controlling a variable valve actuation system for an internal combustion engine having a plurality of cylinders, each of the plurality of cylinders having a variable valve actuator and in-cylinder pressure sensor is provided. Output of an in-cylinder pressure sensor is monitored at a predetermined crank angle Θp with an electronic control module. The output of the in-cylinder pressure sensor of the monitored one of the plurality of cylinders at the predetermined crank angle Θp is compared to a stored threshold value for in-cylinder pressure at the predetermined crank angle. A variable valve actuator is adjusted to adjust a crank angle Θc corresponding to when an intake valve of the monitored one of the plurality of cylinders closes when the output of the in-cylinder pressure sensor of the monitored one of the plurality of cylinders does not correspond to the stored threshold value.08-22-2013
20100100298Electronic control of the pressure and flow of linear pumps and compressors - A control circuit for linear motors driving pumps or compressors that provides a programmable pressure versus flow behavior. The duty cycle of a pulse width modulated drive signal to a coil in the motor is controlled by a parameter determined by the shape of the back EMF signal generated by that coil when it is not driven. The measured parameter value is compared to a target value for the present drive pulse width, and the pulse width is adjusted to reduce the difference between the measured value and the target value. The target value is stored in a table of calibrated values that determines the desired pressure versus flow behavior and can also compensate for manufacturing differences between individual pumps.04-22-2010
20100070152METHOD AND APPARATUS FOR DETECTING A CONTINUOUS INGRESS OF FUEL INTO THE LUBRICATING OIL OF AN INTERNAL COMBUSTION ENGINE DURING COLD STARTING - In a method and an apparatus for detecting a continuous ingress of fuel into the lubricating oil of an internal combustion engine, that is to say oil dilution, in particular of a motor vehicle during cold starting, there is provision, in particular, for the continuous ingress of fuel to be detected by means of a lambda control. The continuous ingress of fuel is preferably determined using the outgassing of fuel from a crankcase of the internal combustion engine, wherein the depletion is based on adaptation values of the lambda control.03-18-2010
20100114452VIRTUAL THROTTLE POSITION SENSOR DIAGNOSTICS WITH A SINGLE CHANNEL THROTTLE POSITION SENSOR - A method and system for operating a throttle system includes a throttle body generating a throttle position sensor signal and encoding the throttle position sensor signal to form an encoded throttle position sensor signal. The system also includes an electronic control module receiving the encoded throttle position sensor signal from a throttle body, forming a first replicated throttle position sensor signal and a second replicated second throttle position sensor signal from the encoded signal and communicating the first replicated throttle position sensor signal and the second throttle position sensor signal to a diagnostics module.05-06-2010
20120143472SOOT DISCHARGE ESTIMATING DEVICE FOR INTERNAL COMBUSTION EINGINES - A Soot discharge amount is calculated by multiplying a “steady discharge amount” by a “transient correction value.” The steady discharge amount is a Soot discharge amount in a steady operation state, and is acquired through table search. For each of a plurality of factors which affect the Soot discharge amount, a steady value (value obtained through table search) of the factor and a transient value (current value) of the factor are substituted for a characteristic equation which represents a change in the Soot discharge amount with the value of the factor, whereby a steady characteristic value and a transient characteristic value are acquired. The “ratio between the steady characteristic value and the transient characteristic value” is then calculated for each factor. The transient correction value is obtained by multiplying together all values of the “ratio between the steady characteristic value and the transient characteristic value” obtained for the factors.” As one of factors, a “mist average equivalence ratio at a timing of starting ignition” that strongly and directly affects a Soot generation speed is contained. The transient correction value is calculated as a “coefficient which represents the degree of deviation of the Soot discharge amount from the steady discharge amount” in consideration of the influence of “deviation of the transient value from the steady value” for each factor in a transient operation state.06-07-2012
20120143470METHOD FOR OPERATING A VARIABLE DISPLACEMENT OIL PUMP - A method is provided for operating a variable displacement oil pump of an internal combustion engine, that includes, but is not limited to measuring a value of an engine metal temperature and of preventing the variable displacement oil pump to switch from an high displacement configuration to a low displacement configuration, as long as the measured value is greater than a first threshold value of the engine metal temperature.06-07-2012
20120143465APPARATUS AND METHOD FOR CONTROLLING MOTOR - Disclosed is an apparatus for controlling a motor that determines whether or not to control the motor in order to control a variable valve lift device by using a measurement value of a valve lift and a target value of the valve lift; compares a predetermined base temperature with a temperature of an engine room in order to control the motor; determines a temperature factor corresponding to the temperature of the engine room when the temperature of the engine room is larger than the base temperature; and determines a driving signal value for the motor by applying the temperature factor to a predetermined base signal value.06-07-2012
20120143463STARTABILITY IMPROVING METHOD FOR GDI ENGINE USING ELECTRIC CVVT CONTROL - A method for improving startability of a of a gasoline direct injection (GDI) engine by controlling an electric continuously variable valve timing (CVVT) may include determining whether the engine is running, calculating the phase angle of the camshaft and the difference between the position of the camshaft and the optimum position of the lobe of the high pressure pump, applying a duty to the drive motor to rotate the camshaft, calculating the difference between the current position of the camshaft after rotation and the target position of the camshaft, and comparing the difference with a predetermined value. When the difference is not smaller than a predetermined value, the duty is raised and applied to the drive motor to rotate the camshaft further until the difference is reduced and smaller than the predetermined value.06-07-2012
20090276139Engine regulation system and method for qualifying the components of the engine regulation system - An engine control system is provided having a control unit and a monitoring module. The monitoring module, together with the control unit, forms one structural unit and is designed as a detachable module having an independent electromagnetic shielding.11-05-2009
20090276138TIME AND ANGLE BASED CYLINDER PRESSURE DATA COLLECTION - A control module for determining a time and angle based cylinder pressure includes a crankshaft position determination module that determines a first crankshaft position in an engine at a first time, a time-based cylinder pressure determination module that determines N time-based cylinder pressures in the engine at N times, wherein N is an integer greater than one, and an angle-based cylinder pressure determination module that determines an angle-based cylinder pressure at the first crankshaft position based on the first time, the N cylinder pressures, and the N times.11-05-2009
20090150043Engine Arrangement - A method for operating an engine arrangement with a first internal combustion engine and a second internal combustion engine in a vehicle is provided. The method may include partially coupling a first crankshaft of the first internal combustion engine in the vehicle with a second crankshaft of the second internal combustion engine in the vehicle to start the second internal combustion engine, where the first crankshaft and second crankshaft are partially coupled with a clutch. The method may further include decoupling the first and second crankshaft when the second engine is operating under its own power. The method may further include coupling the first crankshaft and the second crankshaft, where the first and second crankshafts are coupled with the clutch when a speed difference between the first and second crankshafts is below a predetermined value and a relative angular position between the first and second crankshafts is less than 360°.06-11-2009
20120143469ISG CONTROL METHOD FOR VEHICLE IN CONGESTED AREA - An ISG control method for a vehicle in a congested area, may include an N-stage stop determining step that determines whether a shift lever has moved from a D-stage to an N-stage and a brake has been operated, discriminating from when the shift lever is at the D-stage; an N-stage vehicle speed determining step that determines whether a vehicle speed is equal to or less than a predetermined N-stage stop vehicle speed after the N-stage stop determining step; and a remaining condition determining step for entering an idle-stop state, when the vehicle speed is equal to or less than the N-stage stop vehicle speed, as a result of performing the N-stage vehicle speed determining step, and when idle-stop entering conditions other than a position of the shift lever, the vehicle speed, and the history of a maximum traveling vehicle speed are satisfied.06-07-2012
20080243358COMBUSTION CONTROLLER FOR COMPRESSION-IGNITION DIRECT-INJECTION ENGINE AND ENGINE CONTROL SYSTEM FOR THE SAME - As a compression-ignition direct-injection engine combustion controller, a program for detecting ignition timing of a main injection Mn (main ignition timing), a program for correcting a command value of main injection execution timing in a direction to the side where a detection value is converged within a predetermined range, a program for determining whether or not the corrected command value is within a predetermined range, and a program for, when it is determined that the command value is not within the range, correcting a command value related to an injection amount of a pilot injection Pt based on whether or not the command value is on a delay side or an advance side of the range.10-02-2008
20120143468ISG SYSTEM AND CONTROL METHOD THEREOF - An ISG system may include a shift stage sensing unit that senses a shift stage of a transmission, a parking sensing unit that senses a driver's intension of parking by recognizing at least one of whether a vehicle enters a parking lot and whether a parking assistant system may be operated, and an ISG controller that stops an idle-stop of an engine when the shift stage of the shift stage sensing unit may be at a reverse stage or the parking sensing unit senses the driver's intension of parking.06-07-2012
20120143462ENGINE HAVING SUPERCHARGED INTAKE SYSTEM WITH CDA VALVE SYSTEM/ARRANGEMENT AND METHODS RELATED THERETO - Featured is a method for controlling operation of an internal combustion engine having a supercharger, a bypass, a cylinder de-activation (CDA) system and a throttle body, where the supercharger is configured and arranged so as to be selectively operable. Such a method includes determining which of three operating modes is appropriate for a given set of operating conditions and controlling each of the supercharger, the bypass, the CDA system and the throttle body based on the determined operating mode. In the first and second operating modes, the supercharger is not operable and the bypass is opened. In the third mode, the supercharger is operable and the bypass is closed. In the first and third modes, the CDA system is configured so all cylinders are operational. In the second mode, the CDA system is configured so certain cylinders are in a deactivated state and so other cylinders remain operable.06-07-2012
20090105927Control system for automotive vehicle having diagnosis function - A system for controlling on-board air-conditioner according to the present invention includes input/output means such as sensors and driving motors, a control means such as a microcomputer, and input/output circuits connecting the input/output means to the control means. Means for generating diagnosis information, such as failure flag-setting circuits, feedback circuits and current sensors detecting sensor signals, are included in the input/output circuits. Upon receiving a request for diagnosis from an outside diagnosis device, diagnosis data including positions and nature of the failures occurred in the control system are outputted, taking into consideration the diagnosis information generated and stored in the control means. The diagnosis data may be displayed on a display panel of the outside diagnosis device. The diagnosis information generating means may be simply added to existing input/output circuits to thereby constitute cost-effectively the control system having a diagnosis function.04-23-2009
20100318275METHOD AND DEVICE FOR DETERMINING A VIBRATION-OPTIMISED ADJUSTMENT OF AN INJECTION DEVICE - In a method for determining a vibration-optimised adjustment of an injection device of an internal combustion engine, for each cycle of the internal combustion engine, a plurality of individual injections per cylinder is carried out by the injection device, each of which is defined by a relative injection moment and an individual injection quantity. A temporal course of a resulting pressure influenced by pressure waves is determined in a fuel guiding part, and the above-mentioned adjustment is determined by variation of the injection moment of at least one individual injection and/or the individual quantity, such that the adjustment is characterised by a temporal variation of the resulting pressure, which is reduced by an at least partially destructive interference between the cited pressure waves. A corresponding device can determine a vibration-optimised adjustment of an injection device, and an internal combustion engine may have such a device.12-16-2010
20100324800System and Method to Enforce Excessive Engine Idle Control - A system and method for engine idle control enforcement is provided. According to one embodiment, a vehicle is monitored to determine whether it has moved a particular distance over a period of time or is moving at a particular speed. The monitoring can be accomplished using, for example, a GPS capable device. A determination can be made based on the vehicle distance or speed over a period of time as to whether the vehicle is in idle. When a determination is made that the vehicle is idle, an activation of one or more relay switches can occur to kill the engine and/or disable the starter. A park gear signal can be used as a safety mechanism to avoid killing the engine when the vehicle is determined to not be in park. In one embodiment, in order to reengage the vehicle's engine, the turnkey must be moved to the OFF position before turning the ignition ON.12-23-2010
20110251774METHOD FOR CONTROLLING GLOW PLUGS IN A DIESEL ENGINE, PARTICULARLY FOR MOTOR-VEHICLES - A method for controlling glow plugs associated with respective cylinders of a Diesel engine, which includes, but is not limited to the steps of storing data indicative of the activation sequence of the cylinders and activating sequentially each glow plug according to the stored activation sequence of the cylinders.10-13-2011
20090037075Control system for plant - A control system for a plant, including a sliding mode controller and a transfer characteristic adjusting module. The sliding mode controller calculates a feedback control input with a sliding mode control so that an controlled output of the plant coincides with a target value. The transfer characteristic adjusting module is connected to an output of the sliding mode controller, and has a transfer characteristic set according to a transfer function of a controlled object model which is obtained by modeling the plant. A control input to the plant is set to an output of the transfer characteristic adjusting module. The transfer characteristic of the transfer characteristic adjusting module is set so that a composite transfer function indicative of a transfer characteristic which is obtained by combining the transfer characteristic of the transfer characteristic adjusting module and a transfer characteristic of the controlled object model, coincides with a desired target transfer function.02-05-2009
20130138323ISG SYSTEM AND CONTROL METHOD THEREOF - The ISG (Idle Stop & Go) system may include a vehicle information receiving unit receiving a vehicle information, and a control unit including an ISG operation logic which performs an idle stop when a preset idle stop condition is satisfied and restarts the engine when a preset restart condition of the engine is satisfied, and an ISG deactivation determination logic which determines whether a preset ISG deactivation condition is satisfied or not, based on the accumulated number of determinations that the idle stop condition is not satisfied, the accumulated number of idle stops, and the accumulated number of determinations that a performance time of the idle stop is smaller than a preset idle stop retention time, and deactivates the ISG operation logic when the ISG deactivation condition is satisfied.05-30-2013
20130144506ENGINE PROTECTING APPARATUS FOR PREVENTING THE INFLOW OF MOISTURE - The present invention relates to an engine protecting apparatus for preventing the inflow of moisture, which drops the RPM (revolutions per minute) of an engine by generating an RPM drop request signal when moisture drain does not occur, wherein a time is counted from the point when a moisture detection signal is received from a WIF sensor installed in a moisture separator, and moisture drain is checked at the point when a counted cumulative time exceeds a set time. When moisture drain is not performed even after a signal for moisture drain is received from a moisture detecting sensor installed in the moisture separator, a driver is aware of the seriousness of moisture separation to thus separate moisture in the moisture separator as soon as possible. This prevents fatal damages which may be aroused in an injector or fuel system due to the introduction of moisture into an engine.06-06-2013
20110010072METHOD AND DEVICE FOR THE OPERATION OF AN INTERNAL COMBUSTION ENGINE COMPRISING AN EXHAUST-GAS TURBOCHARGER - In order to operate an internal combustion engine with a turbocharger, a boost pressure prevailing downstream of a compressor (01-13-2011
20110010071SYSTEM FOR PARTICULATE MATTER SENSOR SIGNAL PROCESSING - A system having a particulate matter sensor in an exhaust stream of an engine upstream from a particulate filter and another such sensor downstream from the filter. There may also be an exhaust gas recirculation (EGR) control on the engine. The amount of particulate matter in or loading of the filter may be determined by the upstream filter. The working condition of the filter may be determined by the downstream sensor. The filter may have a heater and control for providing operational and particulate matter burn-off temperatures to the filter. A processor may be connected to the sensors, the EGR control and the filter heater control.01-13-2011
20100262354METHOD OF CONTROLLING THE IGNITION OF A GAZOLINE ENGINE - A method of controlling the ignition of a gasoline engine having an ignition coil which generates a spark on a spark plug, whereby the instant when coil charging starts is determined for each engine cycle as a function of the angular position of the crankshaft and the rotation speed of the engine, by calculating the ratio between the crankshaft angle of rotation still to pass through before the crankshaft reaches the angular position at which the ignition spark is to be produced, and the time required to charge the coil, and, when this ratio becomes substantially equal to the measured rotation speed of the engine, the charging of the coil begins, the method including: 10-14-2010
20110010073CONFIGURABLE AUTOMOTIVE CONTROLLER - An engine control unit having a one-time integration of a model predictive control template via a potentially long software process. Changes to the control structure may subsequently be made via a calibration dataset connected to the engine control unit without incurring the potentially long and laborious software process of implementing the template of other approaches in the related art.01-13-2011
20110130942DEVICE AND METHOD FOR MEASURING ENGINE TORQUE AND CONTROL PROGRAM - A device for measuring torque of an engine has a torque detecting section for detecting an output torque of engine cylinders, a rotation detecting section for detecting a rotation angle of a rotating section to which a piston of each cylinder is connected, a top mark detecting section for detecting the rotation angle of the piston of each cylinder, and a torque calculating section for estimating torque characteristics of each cylinder on the basis of the following: the signal of the output torque, the rotation angle of the rotating section, the rotation angle of the piston of each cylinder, the number of the cylinders of the engine, and the number of cycles of the engine. The torque calculating section estimates, as torque characteristics of each cylinder, either peak torque of each cylinder or the combustion angle at which the peak torque is attained.06-02-2011
20100250091MOTOR CONTROL APPARATUS FOR INTERNAL COMBUSTION SYSTEM, AND MOTOR CONTROL APPARATUS - A control signal output unit (09-30-2010
20100250089METHOD AND SYSTEM FOR GENERATING A DIAGNOSTIC SIGNAL OF AN ENGINE COMPONENT USING AN IN-CYLINDER PRESSURE SENSOR - A method and a control module for diagnosing an engine component function includes a comparison module comparing an in-cylinder pressure signal to a threshold and a fault indication module generating a diagnostic signal for an engine component in response to comparing.09-30-2010
20100152992METHOD FOR OPERATING A FORCED-INDUCTION INTERNAL COMBUSTION ENGINE - The precision of an intake manifold model for a supercharged internal combustion engine can be improved, wherein a first pressure value in the inlet tract (06-17-2010
20090055074Control for determining a firing timing of an internal-combustion engine - A control for determining a firing timing of an engine is provided. An in-cylinder pressure is detected at a predetermined time interval. An in-cylinder pressure for every predetermined crank angle is calculated based on the detected in-cylinder pressure. A motoring pressure in a case where combustion is not performed in the engine is estimated. It is detected that a pressure difference between the calculated in-cylinder pressure and the motoring pressure has exceeded a determination value. A time point is identified, as a firing timing, at which the pressure difference has exceeded a determination value with a finer resolution than the resolution of the predetermined crank angle interval through an interpolation calculation. The interpolation calculation uses a first crank angle when it is detected that the pressure difference has exceeded the determination value, the pressure difference corresponding to the first crank angle, a second crank angle previous to the first crank angle by the predetermined crank angle and a pressure difference corresponding to the second crank angle.02-26-2009
20090063009VEHICLE AND CONTROL METHOD OF VEHICLE - In a vehicle of the invention, the lower between a first permissive water temperature based on an outside air temperature Tout and an elapsed time since system activation and a second permissive water temperature based on a target air outlet temperature in an air conditioning system is set to an intermittent operation permissive water temperature. When a cooling water temperature of an engine is not lower than the set intermittent operation permissive water temperature, intermittent operation of the engine is permitted. When the cooling water temperature of the engine is lower than the set intermittent operation permissive water temperature, on the other hand, intermittent operation of the engine is prohibited. This arrangement ensures appropriate control of the intermittent operation of the engine and thus effectively improves the fuel efficiency of the vehicle.03-05-2009
20090063006Driving Authorisation System Comprising An Electronic Immobiliser Function - A driving authorization system comprises an electronic immobilizer function which is coupled to a rotary shaft sensor. The rotary shaft sensor senses the position and/or rotational speed of the rotary shaft by means of a pickup wheel arranged on a rotary shaft, and transmits that information to a vehicle control unit which enables the electronic immobilizer function. According to the invention, the pickup wheel comprises a predefined number of teeth which are arranged distributed along the circumference of the pickup wheel to a code, and an encoded rotational speed signal which is picked up by the rotary shaft sensor and can be decoded by the vehicle control unit. The vehicle control unit enables the immobilizer function only after successful decoding of the encoded rotational speed signal. A synchronization time for detecting a specific position of the rotary shaft is part of the encoded rotational speed signal.03-05-2009
20090312933Device for Switching on and Off a Vehicle Engine as a Function of the Traffic Situation - A device for switching on and switching off an engine of a motor vehicle having a sensor for locating a preceding vehicle and a control unit for switching on and switching off the engine as a function of the state of motion of the preceding vehicle, wherein the control unit is set up to control the switching on and switching off of the engine as a function of the state of motion of at least one additional vehicle in the same lane.12-17-2009
20090312931FUEL SYSTEM INJECTION TIMING DIAGNOSTICS BY ANALYZING CYLINDER PRESSURE SIGNAL - A method for diagnosing combustion within an engine includes monitoring pressure cylinder pressure and generating a measured combustion phasing value for the cylinder at a predetermined metric selected to index the combustion cycle. The measured combustion phasing value is calculated through a Fast Fourier Transform and compared to an expected combustion phasing value.12-17-2009
20110144884Vehicle Launch Anticipation - Turbo lag is a known impediment of a turbocharged, small displacement engine providing the feel of a large displacement engine. A method of spinning up the exhaust turbine during an interval between the time that the operator moves his/her foot from the brake pedal to the accelerator pedal to initiate a launch. A non-exhaustive list of actions that can be taken to increase exhaust enthalpy provided to the turbine include: opening the throttle, retarding the spark, and closing the wastegate. Additionally, a brake can be applied at one of the vehicle wheels to keep the engine from launching forward during this interval.06-16-2011
20090312934Method for Operating a Combustion Machine, Device for Obtaining Thermal Energy, and Motor Vehicle - A method for operating a combustion machine, such as an internal combustion engine, has the following steps: provision of a combustion machine for producing thermal energy; operation of the combustion machine, and thereby burning fuel to obtain the thermal energy; detection of the concentration of at least one pollutant, which is produced during the combustion, in the surroundings of the combustion machine; regulation of the operation of the combustion machine, in which a characteristic variable of the combustion machine is set according to the detected concentration in such a way that the emission of the pollutant is reduced.12-17-2009
20110087421CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device for an internal-combustion engine designed to ensure that required responsiveness is obtained as actual torque responsiveness with respect to a torque demand even when the torque responsiveness with respect to the actuation of a particular actuator is affected by the operating conditions. A response compensating filter is provided at a preceding stage to an air inverse model, and the target torque which has been corrected by the response compensating filter is converted by the air inverse model to obtain a target opening degree of a throttle. A time constant of the response compensating filter is set on the basis of the operating conditions of the internal-combustion engine so that the responsiveness of actual torque with respect to the torque demand reaches a preset standard responsiveness.04-14-2011
20110087419CYLINDER PRESSURE MEASUREMENT SYSTEM AND METHOD - An engine control system includes a piston movement modeling module, a cylinder volume determination module, and a cylinder pressure estimation module. The piston movement modeling module models movement of a piston within a corresponding cylinder based on angular change of an engine crankshaft. The cylinder volume determination module determines a volume of the cylinder based on an angular position of the engine crankshaft and the modeled movement of the piston. The cylinder pressure estimation module estimates pressure in the cylinder based on the determined volume, an intake manifold absolute pressure (MAP), an intake valve timing, an exhaust valve timing, and an exhaust back pressure (EBP).04-14-2011
20090063007POWER CONTROLLER FOR HYBRID VEHICLE - An operation point of the engine where the fuel economy is optimal is obtained based on an iso-fuel-economy curve which is defined by engine speed and engine torque. Each of the operation points is connected to each other to form an efficiency characteristic line on which the demand operation point is computed. When the operation point of the engine is moved in a direction in which the fuel economy is improved, the moving speed of the operation point is increased so that the operation point rapidly moves to the point of high fuel economy as soon as possible. Contrary, when the operation point moves in a direction where the fuel economy is deteriorated, the moving speed of the operation point of the engine is decreased so that the operation point can be moved toward the point of low fuel economy as slow as possible.03-05-2009
20120245820APPARATUS AND METHOD FOR CONTROLLING ELECTRIC OIL PUMP - An electric oil pump for supplying oil to at least a part (a clutch) of a transmission is provided in parallel with a mechanical oil pump which is driven by an engine and supplies oil to each part of the transmission. In advance of an operation request to the electric oil pump, the electric oil pump is rotated at a first operation-preparation rotational speed which is a very low speed so as to replace oils in oil pipes controlled by the electric oil pump. Thereafter, the electric oil pump is rotated at a second operation-preparation rotational speed which is a relatively-high speed, and when an actual rotational speed reaches the second operation-preparation rotational speed, it is determined that operation preparation is completed.09-27-2012
20090037074Control system for plant - A control system for a plant can include a feedback control input which can be calculated so that a controlled output of said plant coincides with a target value. A hold control input can be calculated according to an operating condition of said plant. A control input to said plant is set to the feedback control input when a control deviation between the controlled output and a target value is greater than a predetermined threshold value, and the control input is set to the hold control input when the control deviation is equal to or less than the predetermined threshold value. The feedback control input is made to gradually approach to or coincide with the hold control input when the control input is set to the hold control input.02-05-2009
20100131171METHOD FOR OPERATING AUTO IGNITION COMBUSTION ENGINE - A low computation method for operating auto ignition combustion engines, in which outputs, in particular a requested torque set point TQI_SP is directly linked to an injected fuel mass flow distribution, to the EGR rate and the air control by taking into account engine out emissions & drivability constrains by using a multi-objective optimization method. A method to monitor in the embedded controller the indicated torque, TQI is also proposed.05-27-2010
20090216420ENGINE MOVEMENT DETECTION SYSTEMS AND METHODS - A control system for an internal combustion engine is provided. The control system includes an engine movement module that selects from N engine rotation modes based on camshaft movement and crankshaft movement, where N is an integer greater than two, and where at least one of the N rotation modes is an assisted spinning mode. A diagnostic module enables one or more engine diagnostic modes based on the selected engine rotation mode.08-27-2009
20090216421Method for experimenting engine controls parts - The problem to be solved by the present invention is to make it possible to scientifically test the performance of various engine control parts constituting a control system of an engine in various operation states when being mounted on an engine. Various engine control parts, which are actually attached to the engine and are necessary for engine control, are constructed in a state where electrical transmission and fuel supply are enabled in a manner similar to a case where the engine control parts are mounted on an actual engine, and model-based control is performed using numerical formulas on the same conditions as those of the actual engine on the basis of test data of the actual engine written in an electronic control unit constituting one of the engine control parts.08-27-2009
20090216419Methods and Apparatus for Optical Monitoring of Fluid - We describe a fuel monitoring system, comprising: an evanescent wave fuel sensor for monitoring said fuel, the sensor comprising a light source and a transducer for providing an electrical signal in response to light from said light source, and having a light path between said light source and said transducer including an evanescent wave sensing region; and a processor coupled to said fuel sensor, for converting said electrical signal from said transducer into a signal characterising said monitored fuel; and an output coupled to said processor, for outputting a signal responsive to said fuel characterising signal. We further describe apparatus for jointly determining depth of fluid in a tank and characterising the fluid according to depth, and a fluid storage tank having a three dimensional structure for containing fluid, and a three-dimensional array of fibre-optic sensors integrated into said tank structure. Embodiments may use cavity ring-down spectroscopy.08-27-2009
20100063707CONTROL METHOD AND DEVICE FOR A THERMAL ENGINE - A control device for a thermal engine includes: a thermal energy generator for generating thermal energy through combustion of air and fuel supplied thereto and adapted for supplying the thermal energy to the thermal engine such that the thermal engine is driven to generate a mechanical power output; a flow control device coupled to the thermal energy generator and operable to control amounts of the air and the fuel supplied to the thermal energy generator; and a control unit for controlling the flow control device to adjust the amounts of the air and the fuel supplied to the thermal energy generator based on an operating parameter of the thermal engine. A control method for the thermal engine is also disclosed.03-11-2010
20100063706Multi-Stroke Internal Combustion Engine - An internal combustion engine system and method of its operation are described. As one example, the method includes: repeatedly opening a first intake valve of a combustion chamber of the engine once every four piston strokes; transitioning operation of the combustion chamber from a four stroke cycle to a two stroke cycle by activating a second intake valve of the combustion chamber to repeatedly open once every four piston strokes during a different intake stroke than the first intake valve; and transitioning operation of the combustion chamber from the two stroke cycle to the four stroke cycle by deactivating the second intake valve in a closed position. In this way, the engine may be selectively operated in a two stroke cycle or a four stroke cycle by activating or deactivating or activating one of the intake valves while another of the intake valves continues to operate.03-11-2010
20110178692METHOD FOR CONTROLLING THE FLOW OF A COOLING LIQUID - A method for controlling flow of a cooling liquid in a combustion engine, including a casing and a water pump. A material temperature estimate, corresponding to the hottest point in the casing, is carried out from a stored power calculation calculated by a restored power integral corresponding to power restored to the cooling liquid if the cooling liquid were set in motion.07-21-2011
20110178691ACCELERATOR PEDAL TORQUE REQUEST SYSTEMS AND METHODS - An engine control system comprises a pedal torque request module, a filtering module, a selection module, and an arbitration module. The pedal torque request module determines a first pedal torque request at a first time and determines a second pedal torque request at a second time. The first time is before the second time. The filtering module determines a filtered pedal torque request based on the first pedal torque request, the second pedal torque request, and a filter coefficient. The selection module selects one of the second pedal torque request and the filtered pedal torque request. The arbitration module arbitrates between at least one driver torque request and the selected one of the second pedal torque request and the filtered pedal torque request, outputs a raw driver request based on a result of the arbitration, and controls at least one engine actuator based on the raw driver request.07-21-2011
20110251773INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. In some aspects, methods and arrangements are described for operating an engine in a throttled skip fire mode. In other aspects, methods and arrangements are described for controlling the operational state of a variable displacement engine.10-13-2011
20110098905CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Disclosed are a control device and a control method that are used with an internal combustion engine in which the air-fuel ratio in the vicinity of an ignition plug differs from the overall air-fuel ratio in a cylinder, and capable of properly fulfilling demands concerning various capabilities of the internal combustion engine by accurately reflecting each of the demands in the operation of each actuator. Three physical quantities, namely, a torque, an efficiency, and an air-fuel ratio, are used as controlled variables for the internal combustion engine. Target values for the controlled variables are then set by integrating at least some of demands concerning a capability of the internal combustion engine into the three physical quantities. Further, in accordance with the target values for the three controlled variables, namely, the torque, the efficiency, and the air-fuel ratio, three operation amounts, namely, an intake air amount adjustment valve opening, an ignition timing, and a fuel injection amount are set, and a fourth operation amount for adjusting the air-fuel ratio distribution in the cylinder is set.04-28-2011
20110087420ENGINE CONTROLLER - A system for controlling fuel to an engine to minimize emissions in an exhaust of the engine. There may be a controller connected to an actuator, for example a fuel control actuator, of the engine and to emissions sensors, such as an NOx and/or PM sensor, proximate to an exhaust output of the engine. The controller, for example a speed controller, may have an input connected to an output of a pedal or desired speed setting mechanism. A speed sensor at a power output of the engine may be connected to an input of the controller.04-14-2011
20110077837ENGINE CONTROL APPARATUS AND METHOD - A dynamic feedforward amount to realize a predetermined transient response characteristic by compensating a transient response characteristic of an engine having a Variable Nozzle Turbo (VNT) and an Exhaust Gas Recirculator (EGR) is calculated for a nozzle opening degree of the VNT and a valve opening degree of the EGR. The transient response characteristic of the engine responds to a setting value of an injection quantity or the like. Then, command values of the nozzle opening degree of the VNT and the valve opening degree of the EGR are calculated by using the dynamic feedforward amount. In the transient state, the followingness to the target value is improved.03-31-2011
20110077836ENGINE CONTROL APPARATUS AND METHOD - By using a model of a transient response characteristic of an engine and a model of a steady-state characteristic of the engine, a disturbance estimate value is calculated. By using this disturbance estimate value, initial command values of a nozzle opening degree of a Variable Nozzle Turbo and a valve opening degree of a Exhaust Gas Recirculator are adjusted in order to reduce model errors and appropriately handle the disturbance. Hence, it is possible to cause Mass Air Flow and Manifold Air Pressure to follow their target values stably.03-31-2011
20110071747CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - The present invention relates to a control device for a spark-ignition internal combustion engine provided with a cylinder pressure sensor and aims to facilitate optimal control of a combustion state even in a situation where an operating condition is variable.03-24-2011
20120303243VIBRATION DAMPING CONTROL DEVICE FOR VEHICLE - A vibration damping control device that controls driving power of a vehicle to suppress pitch vibration or bounce vibration includes: a vibration damping control unit that controls a driving torque of an engine so as to suppress the amplitude of the pitch vibration or bounce vibration on the basis of a wheel torque generated at a contact portion between a wheel of the vehicle and a road surface; and a compensating component regulating unit that varies the magnitude of a compensating component, which is calculated by a vibration damping control unit and which compensates the wheel torque for vibration damping control, on the basis of a change of characteristic, such as a wear state quantity of a movable portion of a throttle valve of the engine.11-29-2012
20120303242METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - In a method for operating an internal combustion engine comprising at least one a cylinder with a combustion chamber, wherein by means of at least one detection device assigned to the combustion chamber a first value characterizing the pressure in the combustion chamber is detected, wherein on the basis of the first value at least a second value characterizing a progression of the energy released during a combustion in the combustion chamber is determined, on the basis of the second value at least a third value is determined, by means of which the progression of the combustion is subdivided into at least two sub-curves and one of the sub-curves is assigned to a normal combustion for operation of the internal combustion engine and the other of the sub-curves is assigned to a special combustion differing from the normal combustion.11-29-2012
20120303241SECONDARY AIR SUPPLY SYSTEM AND SECONDARY AIR SUPPLY METHOD FOR INTERNAL COMBUSTION ENGINE - In an internal combustion engine that includes a first secondary air supply unit having a first air pump and a first air switching valve and a second secondary air supply unit having a second air pump and a second air switching valve, a time difference is provided between the operation start timing of the first air pump and the operation start timing of the second air pump, and the open timing of the first air switching valve and the open timing of the second air switching valve are set so as to be simultaneous with each other.11-29-2012
20120303240METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A method for operating an internal combustion engine includes measuring pressure values in a combustion chamber during an engine cycle and a corresponding value of crankshaft angular position for each pressure value and selecting values from the pressure values and the corresponding value of crankshaft angular position for each selected value. The corresponding values of the crankshaft angular position are used to calculate a corresponding inner volume value of the combustion chamber for each of the selected pressure values. For each of the selected pressure values and the corresponding inner volume value, a polytrophic constant is calculated according to C=pV11-29-2012
20120303239WASTEGATE CONTROL SYSTEM FOR BOTH CURRENT-CONTROLLED AND ON/OFF PWM-TYPE SOLENOIDS - A wastegate control system includes a wastegate control module configured to operate in one of a first PWM mode and a second PWM mode. A first transistor includes a control terminal connected to the wastegate control module, a first output terminal, and a second output terminal. A clamp circuit is connected to the first output terminal and the second output terminal of the first transistor. A second transistor includes a control terminal connected to the wastegate control module, a first output terminal, and a second output terminal. A diode has an anode connected to the second output terminal of the first transistor and a cathode connected to the first output terminal of the second transistor.11-29-2012
20120303238CYLINDER PRESSURE SENSOR COMPENSATION SYSTEMS AND METHODS - A sensor reset system includes an engine control module and a sensor reset circuit. The engine control module is configured to receive a sensor pressure signal from a cylinder pressure sensor. The sensor pressure signal indicates a pressure within a cylinder of an engine. The engine control module is further configured to: control operation of the engine based on the sensor pressure signal; determine whether to reset the cylinder pressure sensor and generate a reset signal; and encode the reset signal to generate an encoded reset signal. The sensor reset circuit is configured to adjust an output of the cylinder pressure sensor based on the encoded reset signal to reset the cylinder pressure sensor.11-29-2012
20100305828METHOD FOR CHECKING THE OPERATIONAL CAPABILITY OF A FUEL TANK VENTILATION VALVE - A method for checking the operational capability of a fuel tank ventilation valve (12-02-2010
20110010070FUEL INDICATOR METHOD - A method for operating a vehicle is provided. The method includes, in one example during a first a rate of change of an inclination of the vehicle, adjusting a fuel level indication based on the inclination and a level of fuel within the fuel tank; and during a second rate of change of the inclination different from the first rate of change, adjusting the fuel level indication based on actual fuel consumption of the engine. In this way, it is possible to provide an accurate fuel level indication based on the inclination when the inclination is not changing too quickly. However, when inclination is changing quickly and may give degraded level readings, it is still possible to provide an accurate fuel level by transiently estimating fuel usage and using, for example, a previous fuel level reading from when the inclination was not changing too quickly.01-13-2011
20110257866METHOD FOR IDLE SPEED CONTROL - A method is disclosed for controlling engine output in a vehicle having a hydraulic power steering system. The method may include, during an idle condition where an engine speed is set to an idle speed, adjusting engine output based on a learned absolute steering wheel angle to compensate for changes in engine load caused by operation of the hydraulic power steering system. The learned absolute steering wheel angle may be based on a steering wheel angle relative to a steering wheel position at vehicle startup and operating conditions from previous vehicle operation before the vehicle startup.10-20-2011
20100121554HYBRID DRIVE HAVING VALVE DEACTIVATION - A hybrid drive has at least one internal combustion engine having at least two cylinders, as well as at least one electric machine having at least one electric motor function and at least one generator function. The hybrid drive is arranged so as to operate all the cylinders of the at least one internal combustion engine in a full-load operation and so as to shut down at least one of the at least two cylinders in at least one part-load operation, at least one additional one of the at least two cylinders of the at least one internal combustion engine being operated. In the at least one part-load operation, the at least one shut-down cylinder has pressure applied to it, e.g., an overpressure by a combustion mixture that was combusted last.05-13-2010
20110213542METHOD OF CONTROLLING AN INTERNAL COMBUSTION ENGINE AND CORRESPONDING INTERNAL COMBUSTION ENGINE - A method of controlling an internal combustion engine that includes an exhaust line fitted with a particulate filter, the method including: a) acquiring a charge parameter relating to a fill level of the particulate filter, b) comparing the charge parameter with at least one determined threshold, and c) bringing the internal combustion engine to a set operating point determined as a function of various criteria of differing levels of importance. Prior to c) and with one of the criteria being the mass flow rate of particles entering the particulate filter, a constraint level coefficient is determined as a function of the result of the comparing b) and applied to the particulate mass flow rate to weight importance of this criterion in determining the engine operating point. Thus, the engine is controlled taking account of the fill level of the particulate filter, making it possible to optimize a compromise between constraint on the particulate flow rate through the exhaust line and other engine control constraints.09-01-2011
20110251775ENGINE OUTPUT CONTROL DEVICE - The gross output power of an engine distributed to at least one main machine and one auxiliary machine. A total load value calculation unit calculates the value of the lost power consumed by the auxiliary machine, and calculates the value of total load power by adding to this lost power value a target value for the main output power of the engine to be distributed to the main machine. A gross output value control unit controls the value of the gross output power so that the value of the gross output power becomes equal to the value of the total load power when the value of the total load power is less than a predetermined threshold value, and so that the value of the gross output power becomes equal to the above described threshold value when the value of the total load power is greater than the threshold value.10-13-2011
20110251772DUAL INJECTION FOR TORQUE REDUCTION - A system comprises a torque control module, a combustion prediction module, and a fuel control module. The torque control module sets spark timing of an engine to produce a drive torque and determines an amount of delay to add to the spark timing to decrease the drive torque by a predetermined torque. The combustion prediction module predicts whether a single injection of fuel will combust in a cylinder of the engine when the amount of delay is added to the spark timing. The fuel control module actuates a plurality of separate injections of fuel into the cylinder when the combustion prediction module predicts that the single injection of fuel will not combust.10-13-2011
20090005953METHOD AND ASSOCIATED DEVICE FOR SENSING THE AIR/FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE - A method of sensing the air/fuel ratio in a combustion chamber of an internal combustion engine that may be easily implemented by a respective low-cost device includes a pressure sensor and a learning machine that generates a sensing signal representing the air/fuel ratio by processing the waveform of the pressure in at least one cylinder of the engine. In practice, the learning machine extracts characteristic parameters of the waveform of the pressure and as a function of a certain number of them generates the sensing signal.01-01-2009
20090024296SYSTEM AND METHOD FOR ESTIMATING VOLUMETRIC EFFICIENCY FOR ENGINES WITH INTAKE AND EXHAUST CAM PHASERS - An engine control module comprises a table that outputs a parked VE estimate based on an input parameter when intake and exhaust cam phasers of an engine are in a parked position. A calculation module calculates VE estimate when the intake and exhaust cam phasers are not in a parked position based on the parked VE estimate and a mathematical relationship.01-22-2009
20100004844CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE AND CONTROL METHOD OF THE CONTROL SYSTEM - When a catalyst warm-up request for promoting warm-up of a catalyst is issued and no negative-pressure increase request for increasing a negative pressure downstream of a throttle valve is issued, a control system of an internal combustion engine controls the ignition timing to the timing (ϑ0 + Δ ϑ1) obtained by correcting HIGH A the normal ignition timing (ϑ0) to be retarded by a correction amount &Delta, −ϑ1, and controls the degree of opening of the throttle valve to a throttle opening (TAO + ΔTA01-07-2010
20110153179METHOD FOR OPERATING A DIESEL ENGINE SYSTEM - A method is provided for operating a Diesel engine system. The diesel engine system includes, but is not limited to a Diesel engine, an intake line for feeding fresh induction air into the Diesel engine, an exhaust line for discharging exhaust gas from the Diesel engine, a Diesel Particulate Filter DPF located in the exhaust line, and an Exhaust Gas Recirculation EGR system for routing back exhaust gas into the Diesel engine. The EGR system includes, but is not limited to a long EGR route LRE that gets exhaust gas from the exhaust line downstream the DPF. The method includes, but is not limited to setting a soot threshold (Sth) for the amount of soot flowing into the LRE, determining the actual amount of soot (Saa) flowing into the LRE, and activating a LRE protection routine, if the actual amount of soot (Saa) exceeds the soot threshold (Sth).06-23-2011
20120203441LOW-DRAIN, SELF-CONTAINED MONITORING DEVICE - In one aspect, a vehicle monitoring apparatus includes an interface configured to connect to a diagnostic port of a vehicle, a processor coupled to the interface and configured to communicate with the diagnostic port and a sensor coupled to the processor and configured to detect a factor indicating the presence of a driver in the vehicle. The sensor causes the apparatus to transition from a first power mode to a second power mode upon detection of the factor. The apparatus draws more power from the vehicle in the second power mode than in the first power mode. The apparatus also includes a housing that includes the processor and the sensor.08-09-2012
20080243359General-purpose internal combustion engine - In a general-purpose internal combustion engine connectable to operating machines such as a snowplow, a washing machine and a wood chipper having an electronic control unit that controls operation of the operating machine when connected, there are provided a signal output terminal that is installed in the electronic control unit and outputs a signal generated by the electronic control unit to the operating machine and a signal selector constituted by a personal computer that selects a signal to be outputted by the signal output terminal from among signals in response to manipulation by an operator. The engine can be easily connected with any operating machine without a complicated electronic control unit, thereby improving versatility and convenience.10-02-2008
20090222188CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE HAVING MOTOR-DRIVEN SUPERCHARGER - The air flow inhaled into the internal combustion engine is calculated based on the operation state of the electric motor, the operational state of the bypass valve and the signal of the intake air flow sensor. Immediately after the bypass valve is opened when the electric motor is running, the air flow inhaled into the internal combustion engine may be calculated by acquiring the bypass air flow through the bypass passage and using the acquired bypass air flow to correct the intake air flow measured from the signal of the intake air flow sensor. Based on the calculated air flow inhaled into the internal combustion engine, control parameters which concern the output power of the internal combustion engine are adjusted.09-03-2009
20090210130METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - For operating an internal combustion engine a respective Lambda adaptation value (LAM_AD) assigned to a respective temperature range is adapted as a function of at least one corrective signal proportion of the Lambda controller in relation to a control parameter of the Lambda controller if a respective predetermined condition is fulfilled which requires that a quasi-stationary operating state obtains and the respective temperature range is adopted. The respective Lambda adaptation value (LAM_AD) is assigned a respective reference temperature in the respective temperature range. if a predetermined test condition is fulfilled, a check is made as to which of the Lambda adaptation values (LAM_AD) was adapted as a function of the at least one corrective signal proportion since the test condition was last fulfilled. a respective Lambda adaptation value not adapted as a function of the at least one corrective signal, which in relation to a respective assigned temperature range is adjacent to a respective Lambda adaptation value adapted as a function of the at least one corrective signal proportion, is checked as to whether it lies in a range of valid values, which in relation to the reference temperature of the respective adjacent adapted Lambda adaptation value, diverges in a predetermined manner starting from the respective adapted Lambda adaptation value. If it lies outside the predetermined diverging range of valid values, the non-adapted Lambda adaptation value (LAM_AD) is adapted, so that it lies approximately on the boundary of the closest range of valid values in relation to its value before the adaptation.08-20-2009
20090210129METHOD AND DEVICE FOR DETECTING THE PRESENCE OF AN EXHAUST GAS TREATMENT SYSTEM IN AN EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE - A method and device for detecting presence of an exhaust gas treatment system in an exhaust line of an internal combustion engine. The method determines the derivative of the temperature upstream of the treatment system, determines the derivative of the temperature downstream of the treatment system, and compares the downstream temperature derivative with a threshold value for detecting absence of the treatment system using a pre-determined upstream temperature derivative level.08-20-2009
20120065864METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINES IN HYBRID POWERTRAINS - A method for selectively creating vacuum in a hybrid powertrain controlled by a hybrid control processor and having an engine controlled by an engine control module includes requesting a pressure differential between a first intake point and a second intake point, wherein the first intake point and the second intake point are separated by a throttle. An actual torque capacity is calculated for the engine, wherein the actual torque capacity occurs when pressure is substantially equal at the first intake point and at the second intake point. A desired torque capacity is also calculated for the engine, wherein the desired torque capacity reduces the pressure at the second intake point relative to the pressure at the first intake point, such that the requested pressure differential is created. The engine is then operated at one of the desired torque capacity and the actual torque capacity.03-15-2012
20090187325METHOD FOR CONTROLLING A COMPRESSION-IGNITION INTERNAL COMBUSTION ENGINE AND CONTROL DEVICE FOR CONTROLLING A COMPRESSION-IGNITION INTERNAL COMBUSTION ENGINE - A method for controlling a compression-ignition internal combustion engine includes the following steps: predefining a setpoint combustion point for the compression-ignition internal combustion engine, predefining a calculation model for calculating a probable deviation of a future cycle of the internal combustion engine from the predefined setpoint combustion point while taking an ascertained actual combustion point of a completed cycle of the internal combustion engine into consideration, predefining a mean deviation for the internal combustion engine, operating the internal combustion engine for a first cycle and ascertaining an actual combustion point of the first cycle, calculating a probable deviation of a second cycle, which occurs after the first cycle, of the internal combustion engine from the predefined setpoint combustion point, comparing the calculated probable deviation of the second cycle to the predefined mean deviation, and ascertaining at least one operating variable for operating the internal combustion engine at least during the second cycle as a function of the comparison. In addition, a control device for controlling a compression-ignition internal combustion engine is described.07-23-2009
20110213541INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. Generally, an engine is controlled to operate in a skip fire variable displacement mode. Predictive Adaptive control is used to dynamically determine the working cycles to be skipped to provide a desired engine output.09-01-2011
20110213540INTERNAL COMBUSTION ENGINE CONTROL FOR IMPROVED FUEL EFFICIENCY - A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. In some aspects, methods and arrangements are described for operating an engine in a throttled skip fire mode. In other aspects, methods and arrangements are described for controlling the operational state of a variable displacement engine.09-01-2011
20110213539CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - Disclosed is an internal combustion engine control device that is capable of accurately estimating a turbine flow rate during a transient operation of an internal combustion engine with a turbocharger having a WGV. Steps are performed to acquire an exhaust gas flow rate mcyl (=mB), a WGV opening WG (=X), and a turbine rotation speed Ntb (=Na) during the transient operation of the internal combustion engine. Steps are then performed to calculate the turbine flow rate (=mtA) and exhaust gas flow rate mcyl (=mA), which prevail when the turbine rotation speed Ntb and WGV opening WG acquired during the transient operation are achieved during a steady operation. Next, a step is performed to calculate the turbine flow rate (=mtB) during the transient operation by applying the flow rate ratio of mtA to mA to the exhaust gas flow rate mcyl during the transient operation. Preferably, the turbine rotation speed Ntb during an Ntb transient operation is estimated by using a turbine flow rate change amount Δmt (=mtB−mtA) during the transient operation.09-01-2011
20110213538Method and related system of using crankcase pressure to to detect pre-ignition in spark ignition engine - Methods and a related system of preventing a pre-ignition event in a spark ignition engine. Unusual crankcase pressure fluctuations often occur prior to a Low-Speed Pre-Ignition (LSPI) event. A high speed high resolution pressure transducer (09-01-2011
20080319632Combustion Control Apparatus and Method for Internal Combustion Engine - A control apparatus for an internal combustion engine includes cylinder internal pressure sensors provided in each cylinder of an engine, and calculates a heat generation quantity in each cylinder based on the detected cylinder internal pressure and a crank angle. The control apparatus then obtains a combustion barycentric position, which is the crank angle at which a predetermined ratio of heat, of the total heat generation quantity in a combustion cycle, is generated. The control apparatus also calculates, based on the heat generation quantity, an actual starting point of combustion, which is a crank angle at which combustion actually started in the cylinder, and obtains the crank angle of the relative combustion barycentric position with respect to the actual starting point of combustion. When this crank angle exceeds an upper limit value, it is determined that combustion has truly deteriorated.12-25-2008
20090118971METHOD AND APPARATUS FOR DETERMINATION OF FAST ACTUATING ENGINE TORQUE FOR A HYBRID POWERTRAIN SYSTEM - An engine is coupled to an input member of a hybrid transmission and the hybrid transmission is operative to transfer torque between the input member and a torque machine and an output member to generate an output torque in response to an operator torque request. The torque machine is connected to an energy storage device. A method for controlling the engine includes determining a preferred input torque from the engine to the hybrid transmission based upon operator inputs to an accelerator pedal and a brake pedal, determining maximum and minimum allowable input torques from the engine to the hybrid transmission, controlling the engine at the preferred input torque when the preferred input torque is within the maximum and minimum allowable input torques, and controlling the engine based upon the maximum and minimum allowable input torques when the preferred input torque is outside one of the maximum and minimum allowable input torques.05-07-2009
20110257865IGNITION TIMING CONTROLLER OF INTERNAL COMBUSTION ENGINE - The apparatus of the present invention corrects a control target value of ignition timing using a multipoint learned value AGdp(n) for compensating for a change amount of the ignition timing caused by time-dependent change of the engine and a basic learned value AG(i) for compensating for a change amount of the ignition timing caused by a factor other than the aforementioned time-dependent change of the engine. In a multipoint learning range n in which the time-dependent change of the engine influences the ignition timing to a great extent, the control target is corrected using the multipoint learned value AGdp(n) and the basic learned value AG(i). In ranges other than the multipoint learning range n, the control target is corrected using only the basic learned value AG(i). Normally, only the learning of the multipoint learned value AGdp(n) is permitted in the multipoint learning range n, and only the learning of the basic learned value AG(i) is permitted in the ranges other than the multipoint learning range n. When it is determined that there is a possibility that fuel has been fed to a fuel tank, the learning of the multipoint learned value AGdp(n) is prohibited for a subsequent predetermined period (if NO in step S10-20-2011
20080319631METHOD AND DEVICE FOR OPERATION OF THE GLOW PLUGS OF A DIESEL ENGINE - A method and device for operation of glow plugs of a Diesel engine in which the type of glow plugs used is determined, by a parameter typical of the glow plugs, for example, the electrical glow plug resistance, being detected and evaluated. The detected values of the parameter typical of the glow plugs are compared with corresponding data for various types of glow plugs stored in the glow controller to determine the type(s) of glow plug(s) in the engine. After identification of the type(s) of glow plug(s), stored sets of parameters, which correspond to the type(s) of glow plug(s) determined, are likewise called upon to control the glow plugs.12-25-2008
20080255748Control device for hybrid vehicle drive apparatus - When the power transmitting path in an automatic shifting portion (10-16-2008
20080255747Device for Controlling an Internal Combustion - A device for controlling an internal combustion engine includes a control unit that reads out data from a data medium and/or writes data into this data medium and uses it for control, the data medium being assigned to at least one actuator, and this actuator containing characterizing data. The data is read out from the data medium and/or the data is written into the data medium by an oscillating circuit, whose components are situated in the control unit and/or in a circuit assigned to the actuator.10-16-2008
20110004394METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A first camshaft misalignment value is determined from a measurement variable allocated to an engine air flow path. A second misalignment value is determined from a first operating variable outside of the air flow path. A trouble-free operation is identified when both values are smaller than a predefined first threshold. Misalignment is confirmed when one of both values is greater than the first and a difference between both values is smaller than a predefined second threshold. An air flow path fault is identified when the first value is greater and the second value is smaller than the first threshold and when the difference between both values is greater than the second threshold. A fault outside of the air flow path is identified, when the second value is greater and the first value is smaller than the first threshold and when the difference is greater than the second threshold.01-06-2011
20110004393METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - A method for operating an internal combustion engine in which combustion air is supplied to a combustion chamber of the internal combustion engine, which air is compressed with the aid of a pulse supercharger, the pulse supercharger being controlled in such a way that optionally, in a first operating mode, the combustion air is compressed in order to support a compressor of a turbocharger, or in a second operating mode, the combustion air compressed with the aid of the compressor is cooled.01-06-2011
20110054760CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - To provide a control apparatus for an internal combustion engine which can effectively utilize a scavenging effect while suppressing a torque difference in the internal combustion engine provided with a variable valve mechanism which makes a valve overlap period variable.03-03-2011
20080234915CONTROL DEVICE FOR HYBRID VEHICLE DRIVING DEVICE, AND CONTROL METHOD FOR THE DRIVING DEVICE - A hybrid vehicle driving device is capable of causing a motor-powered travel of a hybrid vehicle in which only an electric motor is used as a drive force source, by driving the electric motor with electric power from an electric storage device while a rotational driving of an internal combustion engine has been stopped. A control device for the hybrid vehicle driving device includes a rotational drive portion that determines whether or not supply of a lubrication oil to at least a portion of the power transmission device by the lubrication oil supply device is necessary based on a travel distance in the motor-powered travel following a stop of the rotational driving of the internal combustion engine, and rotationally drives the internal combustion engine based on determination as to need for the supply of the lubrication oil.09-25-2008
20100292907SLIDING MODE CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A system and method for using a sliding mode control algorithm to control flow rates from air handling actuators and fuel injectors of an internal combustion engine. The sliding mode control is based on an engine model that represents the engine in terms of pressure and oxygen content states of the intake and exhaust manifolds (as a linear term) and controllable flow rates (as a nonlinear term).11-18-2010
20110118953ABNORMAL COMBUSTION DETECTION METHOD FOR INTERNAL-COMBUSTION ENGINES FROM COMBUSTION INDICATOR DISTRIBUTION MODELLING - An abnormal combustion detection method for spark-ignition internal-combustion engines, from combustion indicator distribution modelling is disclosed. At least one combustion indicator such as CA10 is determined. The distribution of N values of this indicator, acquired over N cycles preceding the cycle in progress, is modelled by determining coefficients of a theoretical distribution law. Modelling is repeated by removing extreme values from among the N values or for various working points of the engine, to obtain an evolution of the coefficients. At least one parameter characterizing evolution of at least one of these coefficients is determined. The start of an abnormal combustion is detected by comparing the parameter with a predetermined threshold, and the course of the abnormal combustion detected in the combustion chamber is controlled.05-19-2011
20110118954CONTROL APPARATUS FOR A VEHICLE HAVING A PRIME MOVER - The control apparatus for a vehicle having a prime mover is applied to a vehicle having an air conditioning mechanism which performs the air conditioning in the vehicle interior by using the cooling water of the internal combustion engine. The engine stop permitting unit permits stopping the internal combustion engine based on the requested load of the internal combustion engine, when the cooling water temperature becomes equal to or higher than the engine stop permitting water temperature. The engine activating unit activates the internal combustion engine when the cooling water temperature becomes lower than the engine activation requesting water temperature, which is set to be lower than the engine stop permitting water temperature. The correcting unit corrects the engine stop permitting water temperature to be higher in the case that the vehicle speed is high, than in the case that the vehicle speed is low.05-19-2011
20110118952GLOWPLUG TEMPERATURE CONTROL METHOD AND DEVICE FOR THE REDUCTION OF EMISSIONS FROM A DIESEL ENGINE - A method is provided for reducing emissions behind a catalytic converter in an exhaust gas stream of the engine. The method includes, but is not limited to controlling a power supply to a glowplug of a compression-ignition engine. The glowplug is activated if a set of at least two input values remains in a first characteristic region of an input parameter space for at least a predetermined activation time. The first characteristic region consists of one ore more contiguous regions of the input parameter space.05-19-2011
20110137537OPERATING AN ENGINE WITH REFORMATE - The present description relates to operation and control of a fuel reformer. In one embodiment, an engine constituent is adjusted in response to limiting an amount of reformate supplied to the engine during a condition of reformer degradation. The approach can improve engine operation.06-09-2011
20110137538METHOD FOR DETERMINE GAS PRESSURE IN AN EXHAUST AFTER-TREATMENT SYSTEM - A method, a computer readable medium embodying a computer program product, and an apparatus are provided determining a pressure in an exhaust line of an internal combustion engine. The internal combustion engine has at least a combustion chamber with an associated exhaust line including, but not limited to a muffler and an after-treatment system. The after-treatment includes, but is not limited to units that are serially connected for at least reducing and preferably substantially eliminating emissions due to combustion products. The method includes, but is not limited to determining the pressure value upstream the muffler, and determining the pressure value upstream each unit of the after-treatment exhaust system by means of the equation P06-09-2011
20100305827DEVICE FOR THE CENTRALIZED MANAGEMENT OF MEASUREMENTS AND DATA RELATING TO THE LIQUID AND GAS FLOWS NEEDED FOR THE OPERATION OF A COMBUSTION ENGINE - The invention relates to a device for the centralized management of measurements and data relating to liquid and/or gas flows needed for the correct operation of a combustion engine controlled by an engine computer and/or of a vehicle, said device comprising means for analyzing at least two liquid and/or gas flows including at least one light source, at least one optical signals detector and at least one system for analyzing the detected signals. At least one of said analysis means is used to analyze two of said flows. In this way, this device minimizes the bulk and added mass incurred by the analytical methods employed to analyze the various flows and simplifies the management of such a system.12-02-2010
20090048757CONTROL STRATEGY FOR TRANSITIONING AMONG COMBUSTION MODES IN AN INTERNAL COMBUSTION ENGINE - An internal combustion engine is selectively operative in one of a plurality of combustion modes. Engine operation is monitored and program code is concurrently executed to operate the engine in a first combustion mode and in a second combustion mode. The engine is preferentially operated in the second combustion mode when the engine operation is within a predetermined area, and selectively operated in the first combustion mode based upon the monitored engine operation.02-19-2009
20110035132METHOD FOR AUTOMATICALLY CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method for automatically controlling an internal combustion engine, in which an axial displacement (s(t)) and an angle of rotation (w(t)) of a gas-exchange valve are measured during a valve stroke. A displacement deviation is computed from the displacement (s(t)) relative to a reference valve, and an angle of rotation deviation is computed from an initial value and an end value of the angle or rotation. The further operation of the internal combustion engine is set on the basis of the displacement deviation and the angle of rotation deviation.02-10-2011
20110004392APPARATUS FOR CONTROLLING THE AMOUNT OF WASTE HEAT OF AN ENGINE - An apparatus is provided for application to a waste heat reuse system that recovers and reuses engine waste heat, and for controlling the amount of waste heat based on a requested heat amount of a heat utilization request. In the apparatus, an overlap angle between a valve-opening period of an intake valve and that of an exhaust valve of the engine is controlled based on an engine driving condition. Ignition timing of the engine is controlled to fall on maximum-efficient timing that minimizes fuel consumption in a current engine driving condition. When a requested heat amount cannot be satisfied, overlap-increase control is performed to increase an overlap angle, and ignition advance control is performed to advance ignition timing with reference to a maximum-efficient timing that corresponds to the increased overlap angle. Waste heat amount of the engine is controlled with the overlap-increase control and the ignition advance control.01-06-2011
20090171550CONTROLLER FOR INTERNAL COMBUSTION ENGINE - An engine has cylinders respectively connected to branch pipes branched from a main pipe as an intake manifold. Fuel injection valves are attached to branch pipes, respectively. Further, branch pipes are connected to branch pipes branched from an EGR pipe on a downstream side of EGR valve, and exhaust gas introduced from EGR valve is fed to each of branch pipes. ECU detects imbalance of air-fuel ratio among cylinders, based on cylinder-by-cylinder air-fuel ratio detected by air-fuel ratio sensors provided on branch pipes as an exhaust manifold. If there is an imbalance in air-fuel ratio among cylinders, EGR valve is closed and imbalance in air-fuel ratio among cylinders is again detected.07-02-2009
20090171548System and method for operating a vehicle - A method of operating a vehicle including, during operation of the engine, receiving a control signal broadcast from outside the vehicle including instructions for modifying a vehicle operating parameter and modifying the vehicle operating parameter in accordance with the instructions.07-02-2009
20090171549Condition-sensitive exhaust control - A method and exhaust control system for controlling a vehicle, including adjusting a vehicle parameter in response to a determined ambient condition or to local time.07-02-2009
20090171547Traffic-sensitive engine control - A method and engine control system for controlling a vehicle, including determining an acceptable range for an engine operating parameter responsive to traffic conditions and directing the engine to maintain the engine operating parameter within the acceptable range.07-02-2009
20090204308Configuring an engine control module - Method and systems are provided for configuring operations of an engine control module. In one implementation, a method is provided. According to the method, configuration parameters defining an operational range of an engine are received. Furthermore, data specifying performance requirements of the engine is received from the engine control module. The method determines whether the configuration parameters meet the performance requirements.08-13-2009
20100121555METHOD AND DEVICE FOR OPERATING A COMBUSTION ENGINE - A method for setting a combustion in a combustion engine, particularly in a diesel engine, having the following steps of generating a manipulated variable, particularly a point of injection (PI), as a function of a combustion feature (MFB50%), the combustion feature (MFB50%) representing a condition in cylinder, especially a pressure characteristic in the cylinder, and setting the combustion in cylinders of the combustion engine with the aid of the manipulated variable, the manipulated variable further being generated as a function of a correction value (CV), which is determined as a function of combustion information (dQ05-13-2010
20120310507METHOD AND DEVICE FOR CONTROLLING AN SCR CATALYTIC CONVERTER OF A VEHICLE - The present invention provides for a method and apparatus for controlling an SCR catalytic converter (12-06-2012
20120310506TORQUE CONTROL SYSTEMS AND METHODS - A system of a vehicle includes a fueling prediction module, a short pulse determination module, a torque control module, and a generator control module. The fueling prediction module generates N predicted fueling pulse widths for N future combustion events of an engine, respectively. N is an integer greater than one. The short pulse determination module determines a number of the N predicted fueling pulse widths that are less than a predetermined period. The torque control module selectively increases a torque output of the engine based on the number. The generator control module selectively increases a load imposed by a generator of electricity based on the number.12-06-2012
20120310505SYSTEM AND METHOD FOR ESTIMATING INDICATED MEAN EFFECTIVE PRESSURE OF CYLINDERS IN AN ENGINE - A system for an engine includes first, second, third, and fourth modules. The first module determines an expected response of crankshaft speed due to combustion within a cylinder of the engine. The second module determines a value based on the expected response and a measured response of crankshaft speed due to combustion within the cylinder of the engine. The third module estimates an indicated mean effective pressure (IMEP) for the cylinder of the engine based on the value. The fourth module selectively adjusts an operating parameter of the engine based in the estimated IMEP.12-06-2012
20100082219Engine Using Glow Plug Resistance For Estimating Combustion Temperature - An internal combustion engine includes an engine block defining at least one cylinder therein. A cylinder head is attached to the engine block and defines a combustion chamber with the at least one cylinder in the engine block. A piston is disposed within the at least one cylinder. A glow plug is disposed within the combustion chamber. A resistance of the glow plug is detected and an estimated combustion temperature is determined based upon the detected resistance of the glow plug. The engine is then controlled based upon the estimated combustion temperature established from the glow plug resistance.04-01-2010
20100082220TORQUE BASED CLUTCH FUEL CUT OFF - An engine control system comprises a clutch cut off enable module and a torque control module. The clutch cut off enable module generates an enable signal based on a clutch engagement signal and an accelerator pedal signal. The torque control module reduces a spark advance of an engine to a minimum value and disables fueling of cylinders of the engine based on the enable signal. The minimum value is a minimum allowed spark advance for current engine airflow.04-01-2010
20090292440Control Apparatus for Multi-Cylinder Internal Combustion Engine - Provided is a control apparatus for a multi-cylinder internal combustion engine equipped with fuel injection valves provided respectively for the cylinders including: a revolution measuring means for measuring a revolution speed for a predetermined angle for each cylinder; an inter-cylinder revolution-difference calculating means for calculating, from the measured revolution speed, a difference in revolution speed between a cylinder of current explosion and a cylinder of the previous explosion; an injection amount correcting means for adjusting the average amount of injection of the fuel injection valves of all the cylinders in accordance with the inter-cylinder differences in revolution speed after the cold start of the engine calculated by the inter-cylinder revolution-difference calculating means; an inter-cylinder revolution-difference averaging means for averaging the differences in revolution speed, calculated by the inter-cylinder revolution-difference calculating means, each between the cylinder of current explosion and the cylinder of the previous explosion; and a torque adjusting means for adjusting the torque of each cylinder so that the average value of the inter-cylinder revolution differences calculated by the inter-cylinder revolution-difference averaging means can be reduced close to zero.11-26-2009
20090204310Portable, Palm-Sized Data Acquisition System for Use in Internal Combustion Engines and Industry - A portable, palm-sized, Data Acquisition System including an apparatus to measure engine thermo-events, a wiring harness having signals for collecting, recording, and transmitting engine performance data and identifying the engine being monitored, and an acquisition server (DAS) for collecting and transmitting data from the thermo-measuring apparatus and wiring harness, is taught. There also is a Web-server, an Ethernet network interface, software, an SPI bus interface requiring only three signals for communication, and a software system that records, stores, processes, transmits, displays, and analyzes data pertaining to any combustion engine performance and other industrial engine applications. The use of fiber optic cable for electronic communication provides for the DAS to be installed a distance from the engine. The DAS is share-able between several engines, is user friendly, is low cost to manufacture, affordable, and has a flexible signaling feature that works with systems that use, and do not use, telemetry.08-13-2009
20120150415Ion Sense and Control for Ignition Energy Management - A system and method for operating an engine having ionization signal sensing include detecting plug fouling and controlling the engine using progressively more aggressive control strategies if the fouling condition persists. A first control strategy may be used when the number of engine starts or running time are below corresponding thresholds and a second strategy otherwise. The first strategy may employ progressively more aggressive control procedures to eliminate spark plug deposits that may include repetitive sparking, exhaust cycle sparking, increasing engine loading, advancing spark timing, increasing air/fuel ratio, and increasing idle speed, for example. The second strategy may include similar corrective actions employed in a different order and/or to a lesser degree in an attempt to eliminate plug fouling without any noticeable change in engine operation or performance as perceived by the vehicle operator. The control strategies may be applied to individual cylinders, cylinder banks, or all cylinders.06-14-2012
20120209496CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - This invention provides a control apparatus for an internal combustion engine that can accurately determine the existence or non-existence of an operational abnormality of a WGV in an internal combustion engine with a turbocharger that is equipped with an EGR system. The internal combustion engine includes a turbocharger, a WGV arranged in an exhaust bypass passage, an EGR valve arranged in an EGR passage, and a pressure sensor that acquires an intake pipe pressure of the internal combustion engine, The existence or non-existence of an operational abnormality of the WGV is determined based on a change in an intake pipe pressure when a valve opening request to the WGV is acquired. At such time, the EGR valve is controlled so as to enter a predetermined open state prior to the valve opening request to the WGV. Further, the existence or non-existence of an operational abnormality of the EGR valve is also jointly determined based on a change in the intake pipe pressure when a valve opening request to the EGR valve is acquired.08-16-2012
20100030447METHOD TO CONTROL VEHICULAR POWERTRAIN BY MONITORING MAP PREVIEW INFORMATION - A method of operating a vehicular powertrain including an internal combustion engine includes monitoring map preview information, determining a projected vehicle path based upon the map preview information, determining likely engine operation demands along the projected vehicle path, wherein the likely engine operation demands include likely required engine speeds and likely required engine loads, determining selectable engine operating modes at each likely engine operating demand, and executing engine operation based upon the selectable engine operating modes.02-04-2010
20100017095INTERNAL COMBUSTION ENGINE CONTROL DEVICE - The present invention provides an internal combustion engine control device which is capable of implementing a plurality of functions desired to the internal combustion engine. An adder unit determines a total energy E_total that should be generated by the engine by adding a target work, a target exhaust energy and cooling heat loss, which are calculated in a style of energy. A target fuel supply quantity calculation unit calculates a target fuel supply quantity necessary for generating the E_total. A target intake quantity calculating unit calculates a target intake quantity based on the target fuel supply quantity and a target A/F. A target ignition timing calculation unit calculates a target ignition timing necessary for realizing the target exhaust energy.01-21-2010
20100004845SELF TUNING CYLINDER PRESSURE BASED HEAT RELEASE COMPUTATION - A method for automatic, heat release computation in a piston engine, comprises the steps of: measuring a cylinder pressure as a function of crank angle (see FIGURE), based on said measurement; calculating a first polytropic exponent for a compression stroke (in M), based on said measurement, calculating a second polytropic exponent for an expansion stroke (in M′); for a crank angle interval between the compression stroke and the expansion stroke, performing an interpolation of the first and second polytropic exponents and performing a net heat release computation based on said interpolated polytropic exponent.01-07-2010
20080208431DIESEL ENGINE EXHAUST AFTER-TREATMENT OPERATOR INTERFACE ALGORITHM - A motor vehicle operator interface and control algorithm convey diesel particulate filter regeneration status to the operator. The algorithm also allows new control over heretofore automatic regeneration, through limiting the inhibit function. The DPF after-treatment operator interface provides multiple status indications to the operator. In a preferred embodiment this is effected using a switched indicator lamp.08-28-2008
20100268433INTERNAL COMBUSTION ENGINE FEEDBACK CONTROL WITH VARIABLY SET GAIN - A controller (10-21-2010
20100057325TORQUE RESERVE AND EMISSION CONTROL SYSTEM FOR COORDINATED TORQUE CONTROL - A coordinated torque control system includes a catalyst module that generates a multi-mode enable signal based on a catalyst light off enable signal. A torque reserve module generates a torque reserve signal based on the multi-mode enable signal, an engine speed signal and an air per cylinder signal. The torque reserve module operates in a multi-pulse mode that is associated with injecting N pulses of fuel into a combustion chamber during a combustion cycle of the engine based on the multi-mode enable signal. N is an integer greater than or equal to 2.03-04-2010
20110307158APPARATUS TO CONTROL INTERNAL COMBUSTION ENGINE, METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM - An apparatus to control an internal combustion engine includes a cylinder operation controller configured to switch a cylinder operation between an all-cylinder operation and a cylinder deactivation operation. A deactivation time parameter integrating device is configured to integrate a deactivation time parameter indicating a deactivation time of the part of the plurality of cylinders to calculate an integrated deactivation time parameter. An inhibiting device is configured to inhibit the cylinder deactivation operation if the integrated deactivation time parameter calculated by the deactivation time parameter integrating device is larger than or equal to a reference value. The deactivation time parameter integrating device holds the integrated deactivation time parameter as an initial value after an operation of the internal combustion engine is stopped. The deactivation time parameter integrating device resumes integrating the deactivation time parameter using the initial value when the internal combustion engine restarts.12-15-2011
20110307159CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE - A control pattern corresponding to a ultra high expansion cycle is executed, wherein an actual timing IVCa of an intake valve closing timing is controlled to agree with a steady adapted value IVCt, an actual value εma of a mechanical compression ratio is controlled to agree with a steady adapted value εmt, and an ignition timing SA is controlled to agree with a steady adapted timing SAt. There are four cases that might be generated, including a case in which the IVCa is shifted toward a retard angle side or toward an advance angle side from the IVCt due to a response delay of a variable intake valve timing apparatus, and a case in which εma is shifted to a greater side or to a smaller side from the εmt due to the response delay of a variable compression ratio mechanism. With respect to each of four cases, there are two countermeasures, which are a countermeasure of “executing an intake valve closing timing correction or a mechanical compression ratio correction in order to return the actual value εca of the actual compression ratio to the steady adapted value εct”, and a countermeasure of “executing an ignition timing correction with the shift of the εca from the εct being maintained”. In the first embodiment, one of two countermeasures is selected for each of the four cases from the viewpoint of selecting “a pattern having the best fuel efficiency in the case in which to secure an output torque required by a driver takes first priority”.12-15-2011
20110307157AIRFLOW GENERATING DEVICE FOR ALTERNATOR COOLING AND VAPOR CANISTER PURGING - Various systems and methods for an engine in a vehicle which includes an airflow generating device coupled between an alternator and a fuel vapor canister are described. In one example, airflow from the airflow generating device is directed to cool the alternator during a first mode such as when the alternator temperature is greater than a threshold temperature. During a second mode when the alternator temperature is less than the threshold temperature and the engine is boosted, for example, the airflow from the airflow generating device is directed to assist purging of fuel vapors from the fuel vapor canister.12-15-2011
20100057324Ignition Energy Management With Ion Current Feedback To Correct Spark Plug Fouling - A system and method for operating an engine having ionization signal sensing include detecting plug fouling and controlling the engine using progressively more aggressive control strategies if the fouling condition persists. A first control strategy may be used when the number of engine starts or running time are below corresponding thresholds and a second strategy otherwise. The first strategy may employ progressively more aggressive control procedures to eliminate spark plug deposits that may include repetitive sparking, exhaust cycle sparking, increasing engine loading, advancing spark timing, increasing air/fuel ratio, and increasing idle speed, for example. The second strategy may include similar corrective actions employed in a different order and/or to a lesser degree in an attempt to eliminate plug fouling without any noticeable change in engine operation or performance as perceived by the vehicle operator. The control strategies may be applied to individual cylinders, cylinder banks, or all cylinders.03-04-2010
20090306875FUEL COMPOSITION RECOGNITION AND ADAPTATION SYSTEM - A method of operating an internal combustion engine. The method including monitoring a pressure in a combustion chamber of the engine during a compression stroke, determining whether a fuel composition has changed from a first composition to a second composition based at least in part on the monitored pressure, and triggering a fuel composition adaptation in response to a determination that the fuel composition has changed.12-10-2009
20100017094CONFIGURABLE AUTOMOTIVE CONTROLLER - An engine control unit having a one-time integration of a model predictive control template via a potentially long software process. Changes to the control structure may subsequently be made via a calibration dataset connected to the engine control unit without incurring the potentially long and laborious software process of implementing the template of other approaches in the related art.01-21-2010
20120041663ABNORMALITY DETECTING DEVICE FOR CONSTRUCTION MACHINE - Provided is an abnormality detecting device for a construction machine that can estimate an abnormality occurring to a component (engine, pump, etc.) of the construction machine based on the relationship among a plurality of pieces of sensor information and thereby prevent machine failure. A correlation coefficient calculation unit 02-16-2012
20110313634EGR CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An EGR control apparatus for an internal combustion engine, which is capable of accurately controlling an inert gas amount and an inert gas ratio of two types of EGR gas supplied to cylinders of the engine via two paths different from each other, thereby making it possible to ensure a stable combustion state and reduced exhaust emissions. The EGR control apparatus includes a low-pressure EGR device, a high-pressure EGR device, and an ECU. The ECU calculates a target low-pressure opening, calculates an estimated value of an in-cylinder low-pressure inert gas flow rate, which is the estimated value of an inert gas amount included in low-pressure EGR gas supplied to the cylinders via an intake passage, calculates a target high-pressure opening using the estimated value, and controls low-pressure and high-pressure EGR control valves, using the target low-pressure opening and the target high-pressure opening.12-22-2011
20090143954Engine exhaust after-treatment system - An engine exhaust after-treatment system is provided, which may include a particulate trap configured to remove at least some constituents of the exhaust flowing from an engine through an exhaust system. The system may also include a controller configured to collect in-service data related to an operating parameter indicative of the amount of time the engine operates. In addition, the system may include a memory device attached to the particulate trap and including a memory. The memory may be configured to store usage data indicative of how much time the particulate trap has been used in service. The memory may be configured to communicate with the controller to receive information related to the in-service data collected by the controller and update the usage data in the memory, based on the communication with the controller, to reflect a total amount of time the particulate trap has been in service.06-04-2009
20120046848SYSTEM AND METHOD FOR DETECTING ENGINE OIL AERATION AND STARVATION BASED ON ENGINE VIBRATION - An engine control system includes a determination module and a detection module. The determination module, based on an engine vibration signal generated by an engine vibration sensor, determines a frequency of engine vibration and determines a crankshaft position corresponding to the engine vibration. The detection module detects engine oil aeration and starvation when the frequency and crankshaft position are greater than predetermined thresholds, respectively.02-23-2012
20120253637DEFINING A REGION OF OPTIMIZATION BASED ON ENGINE USAGE DATA - Methods and systems for engine control optimization are provided. One or more operating conditions of a vehicle engine are detected. A value for each of a plurality of engine control parameters is determined based on the detected one or more operating conditions of the vehicle engine. A range of the most commonly detected operating conditions of the vehicle engine is identified and a region of optimization is defined based on the range of the most commonly detected operating conditions of the vehicle engine. The engine control optimization routine is initiated when the one or more operating conditions of the vehicle engine are within the defined region of optimization.10-04-2012
20120046850CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An apparatus for controlling an internal combustion engine that can estimate a quantity of heat generated is provided.02-23-2012
20120046851VARIABLE VALVE TIMING CONTROL APPARATUS FOR ENGINE - A variable valve timing control apparatus includes a variable valve timing device and a valve timing controller to control the variable valve timing device in a manner that an actual VCT phase coincides with a target VCT phase. When the target VCT phase is set into a predetermined phase, learning means learn the predetermined phase as a reference phase. When determining means determine that there is a learning requirement of the reference phase, enlarging means enlarge an engine operation area where the target VCT phase is set into the reference phase by shifting the target VCT phase to the reference phase in an area where the target VCT phase is close to the reference phase.02-23-2012
20120046849CONTROL SYSTEM AND METHOD BASED ON ESTIMATED ENGINE SPEED - A control system includes a speed determination module and a profile estimation module. The speed determination module determines previous engine speeds based on a predetermined profile of a crankshaft position sensor and previous pulse times corresponding to teeth on the crankshaft position sensor. The profile estimation module performs data fitting to determine an estimated profile of the crankshaft position sensor based on the previous pulse times and the previous engine speeds. The speed determination module determines present engine speeds based on the estimated profile and present pulse times corresponding to the teeth on the crankshaft position sensor.02-23-2012
20120046847METHOD FOR ESTIMATING AND CONTROLLING ACCOUSTIC NOISE DURING COMBUSTION - A method for controlling combustion in a direct injection internal combustion engine operable in a lean combustion mode includes monitoring in-cylinder pressure, utilizing a time-based filter to calculate an actual combustion noise based upon the monitored in-cylinder pressure, monitoring combustion control parameters utilized by the engine, determining an expected combustion noise based upon the monitored combustion control parameters, comparing the actual combustion noise to the expected combustion noise, and adjusting the combustion control parameters based upon the comparing.02-23-2012
20090192693CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A control system for an internal combustion engine is disclosed. In the control system, an engine state parameter is calculated using a self-organizing map for calculating a predetermined output parameter according to at least one engine operating parameter which indicates an operating condition of said engine. The engine state parameter indicates an engine state which is relevant to the predetermined output parameter.07-30-2009
20090299602ENGINE TORQUE RESERVE SYSTEM DIAGNOSTIC SYSTEMS AND METHODS - An engine control system of a vehicle comprises a reserves module and a fault diagnostic module. The reserves module controls airflow into an engine based on a driver torque request, increases the airflow into the engine when a reserve torque request is received, and outputs a torque output command for the engine based on the driver torque request. The fault diagnostic module selectively diagnoses a fault in the reserves module when the torque output command is greater than a sum of the driver torque request, a predetermined torque, and a load applied to the engine.12-03-2009
20120010801CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - In a control device which uses a specific physical quantity as a control variable of an internal combustion engine, and controls the internal combustion engine by manipulation of one or a plurality of actuators, switching of setting of a manipulation variable based on a required value of a physical quantity and setting of the manipulation variables by direct instruction to individual actuators is performed without generating discontinuity in a realized value of the physical quantity. When a manipulation variable instruction value directly designating a manipulation variable of an actuator is present, the manipulation variable instruction value is converted into a value of a physical quantity which is realized in the internal combustion engine by the operation quantity instruction value. When a deviation between a physical quantity conversion value converted from the manipulation variable instruction value and the physical quantity required value is within a predetermined range, switch of information for use in setting of the manipulation variable of each of the actuators is permitted.01-12-2012
20090099751Homogenous charge compression ignition engine and controlling method of the engine - An ECU switches a combustion mode of an HCCI engine from HCCI combustion to spark ignition combustion. The ECU executes the following operations a) and b) before switching an intake lift amount from a first intake lift amount to a second intake lift amount:04-16-2009
20080294324Engine Control Unit - An engine control unit for controlling an automobile engine, which is equipped with a booster circuit for boosting the voltage of battery power source, an injector driving circuit for driving an injector by making use of a boosted high voltage, and a microcomputer for controlling the engine; wherein the engine control unit is featured in that an LC module mounted with a booster coil constituting the booster circuit and with an electrolytic capacitor, a power module mounted with a rectifying device constituting the booster circuit and the injector driving circuit and with a switching device, and a control circuit board mounted with the microcomputer and with a connector acting as an interface for an external member of the engine control unit are laminated each other. The power module is partitioned into at least two portions and fixedly contacted, through a heat radiation part, with a housing cover, and heat radiation fins are arranged on an outer surface of the housing cover where the power module is disposed.11-27-2008
20110166766METHOD FOR CONTROLLING THE MOVEMENT OF A COMPONENT THAT MOVES TOWARDS A POSITION DEFINED BY A LIMIT STOP IN AN INTERNAL COMBUSTION ENGINE - A method for controlling the movement of a component that moves towards a position defined by a limit stop in an internal combustion engine; the control method comprises the steps of detecting, by means of at least one acoustic microphone, the intensity of the microphonic signal generated by the impact of the component against the limit stop; and determining the impact instant and/or the impact speed of the component against the limit stop by analyzing the intensity of the microphonic signal generated by the impact.07-07-2011
20110166765METHOD AND SYSTEM FOR FUEL VAPOR CONTROL - A method and system for fuel vapor control in a hybrid vehicle (HEV). The HEV fuel vapor recovery system includes a fuel tank isolation valve, which is normally closed to isolate storage of refueling from storage of diurnal vapors. The method for fuel vapor control includes selectively actuating the fuel tank isolation valve during interrelated routines for refueling, fuel vapor purging, and emission system leak detection diagnostics to improve regulation of pressure and vacuum the HEV fuel vapor recovery system.07-07-2011
20120016564Apparatus and Method for Use in Computational Fluid Dynamics - An apparatus includes a parallel computation unit including an input port and an output port and a one-dimensional computational fluid dynamics model. The input port is configured to sample at a time t01-19-2012
20120016565CONTROLLER FOR INTERNAL COMBUSTION ENGINE - When the operating characteristics of an intake valve are changed by an intake valve stop mechanism, an ECU outputs a command signal (control on) to a solenoid. At this time, a timing, at which the command signal is output to the solenoid, is determined on the basis of a rotational position of a crankshaft, calculated from a signal of a crank position sensor. However, the output timing is corrected on the basis of a rotational phase difference of a camshaft with respect to the crankshaft.01-19-2012
20120022764SYSTEM AND METHOD FOR OPTIMIZING FUEL ECONOMY USING PREDICTIVE ENVIRONMENT AND DRIVER BEHAVIOR INFORMATION - Disclosed is an exemplary method for optimizing vehicle performance. The method includes determining an optimized drive torque for maximizing vehicle fuel economy and detecting a driver requested drive torque. A determination is made on whether the driver requested drive torque is performance related or safety related. The arbitrated drive torque is set to the optimized drive torque when it is determined that the driver requested drive torque is not performance and safety related. The arbitrated drive torque is set to the driver requested drive torque when it is determined that the driver requested drive torque is either performance or safety related.01-26-2012
20120022763INTERNAL EXHAUST GAS RECIRCULATION CONTROL IN AN INTERNAL COMBUSTION ENGINE - An automotive electronic control unit for an internal combustion engine comprising at least one cylinder provided with at least one intake valve and at least one exhaust valve, and a variable intake and/or exhaust valve actuation system. The electronic control unit is programmed to control the variable valve actuation system so as to obtain an internal exhaust gas recirculation through the intake and exhaust valves and to control the internal exhaust gas recirculation based on a mathematical model that models the fluid-dynamic behaviour of an intake or exhaust valve as if this was a nozzle.01-26-2012
20120059567Method and device for operating a drive unit of a motor vehicle - A method is described for operating a drive unit of a motor vehicle, a setpoint torque being determined for driving the drive unit as a function of a driver request torque and an idle speed regulator torque being included in the driver request torque for determining the setpoint torque, and a drivability filter being applied for torque smoothing. In order to maintain the quality of the speed regulation and simultaneously make the drivability of the vehicle comfortable, the drivability filter is applied before or after the inclusion of the idle speed regulator torque in the driver request torque as a function of the instantaneous driving situation of the motor vehicle.03-08-2012
20120059566CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - In a control device for an internal combustion engine according to the present embodiment, the control device includes: cooling units arranged on a path where a coolant is circulated, and cooling an exhaust gas of an engine with the coolant flowing through the cooling units; an atmospheric pressure sensor detecting an atmosphere pressure; and ECUs deciding whether or not to perform an exhaust gas temperature control for suppressing a temperature of the exhaust gas based on whether or not a heat quantity is more than a decision value, and correcting the decision value to be lower as the atmosphere pressure is lower.03-08-2012
20110093182ESTIMATING ENGINE PARAMETERS BASED ON DYNAMIC PRESSURE READINGS - A method and system for estimating engine parameters in a combustion engine gas exchange system based on dynamic pressure readings taken by one or more pressure sensors. According to an exemplary embodiment, the method and system may use an artificial neural network (ANN) to process the dynamic pressure readings and any additional engine conditions that may have been provided.04-21-2011
20110093181METHOD FOR BIODIESEL BLENDING DETECTION BASED ON INTERNAL MEAN EFFECTIVE PRESSURE EVALUATION - A method for biodiesel blending detection in a internal combustion engine includes, but is not limited to a first evaluation of the internal mean effective pressure (IMEP) by means of measurements provided by a first sensor whose output is representative of the actual IMEP value, a second evaluation of the internal mean effective pressure (IMEP) performed measuring fuel conversion efficiency (FCE), injected fuel quantity (Q04-21-2011
20090198429APPARATUS, SYSTEM, AND METHOD FOR EFFICIENTLY INCREASING EXHAUST FLOW TEMPERATURE FOR AN INTERNAL COMBUSTION ENGINE - An apparatus, system, and method are disclosed for efficiently increasing exhaust flow temperature for an internal combustion engine. The method includes excepting a user input to disable an exhaust valve opening mechanism. The method further includes monitoring exhaust gas mass flows and temperatures, interpreting required exhaust temperatures for aftertreatment devices, and surveying a plurality of operating conditions for a combustion engine. The method includes determining a crankshaft angle for dynamically engaging an exhaust valve open mode based on the exhaust temperature, the required exhaust temperature, and the engine operating conditions. Dynamically engaging the exhaust valve open mode includes selecting a specific crankshaft angle for each combustion cycle of the engine.08-06-2009
20120209495VEHICLE CONTROL SYSTEM - There is provided a control system for a vehicle, wherein the control system controls an electric oil pump of the vehicle to start before an idling stop is brought about, when a condition on a vehicle speed is satisfied which is set in accordance with a variation of a running speed of the vehicle while the vehicle is running based on the driving force generated by a driving force generation unit thereof. Consequently, the electric oil pump can be started at an optimum timing before the idling stop is brought about.08-16-2012
20120158267VALVE WORKING ANGLE VARIABLE SYSTEM - A drive circuit (06-21-2012
20120109493EGR CONTROLLER FOR INTERNAL COMBUSTION ENGINE - By means of an air model, an estimated quantity of an exhaust gas flowing into a cylinder and a target quantity of the exhaust gas are computed. A deviation between the estimated quantity and the target quantity is multiplied by a feedback gain to obtain a feedback correction quantity. A reference opening degree of an EGR valve is defined according to an engine driving condition and the feedback correction quantity is added to the reference opening degree to obtain a command opening degree of the EGR valve. According to the engine driving condition and the deviation between the estimated quantity and the target quantity, a feedback gain is established so that control accuracy and control stability of a feedback control can be ensured.05-03-2012
20120109490METHOD FOR CONTROLLING THE SPEED OF AN INTERNAL COMBUSTION ENGINE SUPERCHARGED BY MEANS OF A TURBOCHARGER - A method controls an internal-combustion engine (05-03-2012
20120072092FUEL CONTROL DIAGNOSTIC SYSTEM AND METHOD - A diagnostic system for an engine includes an error detection module and a diagnostic module. The error detection module selectively detects a fuel control error based on a change in a fuel correction value used to determine a quantity of fuel supplied directly to an exhaust system. The diagnostic module identifies a cause of the fuel control error based on a period since a last refueling event. The diagnostic module identifies the cause as one of variation in an actual heating value of the fuel and faulty operation of a fuel injection system that supplies the fuel. The diagnostic module further identifies the cause based on a first amount of the fuel contained in a fuel tank at a start of the last refueling event and a second amount of the fuel added to the fuel tank during the last refueling event. A control system and method are also provided.03-22-2012
20120109495SKIP FIRE INTERNAL COMBUSTION ENGINE CONTROL - A variety of methods and arrangements for controlling the operation of an internal combustion engine in a skip fire variable displacement mode are described. In one aspect, the working chamber firing that are selected to deliver the desired engine output are determined at least in part based on torque feedback. The torque feedback may be an indication of the torque output of the engine or the torque experienced at some other location in the drive train. In some embodiments, the torque feedback signal is filtered to remove high frequency components of the torque feedback signal in order to help stabilize the system. In another aspect, other operational parameters are used as feedback in the determination of the firing sequence. In yet another aspect, a filter is arranged to filter a feedback signal to provide a filtered feedback signal that is used in the determination of the working chamber firings.05-03-2012
20120109492METHOD FOR CONTROLLING THE SPEED OF AN INTERNAL COMBUSTION ENGINE SUPERCHARGED BY MEANS OF A TURBOCHARGER - A method controls an internal-combustion engine (05-03-2012
20120109489ENGINE SOUND ENHANCEMENT IMPLEMENTATION THROUGH VARYING VEHICLE CONDITIONS - Engine sound enhancement (ESE) for a vehicle includes determining a current rate of change (ROC) in a position of an acceleration device of the vehicle from sensor data received from at least one sensor in communication with the acceleration device and calculating an ESE value based on the current ROC in the position of the acceleration device. The ESE value reflects an intensity and tone quality of at least one of the exhaust and the engine of the vehicle. The ESE also includes receiving a current RPM value, comparing the RPM value and the ROC in the position of the acceleration device to corresponding pre-defined threshold values, the pre-defined threshold values mapped to ESE tunings, and activating one of the ESE tunings when each of the current RPM value and the current ROC in the position of the acceleration device meets a corresponding pre-defined threshold value.05-03-2012
20120109488ENERGY-BASED CLOSED-LOOP CONTROL OF TURBINE OUTLET TEMPERATURE IN A VEHICLE - A vehicle includes an engine and an exhaust system which ignites fuel from fuel injectors to purify exhaust gas. An air compressor delivers compressed intake air to the engine, and a turbine energizes the compressor. A controller calculates an engine thermal efficiency value using temperature and mass flow rate values from various sensors. The controller maintains a temperature of the exhaust gas downstream of the turbine using the thermal efficiency value. A control system includes the sensors and a host machine operable for maintaining the temperature of the exhaust gas above the threshold using the thermal efficiency value. A method for maintaining the temperature of the exhaust gas includes measuring the inlet and outlet temperatures of an air intake system, measuring the mass flow rate of compressed intake air, and using the host machine to maintain the temperature of the gas using the thermal efficiency value.05-03-2012
20120179354Method and device for controlling the pressure inside a fuel tank - A method for controlling the pressure inside a fuel tank of an internal combustion engine of a motor vehicle includes relieving the pressure in the fuel tank when reaching a predetermined upper overpressure threshold value. In a device for controlling the pressure in the fuel tank, the pressure in the fuel tank is only relived partially, wherein the pressure relief is less than 20%, preferably less than 10% and optimally less than 5% of the upper overpressure threshold value in order to reduce the emission of volatile hydrocarbons into the environment.07-12-2012
20110066353Control device of internal combustion engine - A control device of an internal combustion engine includes: an air-fuel ratio modulator, performing modulation of an air-fuel ratio of an exhaust which flows in an exhaust purifier provided in an exhaust system of the internal combustion engine; a fluctuation detector, detecting a fluctuation of the internal combustion engine due to the modulation of the air-fuel ratio performed by the air-fuel ratio modulator; a feed-back controller, performing feed-back control of a driving control parameter of the internal combustion engine so as to suppress the fluctuation detected by the fluctuation detector; a determiner, determining whether or not a driving state of the internal combustion engine is in an operating area of the feed-back controller; and an operator, setting a fluctuation suppression target value, which is a target value for suppressing the fluctuation of the internal combustion engine, to operate the feed-back controller based on the fluctuation suppression target value, when the determiner determines that the driving state of the internal combustion engine is not in the operating area of the feed-back controller, while the air-fuel modulator performs the modulation of the air-fuel ratio.03-17-2011
20110066352SYSTEM AND METHOD FOR ENGINE AND FUEL SYSTEM MAINTENANCE - A control system for a vehicle includes a time determination module, a fuel age determination module, and an engine control module. The time determination module determines an engine off time, wherein the engine off time indicates an amount of time that an engine is off. The fuel age determination module determines an age of fuel in a fuel system of the engine. The engine control module starts the engine when one of the engine off time is greater than a predetermined time threshold and the age of the fuel is greater than a predetermined age threshold.03-17-2011
20110066351METHOD AND SYSTEM FOR CONTROLLING ENGINE PERFORMANCE - Methods, systems, and computer readable storage media are provided for operating a vehicle including an engine that may be automatically shutdown in response to AESS conditions. In one example, the method comprises, determining an AESS emission credit corresponding to an amount of AESS operation; and adjusting an engine operating parameter based on the determined AESS emission credit. Further, in another example, the method comprises retarding injection timing in response to manifold air temperature, wherein an amount of retard is adjusted responsive to an amount of AESS operation.03-17-2011
20110106403APPROACH FOR REDUCING OVERHEATING OF DIRECT INJECTION FUEL INJECTORS - A method of controlling fuel supplied to an engine is provided. In one example, a cylinder includes port and direct fuel injection. The method includes supplying a second fuel type from a second tank to the direct injector and supplying a first fuel type from a first tank to the port injector; and responsive to mis-fueling, supplying the first fuel type from the first tank to the direct injector. In response to receiving an indication of a mis-fuel, the direct fuel injector may be supplied with the second type of fuel from the second fuel storage tank. By supplying at least some fuel to the direct injector from a different source, fuel may be supplied to the DI fuel injector at various conditions to cool the DI fuel injector. In this way, overheating of the DI fuel injector may be reduced.05-05-2011
20110106401METHOD FOR CONTROLLING A POWERED SYSTEM - A method is provided for controlling a powered system including an engine operating on a plurality of fuel types. The method includes generating operational input signals from operational input devices, and generating a respective configuration signal indicative of a particular location of the powered system along a predetermined course comprising a mission. Additionally, based on the operational input signals, the configuration signal, and a respective engine emission profile for each of said configuration signal, the method includes generating control signals to a plurality of end use devices of the powered system to limit one or more of the total engine emissions of the fuel types, the total fuel efficiency of the fuel types, the total output power of the engine, a time of arrival of the powered system along the predetermined course, and/or a combination thereof.05-05-2011
20110106400ENGINE CONTROL SYSTEM WITH ALGORITHM FOR ACTUATOR CONTROL - An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with at least one of a combustion parameter or a controlled variable arithmetic expression. The combustion parameter arithmetic expression defines combustion conditions of the engine needed to achieve required values of engine output-related values such as exhaust emissions. The controlled variable arithmetic expression defines how to operate actuators for an operation of the engine to meet desired combustion conditions of the engine. The use of the combustion parameter or controlled variable arithmetic expression achieves simultaneous agreement of the engine output-related values with required values without mutual interference between combustion parameters associated with the combustion conditions.05-05-2011
20110106399ENGINE CONTROL SYSTEM WITH ALGORITHM FOR ACTUATOR CONTROL - An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with a controlled variable arithmetic expression which defines correlations between combustion parameters associated with combustion conditions of an engine and controlled variables actuators for an operation of the engine. This eliminates the need for finding relations of optimum values of the controlled variables to the combustion parameters through adaptability tests, which results in a decrease in burden of an adaptability test work and a map-making work on manufacturers. The engine control apparatus also works to learn or optimize the controlled variable arithmetic expression based on actual values of the combustion parameters, thereby avoiding undesirable changes in correlations, as defined by the controlled variable arithmetic expression, due to a change in environmental condition.05-05-2011
20110106398ENGINE CONTROL SYSTEM WITH ALGORITHM FOR ACTUATOR CONTROL - An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with at least one of a combustion parameter or a controlled variable arithmetic expression. The combustion parameter arithmetic expression defines combustion conditions of the engine needed to achieve required values of engine output-related values such as exhaust emissions. The controlled variable arithmetic expression defines how to operate actuators for an operation of the engine to meet desired combustion conditions of the engine. The use of the combustion parameter or controlled variable arithmetic expression achieves simultaneous agreement of the engine output-related values with required values without mutual interference between combustion parameters associated with the combustion conditions. The engine control apparatus also works to correct target values of fuel injection-related combustion parameters based on a response delay of an air-related combustion parameter, thereby ensuring the accuracy in achieving required values of the engine output-related values.05-05-2011
20110106397FLUID MEASURING DEVICE - Provided is a fluid measuring device for measuring flow speed of a fluid in detail. A fluid measuring device (05-05-2011
20110106396METHOD AND CONTROLLER FOR CHECKING AN EXHAUST GAS AFTERTREATMENT SYSTEM OF AN INTERNAL COMBUSTION ENGINE - The invention relates to a method for checking the operability of an exhaust gas after-treatment system (05-05-2011
20110106394METHOD AND SYSTEM FOR CONTROLLING AN ENGINE USING IN-CYLINDER PRESSURE SENSOR SIGNALS - A method and a control system that includes a window module that determines a piston position window, a mean effective pressure determination module that generates a mean effective pressure with in-cylinder pressure signals within the piston position window and an engine control module that controls the engine using the mean effective pressure.05-05-2011
20110106402CONTROLLER - A controller capable of immediately and high accurately controlling a detected value to a desired value in a controlled object having a large delay characteristic is provided. The controller for controlling a plant comprises a predictor (05-05-2011
20110106395PLASMA IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE - A plasma ignition device comprising: an ignition plug; an ignition circuit applying a high voltage to the plug to start discharge; a power supply circuit including a battery section for supplying an electric energy to a discharge space of the plug having impedance reduced by discharge start, and a charging section charging the battery section with a boosted voltage by a booster circuit, wherein the power supply circuit including: a first means 05-05-2011
20120123663Turbosupercharged internal combustion engine control method - A method of controlling an internal combustion engine supercharged by a turbosupercharger having a turbine and a compressor; the control method including the steps of: determining, in a reduced mass flow/compression ratio graph, at least one limit operation curve of the compressor representing a limit of the operating range of the compressor; controlling the turbosupercharger to keep the actual reduced mass flow and actual compression ratio of the compressor within the limit defined by the limit operation curve of the compressor; determining an index as a function of the dynamics of the reduced mass flow of the compressor; and modifying the limit operation curve of the compressor as a function of the index.05-17-2012
20080243355FULL RANGE TORQUE REDUCTION - An engine control system comprises a torque request module, an immediate torque control module, an actuation module, and an expected torque control module. The torque request module generates an expected torque request and an immediate torque request. The immediate torque control module controls a spark advance of an engine based on the immediate torque request. The actuation module selectively reduces the expected torque request based on the immediate torque request and a spark capacity. The spark capacity is based on a difference between a first engine torque and a second engine torque, determined at a current airflow. The first engine torque is determined at a first spark advance and the second engine torque is determined at a second spark advance that is less than the first spark advance. The expected torque control module that controls a throttle valve area based on the expected torque request.10-02-2008
20100094523Method for Operating a Group of Glow Plugs in a Diesel Engine - Method for controlling a group of glow plugs in a diesel engine, which are connected with a direct current source via individual supply lines and which are to be controlled by a pulse width modulation process at the same temperature, at least in time average. The electric resistance of the glow plugs, less the resistance of the supply line to the heating element of the glow plugs, is determined during operation of the engine and a relative pulse width at which the glow plugs are to be operated is calculated from the value so obtained.04-15-2010
20100094524Method and Device for Glowplug ignition Control - A device for glow plug excitation control is disclosed, in particular for a glow system (04-15-2010
20120316749VEHICULAR POWER SUPPLY DEVICE - A vehicular power supply device mounted on a vehicle equipped with an idle stop function is provided that enhances engine startability and suppresses a voltage drop at a battery driving the starter, so as to reduce energy consumption by the engine or other drive sources. The device includes a voltage converter for converting a DC voltage V12-13-2012
20090132144Apparatus and Method for Calculating Work Load of Engine - Work done by an engine can be accurately calculated regardless of the part in an observation section where the cylinder internal pressure signal is detected. The apparatus for calculating the work done by an engine establishes in advance correlation of phase between the cylinder internal pressure of the engine and a reference signal composed of a predetermined frequency component as a reference phase relation. A means for detecting the cylinder internal pressure of the engine for a predetermined observation section is provided. A reference signal corresponding to the detected cylinder internal pressure of the engine is calculated so that the reference phase relation is satisfied. A correlation coefficient of the detected cylinder internal pressure of the engine and the calculated reference signal is calculated for the observation section and the work done by the engine is calculated in accordance with the correlation coefficient.05-21-2009
20090132148METHOD AND DEVICE FOR DETERMINING THE AMBIENT PRESSURE BY MEANS OF A CHARGE PRESSURE SENSOR IN A TURBOCHARGED ENGINE - In turbocharged engines, there is the problem that, in particular under load, the ambient pressure (AMP) cannot be determined directly from the measurement values of a charge-pressure sensor (05-21-2009
20100250092Device and Method for Emulating an Actuator - The invention related to a device for emulating at least one first actuator, comprising at least one electric network that can be connected to at least one control electronic circuit, wherein the electric network is operatively connected to at least one second actuator by means of at least one first control and/or regulating unit and at least one first parameter of the electric network can be changed by means of the first control and/or regulating unit, and to a method for emulating at least one first actuator.09-30-2010
20120083992COMBUSTION DETECTING METHOD OF ENGINE - A combustion phase detection method of an engine has the advantages of being able to reduce exhaust gas and to improve combustion stability, to compensate injection and ignition delay time between combustion chambers and between cycles, and to detect a combustion phase in real time such that a heat generation rate and heat release can be effectively calculated in an early state of combustion with a simple calculation method to control combustion of an engine, by using a combustion pressure and a motoring pressure difference of an engine not affected by an offset value of the cylinder pressure. For this, a combustion phase detection method may include detecting a combustion phase by using a specific point of DRdV as follows:04-05-2012
20120083990PARTICULATE FILTER ASH LOADING PREDICTION METHOD AND VEHICLE USING SAME - A particulate filter ash loading prediction method including the steps of determining a maximum average time for the filter; performing a calculation of a running average of time between regenerations of the filter; calculating an end-of-service life ratio of the filter dependent upon the maximum average time and the running average. The method further includes the steps of determining a delta pressure adjustment factor to compensate for ash loading of the filter depending upon the end-of-service life ratio; and comparing the delta pressure adjustment factor to a predetermined maximum delta pressure value, and, if the delta pressure adjustment factor exceeds the predetermined maximum normalized delta pressure adjustment factor, then indicating that a service or replacement of the filter is needed due to the ash loading.04-05-2012
20120221225CONTROLLER FOR INTERNAL COMBUSTION ENGINE - When an engine is driven in a compression self-ignited combustion region, a fuel injector injects a fuel into a cylinder in a negative-valve-overlap period where an exhaust valve and an intake valve are both closed. Then, the fuel is injected into the cylinder in an intake stroke. The injected fuel is compressed in a compression stroke to be self-ignited. When it is determined that a steep combustion occurs and a fuel injection quantity in the negative-valve-overlap period is greater than a lower determination threshold, the fuel injection quantity in the negative-valve-overlap period is reduced. When the fuel injection quantity is not greater than the lower determination threshold, an oxygen quantity in the cylinder is reduced.08-30-2012
20120221224PRE-THROTTLE PRESSURE CONTROL SYSTEMS AND METHODS - A system for a vehicle includes a desired mass air flowrate (MAF) module and a desired effective area module. The desired MAF module generates a desired MAF through a throttle valve of an engine based on an engine torque request. The desired effective area module generates a desired effective area of the throttle valve based on a throttle inlet air pressure (TIAP) and the desired MAF. A throttle actuator module adjusts opening of the throttle valve based on the desired effective area.08-30-2012
20120221223Method of Operating a Vehicle Equipped With a Pneumatic Booster System - An apparatus and method for improving vehicle performance by application of pneumatic boost to vehicle engines, including diesel engines having at least one turbocharger supplying air to the engine, in a manner which increases engine torque output while minimizing the potential for exceed various operating limits to the maximum practicable extent. The vehicle's pneumatic booster system controller implements strategies for shaping the rate of the air injection during a boost event, tailoring the air injection to obtain maximum engine torque output while respecting the operating limits, by controlling the timing, duration, quantity and/or injection pattern during a boost event to achieve a refined distribution of compressed air injection over the course of the boost event to provide desired engine torque output and fuel efficiency while minimizing the potential for exceeding a wide variety of operation limits, regulatory, engineering and passenger comfort limits.08-30-2012
20120130619STOP CONTROL SYSTEM AND METHOD FOR INTERNAL COMBUSTION ENGINE - A stop control system for an internal combustion engine, which is capable of accurately stopping a piston at a predetermined position during stoppage of the engine while preventing occurrence of untoward noise and vibration. After stopping the engine 05-24-2012
20120166062MOTOR VEHICLE WITH AN EXHAUST GAS RETREATMENT SYSTEM AND METHOD FOR OPERATING THE MOTOR VEHICLE - A motor vehicle includes, but is not limited to an exhaust gas retreatment system. An additive is injected into an exhaust gas flow of a combustion engine and a vehicle operation or engine start can be influenced by a control unit as a function of a filling level of the additive in an additional tank. The control unit is coupled to a knowledge database and sensors for monitoring a vehicle environment, the signals of which feed the knowledge database. The control unit accessing the data of the knowledge database influences the driving operation or engine start.06-28-2012
20120130618METHOD AND DEVICE FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A method for diagnosing a malfunction of a sensor system in an air system of an internal combustion engine, said sensor system comprising a first air state sensor, a second air state sensor and a third air state sensor, wherein a first value and a second value of a first comparison variable are ascertained in two different ways in an overall calculation step such that the result of a comparison between the first value and the second value is a function of each of the output variables of the first, second and third air state sensors and wherein in a fault detection step, said method recognizes as a function of the comparison between said first value and said second value of the comparison variable that a fault exists in the sensor system.05-24-2012
20120316751SYSTEM AND METHOD FOR MONITORING ENGINE OIL PRESSURE - A system and method for determining the oil pressure of an internal combustion engine is disclosed herein. The system and/or method may estimate the oil pressure using the response of two variable camshaft timing actuators having respective phase angle change control signals. Specifically, the signals may be used to determine whether the oil pressure is below a low oil pressure threshold value. The rate of response of the actuators may also be used to determine a current engine oil pressure.12-13-2012
20100332104BI-FUEL CONVERSION DEVICE FOR AN INTERNAL COMBUSTION ENGINE - Disclosed is a system including a fuel conversion device for use with a conventional internal combustion engine having an engine control unit and electronic fuel injectors allowing a conventional vehicle to operate using more than one type of fuel. The system intercepts the ECU's command signals being transmitted to the injectors before they reach the injectors and modifies the signals for optimizing the combustion cycle depending upon the type of fuel used. The conversion device enables a conventional gasoline engine to run on an alternative fuel such as alcohol, gasoline, or any combination of the two.12-30-2010
20120259530STOP CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A stop control system for an internal combustion engine, which is capable of ensuring the comfort of vehicle occupants in a vehicle compartment and improving the fuel economy of the engine along with automatic stoppage of the engine during both a cooling operation and a heating operation of an air conditioner. When the engine is automatically stopped, the stop control system sets a target blowout temperature which is a target value of the temperature of air blown out from the air conditioner into a vehicle compartment, and acquires a fan voltage indicative of the air volume blown by a fan of the air conditioner. Further, the stop control system calculates stop allowable time based on the target blowout temperature and the fan voltage, and restarts the engine when engine stoppage time period (stoppage time period-counting timer value) has reached the stop allowable time.10-11-2012
20090018748SYSTEM AND METHOD FOR A PUMPING TORQUE ESTIMATION MODEL FOR ALL AIR INDUCTION CONFIGURATIONS - A system and method for controlling an engine involves providing a pumping torque estimation model. The model distinguishes between pumping losses due to throttling and pumping losses due to valve flow losses. The model is implemented by a pair of look-up tables. The data in each look-up table reflect Pumping Mean Effective Pressure (PMEP), which is indicative of the pumping work. The throttling loss table provides a first contribution based on an engine delta pressure. The valve flow loss table provides a second contribution based on an engine speed and a relative airload. The first and second contributions are summed and then multiplied by a predetermined factor to convert the pumping work (PMEP) into pumping torque. The model will work with naturally-aspirated, turbo-charged and super-charged air induction configurations and provides improved altitude compensation. The model will also work with both spark-ignition and compression-ignition configurations.01-15-2009
20100204898ENGINE CONTROL SYSTEM - This disclosure relates to a method of configuring an engine control system for controlling the engine of a vehicle. The method involves displaying one or more graphical representations of functional elements to be performed by the engine control system and then modifying the one or more functional elements by making changes to the displayed graphical representations. This allows the engine control system to be readily reconfigured by a user. This disclosure also relates to an apparatus for configuring an engine control system and a new engine control system. A computer program product including a computer readable medium having a computer program recorded on it for configuring an engine control system is also disclosed.08-12-2010
20100063708Diesel cycle internal combustion engine - The invention proceeds from a diesel cycle internal combustion engine that can be operated with a fuel having a low ignition point and a fuel having a higher ignition point, with at least one fuel tank (03-11-2010
20120136553CONTROL APPARATUS FOR AUTOMATIC STOP OF ENGINE - A control apparatus controls an automatic stop of an engine mounted on a vehicle so as to automatically stop the engine if a predetermined stop condition is satisfied, the stop condition including a condition that a running speed of the vehicle is a prescribed speed or less. The control apparatus includes a prediction unit and a prohibition unit. The prediction unit predicts whether or not the next automatic stop time of the engine is less than a prescribed time capable of obtaining a fuel saving benefit based on a history of a vehicle stop time or an automatic stop time of the engine. The prohibition unit prohibits the next automatic stop of the engine if the prediction unit predicts that the next automatic stop time of the engine is less than the prescribed time.05-31-2012
20120136551ENGINE CONTROL SYSTEM - In a hybrid type vehicle designed to use an engine (05-31-2012
20110184627ENGINE CONTROL SYSTEM - A ground engaging vehicle including a frame, an engine, a controller, an accelerator, a position sensor and an interpreter. The engine is supported by the frame and the engine includes a throttle. The controller is in communication with the engine. The position sensor is associated with the accelerator. The position sensor generates a first signal corresponding to a position of the accelerator. The interpreter receives the first signal from the position sensor and generates a second signal dependent upon the first signal. The interpreter communicates the second signal to the controller.07-28-2011
20110184625SPARK PLUG HAVING A THERMOSENSOR - A spark plug includes a ground electrode, a center electrode and a thermosensor for detecting a temperature, the thermosensor being situated on a combustion chamber-side end of the spark plug near the combustion chamber, and an end area of the thermosensor being situated so that it is exposed on the spark plug. In addition, an internal combustion engine having a spark plug is provided.07-28-2011
20100262352CONTROLLER FOR ENGINE - An ECU includes: an engine control unit that controls devices provided for an engine on the basis of a target engine rotational speed; and an engine model that calculates the target engine rotational speed such that the target engine rotational speed varies in accordance with a target engine torque and an actual engine rotational speed in a steady state, and that calculates the target engine rotational speed such that the target engine rotational speed varies in accordance with the target engine torque independently of the actual engine rotational speed in a transient state in which the engine is unstable as compared with the steady state. When the engine is controlled by the thus configured ECU, the control accuracy is improved.10-14-2010
20120253635PERTURBING ENGINE PERFORMANCE MEASUREMENTS TO DETERMINE OPTIMAL ENGINE CONTROL SETTINGS - Methods and systems for optimizing a performance of a vehicle engine are provided. The method includes determining an initial value for a first engine control parameter based on one or more detected operating conditions of the vehicle engine, determining a value of an engine performance variable, and artificially perturbing the determined value of the engine performance variable. The initial value for the first engine control parameter is then adjusted based on the perturbed engine performance variable causing the engine performance variable to approach a target engine performance variable. Operation of the vehicle engine is controlled based on the adjusted initial value for the first engine control parameter. These acts are repeated until the engine performance variable approaches the target engine performance variable.10-04-2012
20120173121VEHICULAR DIAGNOSTIC SYSTEM - The present invention provides an onboard system for determining vehicle emissions. The emissions are determined in real-time and may be transmitted to a remote terminal for storage and/or analysis. Data is supplied solely to an emissions unit from a vehicle diagnostic system: the vehicle diagnostic system receives vehicle data from vehicle systems and sub-systems.07-05-2012
20120173119Systems and Methods For Determining Blow-By Gas Species Concentrations - In one embodiment, a method for determining a blow-by gas species concentration may include calculating one-dimensional engine performance data with a one-dimensional engine performance model. The one-dimensional engine performance data may be based at least in part upon an engine operating condition. The one-dimensional engine performance data may be transformed, automatically with a processor executing a two-dimensional ring dynamics model, into piston ring motion data. The two-dimensional ring dynamics model simulates geometrical changes to a piston-ring pack flow path. The blow-by gas species concentration may be determined with a network model including the one-dimensional engine performance model and a two-dimensional ring pack model. The two-dimensional ring pack model simulates species concentration change in the piston-ring pack flow path. The blow-by gas species concentration may be determined using the engine operating condition and the piston ring motion data.07-05-2012
20120316750CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus of an internal combustion engine capable of appropriately reflecting various requests relating to the performance of the internal combustion engine. Specifically, the control device of the internal combustion engine acquires various requests relating to the performance of the internal combustion engine, and sets restricted ranges of the value of the control variable in accordance with the details of the requests. At this moment, the control device temporally changes the set restricted ranges for specific requests associated with the time integral value of the control variable rather than the instantaneous value of the control variable. Subsequently, the control device determines a final restricted range on the basis of the overlap between the restricted ranges set for each request, and determines the target value of the control variable in the final restricted range.12-13-2012
20100049418METHOD FOR EXECUTING TASKS AND SYSTEM COMPRISING A FIRST AND A SECOND CONTROL DEVICE - A system and a method for executing tasks for an internal combustion engine (02-25-2010
20100299045VEHICLE CONTROL APPARATUS - A vehicle control apparatus 11-25-2010
20100274463IGNITION TIMING CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - To provide an ignition timing control system for an internal combustion engine, which is capable of ensuring stable combustion without causing a misfire or knocking, by properly setting ignition timing in the compression stroke injection mode, thereby making it possible to improve drivability. The ignition timing control system for the engine 10-28-2010
20090204307Method and device for controlling an internal combustion engine - Disclosed is an internal combustion engine comprising a first and a second cylinder line, each of which is provided with a camshaft for the gas intake valves and the gas discharge valves as well as a mechanism for adjusting a valve overlap between the gas intake valves and the gas discharge vales. A lambda controller whose manipulated variable acts upon an actuator that is allocated to the respective cylinder line is associated with each cylinder line. Values of the manipulated controller variables are detected as non-valve-overlapping values of the two cylinder lines in an operating situation in which the valve overlap is so small that the same does not influence the manipulated controller variables while values of the manipulated controller variables are detected as valve-overlapping values of the two cylinder lines in another operating situation in which the valve overlap is so great that the same influences the manipulated controller variables. A corrective value is determined for the adjusting mechanism assigned to the first cylinder line and/or a corrective value is determined for the adjusting mechanism assigned to the second cylinder line in accordance with the valve-overlapping values and non-valve-overlapping values of the two cylinder lines. The adjusting mechanisms of the two cylinder lines are triggered according to the corrective values assigned thereto.08-13-2009
20100010723VEHICLE CONTROL DEVICE AND CONTROL METHOD THEREFOR - A vehicle control device including an eco-run control system for automatically stopping the engine under a predetermined condition when the vehicle is stopped and starting the engine under a predetermined restart condition further includes a vehicle surroundings monitoring device that detects a possibility of the vehicle being collided with by another vehicle. When the vehicle surroundings monitoring device detects a possibility of collision while the engine is kept in a stop mode because of eco-run control and when starting the engine will provide a benefit (when there is a possibility of avoiding a collision), the engine is immediately started to give the driver an opportunity to avoid the collision and a PCS device is activated in preparation for the collision. When the collision is inevitable, only the PCS device is activated.01-14-2010
20120316752VEHICULAR ENGINE APPLIANCE AND METHOD FOR WATCHING THEREOVER - A vehicular engine appliance (12-13-2012
20120226425METHOD FOR OPTIMISING THE OPERATION OF A THERMAL ENGINE BY DETERMINING THE PROPORTION OF OXYGENATED COMPOUNDS IN THE FUEL - The invention relates to a method for optimising the operation of a thermal engine having combustion parameters controlled by an electronic housing and at least one engine mapping, characterised in that the method comprises: a step of carrying out a near-infrared spectroscopic analysis of a bio-fuel containing a mixture of alcohols and/or ethers and/or water in order to determine the proportions of water and of at least one other oxygenated compound of the alcohol and/or ether type contained in the bio-fuel; and a step of selecting and/or modifying said mapping on the basis of the analysis result in order to optimise the operation of the thermal engine.09-06-2012
20120259529CONTROL SYSTEM AND METHOD FOR A HOMOGENEOUS CHARGE COMPRESSION IGNITION (HCCI) ENGINE - A system includes a mass determination module and a torque estimation module. The mass determination module determines a fuel mass injected into a cylinder of a homogeneous charge compression ignition (HCCI) engine for a combustion event in the cylinder. The torque estimation module estimates a torque output of the HCCI engine based on the fuel mass.10-11-2012
20120259531SYSTEM, METHOD, AND COMPUTER SOFTWARE CODE FOR IMPROVED FUEL EFFICIENCY EMISSION OUTPUT, AND MISSION PERFORMANCE OF A POWERED SYSTEM - A method is provided including determining a first power level required from a diesel powered system. The first power level corresponds to a first proportion of a maximum power. The method also includes determining an emission output for a mission based on the first power level. The method further includes determining a second power level corresponding to a second proportion of the maximum power, wherein alternate use of the second power level and at least one of the first power level or a third power level results in a lower emission output for the mission, with the overall resulting power being proximate the minimum power required. The method also includes automatically controlling operation of the diesel powered system by using the second power level alternately with at least one of the first power level or the third power level.10-11-2012
20090018747EXHAUST VALVE CONTROL METHOD AND EXHAUST VALVE CONTROL DEVICE FOR DIESEL ENGINE - An exhaust valve control method for a diesel engine 01-15-2009
20090018746Method and Apparatus For Measuring and Correcting an In-Cylinder Pressure Measurement - A method and apparatus for obtaining a corrected engine operational parameter value, using cylinder pressure information. A real pressure sensor signal output from a sensor (01-15-2009
20100010722INTAKE AIR TEMPERATURE SENSOR DIAGNOSTIC SYSTEMS WITH ADAPTIVE LEARNING MODULES - A diagnostic system for an internal combustion engine includes an intake air temperature (IAT) determination module, a reference temperature determination module, and an adaptive learning module. The IAT determination modules determines a first IAT using an IAT sensor at a first time and determines a second IAT using the IAT sensor at a second time. The reference temperature determination module determines a first frequency based on a first voltage output of a MAF sensor at the first time and determines a second frequency based on a second voltage output of the MAF sensor at the second time. The adaptive learning module determines a temperature-frequency relationship based on the first IAT, the second IAT, the first frequency and the second frequency.01-14-2010
20120232770METHOD FOR OPERATING A SYSTEM IN WHICH A MANIPULATED VARIABLE OF AN ACTUATOR ELEMENT CAN BE CONTROLLED09-13-2012
20080300768Engine control apparatus - A storage unit provided in an engine control device stores three kinds of mode maps having different engine output characteristics. One of the mode maps is selected in accordance with the driving conditions, and a target torque is set by referring to the selected mode map using an engine speed and an accelerator opening-degree as parameters. A throttle opening-degree signal corresponding to the target torque is output to a throttle actuator, and an operation of opening or closing the throttle valve is performed in response to the throttle opening-degree signal.12-04-2008
20120265421ENGINE CONTROL SYSTEMS AND METHODS - A system includes a power request module, a first desired engine speed (DRPM) determination module, a driver torque request module, and an actuation module. The power request module generates a power request for an engine of the vehicle based on an accelerator pedal position and a vehicle speed. The first DRPM determination module determines a first target DRPM based on the power request, a turbine speed of a torque converter, and a k-factor of the torque converter. The driver torque request module selectively generates a torque request for the engine based on the power request and the first target DRPM. The actuation module controls at least one engine actuator based on the torque request.10-18-2012
20080288156Engine Control Apparatus and Engine Control Method - A target engine torque after an environmental correction is calculated by interpolating it between an environmentally corrected maximum engine torque and an environmentally corrected minimum engine torque such that a ratio of a nominal target engine torque between a nominal maximum engine torque and a nominal minimum engine torque under a predetermined environmental condition becomes essentially equal to a ratio of the target engine torque between the environmentally corrected maximum engine torque and the environmentally corrected minimum engine torque. The environmentally corrected maximum engine torque is obtained by multiplying the nominal maximum engine torque and a correction coefficient according to the environmental condition together.11-20-2008
20110046864ENGINE CONTROLLING APPARATUS - An engine controlling apparatus for executing (i) an engine automatic stop control and/or (ii) an engine automatic restart control, during running of a vehicle. The controlling apparatus includes: an allowing/inhibiting device configured to selectively allow and inhibit execution of (i) the engine automatic stop control and/or (ii) the engine automatic restart control, by comparing each of at least one of (a) a plurality of physical amounts including (a-1) behavior-representing physical amounts and (a-2) turning-behavior-influencing physical amounts, with (b) a threshold value which is determined, depending on a running velocity of the vehicle, for the each of the at least one of the physical amounts. The behavior-representing physical amounts include at least one turning-behavior-representing physical amount. The allowing/inhibiting device includes a turning-behavior-basis allowing/inhibiting portion that is configured to selectively allow and inhibit the execution of (i) the engine automatic stop control and/or (ii) the engine automatic restart control, by comparing each of the at least one turning-behavior-representing physical amount, with the threshold value.02-24-2011
20120330530METHOD AND DEVICE FOR CARRYING OUT AN ONBOARD DIAGNOSIS - A method for checking a function of an actuator or a sensor of a system, having the following steps: controlling the actuator within a time window if at least one state variable of the system is in a predefined operating range; detecting a system response, with the aid of the sensor, within the time window as a response to controlling the actuator; determining a malfunction of the actuator or of the sensor if the system response differs from a setpoint system response that is expected due to controlling the actuator. A further actuator of the system is controlled during the time window in such a way that the at least one state variable of the system remains in the predefined operating range during the time window. Moreover, a corresponding method for calibrating a sensor or an actuator of a system is described.12-27-2012
20120323463EXHAUST DEVICE OF INTERNAL COMBUSTION ENGINE - An exhaust device of an internal combustion engine includes a burner device (12-20-2012
20120323461METHOD AND APPARATUS FOR CONTROLLING HYBRID POWERTRAIN SYSTEM IN RESPONSE TO ENGINE TEMPERATURE - A method for controlling a hybrid powertrain system including an internal combustion engine includes controlling operation of the hybrid powertrain system in response to a preferred minimum coolant temperature trajectory for the internal combustion engine.12-20-2012
20120323462METHOD FOR OPERATING A DRIVE UNIT, AND CONTROL DEVICE FOR A DRIVE UNIT - A method for operating a drive unit having at least one drive machine which generates the torque supplied by the drive unit, a first parameter, which causes a slow change in the torque supplied by the drive unit, and a second parameter, which causes a rapid change of the torque, being used for setting a setpoint torque. Prior to raising the setpoint torque to a target torque, the first parameter is selected according to an actuating torque, which is greater than the setpoint torque; and the second parameter is selected in such a way that the drive unit continues to supply the setpoint torque. Furthermore, a control device for a drive unit is also described.12-20-2012
20110238280SYSTEM AND METHOD FOR ESTIMATING TORQUE OUTPUT OF A HOMOGENEOUS CHARGE COMPRESSION IGNITION ENGINE - A control system for a homogeneous charge compression ignition (HCCI) engine includes a fuel requirement estimation module, a torque estimation module, and a torque control module. The fuel requirement estimation module estimates a fuel requirement of the HCCI engine based on a desired indicated mean effective pressure (IMEP) of cylinders in the HCCI engine. The torque estimation module estimates a torque output of the HCCI engine based on the estimated fuel requirement. The torque control module adjusts the torque output of the HCCI engine based on the estimated torque output and a desired torque output.09-29-2011
20110238279DIAGNOSIS FOR MULTIPLE CYLINDER ENGINE - Methods and systems for diagnosing a multiple cylinder engine are provided herein. An exemplary method of diagnosing an internal combustion engine system having a multi-cylinder internal combustion engine is described. In one example, cylinder air-fuel imbalance is determined from the squared value of a difference of two values.09-29-2011
20130184968Electric Power Supply System and Controller of Vehicle that can Supply Electric Power to Outside - Provided is an electric power supply system which includes a plurality of electric power sources and supplies electric power corresponding to demanded electric power. In supplying electric power to the outside from a vehicle which constitutes one of the electric power sources, the electric power supply system realizes generation of power by an engine at high efficiency while maintaining a balance between power income and expenditure. In supplying electric power from the vehicle, an amount of electric power generated by an engine mounted on the vehicle is decided based on information supplied from an external device such as transition over time in an amount of electric power demand including future prediction and transition over time in an amount of electric power which is suppliable from other electric power sources including future prediction.07-18-2013
20130184966METHOD AND SYSTEM FOR ENGINE TORQUE CONTROL - Methods and systems are provided for improving vehicle torque control accuracy. Data points of an engine torque data set are adjusted en masse by an on-board vehicle controller while also being adjusted individually by an off-board controller. By adjusting engine operation based on a torque data set that is updated by each of the on-board and off-board controllers, engine torque errors can be reliably determined and compensated for.07-18-2013
20120330531ENGINE DEVICE - Provided is an engine device which improves a general-purpose property of an ECU carrying out a drive control of an engine and a regeneration control of a DPF. The engine device is provided with an exhaust gas purifying device which is arranged in an exhaust route of the engine, the ECU which controls a drive of the engine, and a variable memory means which stores a general-purpose regeneration program selectively executing a plurality of regeneration modes with respect to the exhaust gas purifying device and a flag table corresponding to an optional regeneration mode, and is rewritable. The ECU executes the general-purpose regeneration program in accordance with a regeneration mode which is selected on the basis of the flag table.12-27-2012
20120277972COMBUSTION SETPOINT CONTROL SYSTEMS AND METHODS - A system for a vehicle, includes first, second, and third setpoint generation modules, a scaling module, and an actuator control module. The first setpoint generation module generates a first target value for an combustion parameter of an engine based on a predetermined value of a combustion stability of the engine. The second setpoint generation module generates a second target value for the combustion parameter based on a predetermined fuel efficiency. The scaling module generates a scaled value for the combustion parameter based on the first and second target values and a scalar value. The third setpoint generation module generates a third target value for the combustion parameter based on the first target value and the scaled value. The actuator control module controls at least one engine actuator associated with the combustion parameter based on the third target value.11-01-2012
20120277975CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - In the case where a constraint condition related to an internal combustion engine is satisfied when a control amount of each of the control objects 11-01-2012
20120277974CURVE OF MAXIMUM ALLOWABLE ENGINE TORQUE FOR CONTROLLING A COMBUSTION ENGINE - A curve of maximum allowable engine torque as a function of engine rotational speed for controlling a combustion engine is provided, where a combustion engine control unit is arranged to control output torque and engine rotational speed as not to exceed the curve, and where the curve is defined by a torque build up range (n0 to ni), constant power range (n2 to 113) and a torque ramp down range (n3 to n4). The torque ramp down range is defined so that the engine rotational speed at high engine power is reduced, while high engine rotational speeds are allowed at low engine power.11-01-2012
20120277971VARIABLE INPUT DRIVING SYSTEM AND METHOD - A variable-input driving system includes first and second rotatable components rotating at different speeds. First and second sensors measure the rotation of the first and second components, and provide signals to an electronic controller. A drive selector has an input connected to each of the first and second components and an output connected to a driven component. The drive selector is responsive to a command signal from the electronic controller to selectively engage the first or second input with the output such that rotation of the first or second input is transmitted to the driven component based on the first and second signals.11-01-2012
20120277973POWER SYSTEM AND METHOD FOR ENERGIZING AN ELECTRICALLY HEATED CATALYST - A power system and a method for energizing an electrically heated catalyst are provided. The system includes a battery outputting a first voltage, and a generator outputting a second voltage greater than the first voltage in response to a first signal. The system further includes a controller that generates a second signal to set a first switching device to a first operational state to apply the second voltage to the electrically heated catalyst to increase a temperature of the catalyst, if a first temperature level of the catalyst is less than a first threshold temperature level. The controller generates a third signal to induce the generator to output a third voltage, and generates a fourth signal to set a second switching device to a second operational state to apply the first voltage to the catalyst, if the first temperature level is greater than the first threshold temperature level.11-01-2012
20120089317Method for Controlling an Automatic Shutdown and Start-Up Process of a Drive Unit in a Motor Vehicle - A method controls an automatic shutdown and start-up process of a drive unit in a motor vehicle by way of a start and stop device, by which the drive unit is automatically shut down when the motor vehicle comes to a halt if predefined shutdown conditions are met, and by which a drive unit, which has been automatically shut down, is automatically started up if at least one start request is made. Before the initiation of an automatic shutdown process of the drive unit, a possible stop duration of the drive unit is predicted, taking into consideration the present operating variables of the vehicle, the state variables, and/or other parameters. Depending on the predicted stop duration, an automatic shutdown process is initiated when all other shutdown conditions are met.04-12-2012
20120089316SINGLE PISTON SLEEVE VALVE WITH OPTIONAL VARIABLE COMPRESSION RATIO CAPABILITY - An internal combustion engine can include a piston moving in a cylinder and a junk head disposed opposite the piston head in the cylinder. The junk head can optionally be moveable between a higher compression ratio position closer to a top dead center of the piston and a lower compression ratio position further from the top dead center position of the piston. At least one intake port can deliver a fluid comprising inlet air to a combustion chamber within the cylinder. Combustion gases can be directed out of the combustion volume through at least one exhaust port. One or both of the intake port and the exhaust port can be opened and closed by operation of a sleeve valve that at least partially encircles the piston. Related articles, systems, and methods are described.04-12-2012
20120089315PRE-IGNITION ESTIMATION/CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A pre-ignition estimation/control device includes: an octane number estimation module for estimating an octane number of a fuel based on detection signals received from an intake air temperature sensor, a water temperature sensor, etc; a pre-ignition-occurrence-index calculation module for calculating a pre-ignition occurrence index based on the estimated octane number and the like; a pre-ignition-occurrence-index correction module for correcting the pre-ignition occurrence index so as to cause the pre-ignition more likely to occur; an effective-compression-ratio-boundary calculation module for calculating a boundary of an effective compression ratio based on the pre-ignition occurrence index; an intake-cam-phase-advance calculation module for calculating a phase advance of an intake cam based on the boundary of the effective compression ratio and the like; and an intake-cam-phase control module for controlling an intake-cam variable phasing system based on the phase advance of the intake cam, to thereby restrict a change in phase advance.04-12-2012
20120089314SYSTEM AND METHOD FOR DETERMINING COMPRESSION DEVICE DEGRADATION - Systems and methods for determining compression device degradation of an engine of a rail vehicle are provided. In one embodiment, a rail vehicle system includes an engine, an air-intake passage coupled to the engine, a compression device including a compressor positioned along the air-intake passage, a barometric air pressure sensor for measuring a barometric air pressure upstream of the compressor, a manifold air pressure sensor for measuring a manifold air pressure downstream of the compressor, and a controller configured to adjust a rail vehicle operating parameter responsive to a determination of compression device degradation based on a negative pressure differential between the manifold air pressure and the barometric air pressure during a designated operating condition.04-12-2012
20110276249METHOD TO OPERATE AN ELECTRICALLY DRIVEN OPCJ VALVE OF AN INTERNAL COMBUSTION ENGINE - A method is provided to operate an electrically driven OPCJ valve of an internal combustion engine that includes, but is not limited to cyclically performing a control method able to generate an opening request for the OPCJ valve, of opening (which includes, but is not limited to keeping opened the OPCJ valve), when the control method generates an opening request, and of closing (which includes, but is not limited to or keeping closed the OPCJ valve), when the control method does not generate an opening request. The control method comprises the steps of determining a value of a control parameter related to an engine torque, and of generating an opening request for the OPCJ valve, if the control parameter value exceeds a threshold value of the control parameter.11-10-2011
20110307160System for Monitoring and Indicating Filter Life - Disclosed are systems, methods, and algorithms for monitoring and indicating filter life. In particular, the disclosed systems, methods, and algorithms may be utilized for monitoring and indicating the useful life of a filter in an internal combustion engine.12-15-2011
20110320103Exhaust Treatment Methods and Systems - A method of evaluating a particulate filter of an exhaust treatment system is provided. The method includes: selectively enabling at least one of data collection and resistance evaluation based on a particulate matter level in the particulate filter; when data collection is enabled, computing a particulate filter resistance based on a linear regression model; and when resistance evaluation is enabled, evaluating an efficiency of the particulate filter based on the particulate filter resistance.12-29-2011
20120136552VEHICLE, ABNORMALITY DETERMINATION METHOD FOR INTERNAL COMBUSTION ENGINE, AND ABNORMALITY DETERMINATION DEVICE FOR INTERNAL COMBUSTION ENGINE - A vehicle including an internal combustion engine provided with a plurality of cylinders, and a control unit that determines that an abnormality of the internal combustion engine has occurred when an atmospheric pressure has a first value and an operation state represented by at least one of an output shaft revolution speed and a load of the internal combustion engine is within a preset region and determines that an abnormality of the internal combustion engine has occurred when the atmospheric pressure has a second value that is lower than the first value and the operation state is outside the region.05-31-2012
20100198481Fuel Tank System for Direct Ethanol Injection Octane Boosted Gasoline Engine - Fuel tank system for a direct ethanol injection octane boosted gasoline engine. The system includes a gasoline engine and a main fuel tank that contains a mix of gasoline and gasoline E85. A smaller secondary tank is provided to contain ethanol or E85. An injector directly injects in a separately controlled fashion ethanol or E85 into a cylinder of the engine to boost octane. A control module controls the relative amounts of gasoline and ethanol used and structure is provided for fueling the main and secondary fuel tanks.08-05-2010
20130013169METHOD FOR DIAGNOSING A LIQUID-COOLED EXHAUST MANIFOLD OF AN INTERNAL COMBUSTION ENGINE - A method is provided for checking the functional capacity of a liquid-cooled exhaust manifold of an internal combustion engine, having an exhaust line connected to the exhaust manifold, in the course of which an exhaust gas sensor having an electrical heater is arranged. During the operation of the internal combustion engine, the electrical resistance of the exhaust gas sensor is determined, on the basis of which the current value of the exhaust gas temperature is evaluated, and compared to a target value of the exhaust gas temperature, which is expected at this point in the operation of the internal combustion engine. Depending on the result of the comparison, the functional capacity of the liquid-cooling of the exhaust manifold is estimated.01-10-2013
20130013166DETERMINATION OF EXHAUST BACK PRESSURE - Systems and methods for determination of exhaust back pressure in a turbocharged engine are disclosed. In one example approach, a method for determination of exhaust back pressure for an engine with a two-staged turbocharger comprises measuring a temperature downstream the engine, a temperature downstream the turbocharger, and/or a pressure downstream the turbocharger; determining a flow parameter for exhaust mass flow; estimating an overall turbine pressure ratio or a difference with a model of the turbocharger based on the measured and determined parameters; and determining the exhaust back pressure downstream the engine with the model.01-10-2013
20130013168TRANSIENT COMPRESSOR SURGE RESPONSE FOR A TURBOCHARGED ENGINE - A method for responding to an existing or incipient surge condition of a turbocharger coupled to an engine of a motor vehicle is provided. The method comprises receiving a signal responsive to an operating condition of the turbocharger and adjusting one or more operating parameters of the motor vehicle when a power of the signal, integrated over a pre-selected range of non-zero frequencies, exceeds a pre-selected threshold. Other embodiments provide related systems for responding to an existing or incipient surge condition of a turbocharger.01-10-2013
20130013167Method for controlling a corona ignition device - The invention relates to a method for controlling a corona ignition device which, in a cyclically operating combustion engine, ignites a fuel-air mixture by means of a corona discharge originating from an ignition electrode in that by means of a primary voltage applied to a primary side of a DC/AC converter, an electrical oscillator circuit is excited, which oscillator circuit is connected to the ignition electrode, wherein the impedance on the primary side of the DC/AC converter is successively measured. According to the invention it is provided that by evaluating the impedance measurements, a time of the start of a corona discharge is determined, this time is compared with a target value, and the activation of the primary side of the DC/Ac converter is changed depending on a result of this comparison.01-10-2013
20100131170METHOD OF OPERATING A SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE - An engine provided with a variable timing mechanism (B) able to control a closing timing of an intake valve (05-27-2010
20130018567MOBILE TERMINAL, SYSTEM AND METHOD FOR CONTROLLING AN ELECTRONIC CONTROL UNITAANM LIM; Sang WooAACI SeoulAACO KRAAGP LIM; Sang Woo Seoul KRAANM LEE; Seung HyunAACI SeoulAACO KRAAGP LEE; Seung Hyun Seoul KRAANM HWANG; In OhAACI SeoulAACO KRAAGP HWANG; In Oh Seoul KR - A mobile terminal to control an Electronic Control Unit (ECU) of a vehicle includes a communication unit, a storage unit, and an ECU control unit. The communication unit communicates with the ECU, and the storage unit stores information collected from the ECU and status information collected inside or outside the mobile terminal. The ECU control unit determines a driving environment of the vehicle according to the status information collected, processes the information collected from the ECU, and controls the ECU. A method for controlling a vehicle ECU from a mobile terminal includes determining a driving environment, and remotely controlling the ECU from the mobile terminal based on the driving environment.01-17-2013
20130018566Effectiveness Modeling and Control Methods for EGR CoolerAANM Khair; Magdi K.AACI San AntonioAAST TXAACO USAAGP Khair; Magdi K. San Antonio TX USAANM Lu; QilongAACI San AntonioAAST TXAACO USAAGP Lu; Qilong San Antonio TX US - A method of modeling and testing the effectiveness of an EGR cooler. The cooler effectiveness is mathematically modeled as a function of various temperatures and over an operation history that includes one or more engine shut-downs.01-17-2013
20130018564METHOD FOR PREPARING INTERNAL COMBUSTION ENGINE FOR SHUTDOWN TO ACHIEVE CLEAN RESTARTAANM Coatesworth; Timothy A.AACI Bloomfield HillsAAST MIAACO USAAGP Coatesworth; Timothy A. Bloomfield Hills MI USAANM Roos; JosephAACI LivoniaAAST MIAACO USAAGP Roos; Joseph Livonia MI USAANM DeGroot; Kenneth P.AACI Macomb Twp.AAST MIAACO USAAGP DeGroot; Kenneth P. Macomb Twp. MI USAANM Velnati; SashidharAACI OxfordAAST MIAACO USAAGP Velnati; Sashidhar Oxford MI USAANM Tamai; GoroAACI West BloomfieldAAST MIAACO USAAGP Tamai; Goro West Bloomfield MI US - A method for preparing an internal combustion (IC) engine component of a hybrid automotive powertrain for shutdown so as to enable clean restart is disclosed herein. The method includes determining if the IC engine is about to enter a shutdown mode. The method includes determining a number of engine run cycles to fill an intake manifold of the IC engine with clean air, if it is determined the IC engine is about to enter the shutdown mode. The method includes running the IC engine for the determined number of cycles to fill the intake manifold of the IC engine with clean air before shutting the IC engine down.01-17-2013
20130018565METHOD AND APPARATUS FOR ENGINE OPERATION IN HOMOGENEOUS CHARGE COMPRESSION IGNITION AND SPARK IGNITIONAANM Yun; HanhoAACI Oakland TownshipAAST MIAACO USAAGP Yun; Hanho Oakland Township MI USAANM Wermuth; NicoleAACI MunchenAACO DEAAGP Wermuth; Nicole Munchen DEAANM Najt; Paul M.AACI Bloomfield HillsAAST MIAACO USAAGP Najt; Paul M. Bloomfield Hills MI USAANM Kang; Jun-MoAACI Ann ArborAAST MIAACO USAAGP Kang; Jun-Mo Ann Arbor MI USAANM Brown; Barry L.AACI Lake OrionAAST MIAACO USAAGP Brown; Barry L. Lake Orion MI US - A method to control an internal combustion engine includes controlling the engine in a homogeneous charge compression ignition mode and depending upon the operating range of the engine operating both intake and exhaust valves with one of a high-lift profile or a low lift profile or the exhaust valves with a low-lift profile and the intake valves with a high-lift profile.01-17-2013
20130024089ENGINE-OUT NOX VIRTUAL SENSOR USING CYLINDER PRESSURE SENSOR - Method for estimating NOx creation in a combustion process of an engine including a variable volume combustion chamber includes monitoring engine sensor inputs including a cylinder pressure within the combustion chamber. A mass fraction burn value for combustion can be modeled within the combustion chamber based upon said sensor inputs, wherein said mass fraction burn value indexes a crank angle at which a selected percentage of injected fuel is burned in a combustion cycle. The state of combustion within the combustion chamber can be estimated based upon the mass fraction burn value, the state of combustion including a combustion phasing and a combustion strength. NOx creation within the combustion chamber can be estimated with a non-linear function based upon said state of combustion.01-24-2013
20130024088CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE - Control device of an internal combustion engine that determines whether or not to perform sensor element heating control of an air-fuel ratio sensor with high accuracy based on the mass of condensed water in an exhaust pipe. The control device computes the rate of change of condensed water mass in an exhaust pipe based on the saturated water vapor pressure and the water vapor partial pressure of exhaust gas, and computes the rate of change of evaporation mass in the exhaust pipe based on the amount of heat which the condensed water receives in the exhaust pipe. The control device updates the mass of condensed water based on the rate of change of condensed water mass and the rate of change of evaporation mass, and determines whether or not to perform heating control by a heating controlling unit based on the updated mass of condensed water.01-24-2013
20130024085SYSTEM AND METHOD TO ESTIMATE INTAKE CHARGE TEMPERATURE FOR INTERNAL COMBUSTION ENGINES - An engine includes an intake manifold mixing an intake air flow and an exhaust gas recirculation flow to provide an intake charge flow. A method to estimate an intake charge temperature of the intake charge includes monitoring system conditions for the engine, determining an effect of the mixing upon a specific heat coefficient of the intake charge flow based upon the monitored system conditions, estimating the intake charge temperature based upon the effect of the mixing upon the specific heat coefficient of the intake charge flow and the monitored system conditions, and controlling the engine based upon the estimated intake charge temperature.01-24-2013
20130024087ABNORMAL COMBUSTION DETECTION AND CHARACTERIZATION METHOD FOR INTERNAL-COMBUSTION ENGINES - An abnormal combustion detection and characterization method for spark-ignition internal-combustion engines using combustion indicators is disclosed. A multidimensional space having each dimension corresponding to one of the indicators is defined and a closed surface is defined in this space to surround points corresponding to normal combustions and to not surround points corresponding to abnormal combustions. For each combustion of an engine cycle, the combustion of the cycle is represented by a point in this multidimensional space, the position of this point with respect to the surface is determined and the abnormal nature of the combustion is deduced therefrom.01-24-2013
20130024086METHOD AND SYSTEM FOR CONTROLLING AN ENGINE DURING TUNNELING OPERATION - Various methods and systems are provided for an engine in a vehicle, the engine having an intake and an exhaust. In one example, a method includes determining the vehicle is under tunneling operation in response to one or more of an intake gas constituent and an exhaust gas constituent. The method further comprises adjusting one or more operating parameters in response to the determination of tunneling operation.01-24-2013
20130173137SYSTEM, APPARATUS, AND METHOD FOR PROTECTING VEHICLE ENGINES - A method includes providing a run-time configurable engine protection configuration that is stored in an engine protection module that is linked to a sensor associated with an engine. The method also includes identifying an engine protection setting corresponding to the engine protection configuration. The engine protection setting includes at least three of a threshold value, a unique message, an action or an alarm. The method further includes presenting the engine protection setting to an operator via an interface. The interface includes at least one of a control panel or a computing device. Also, the method includes receiving, via the interface, an instruction corresponding to a revised engine protection setting. Further the method includes updating, during run-time, the engine protection configuration pursuant to the instruction to reflect the revised engine protection setting, responsive to the receiving of the instruction corresponding to the revised engine protection setting.07-04-2013
20080221773Method for the automatic determination of the quality of a transition compensation - To achieve a better compensation of the wall film effect in the operation of a gasoline engine as well as an objective evaluation of the quality of the transition compensation, the characteristic of Lambda values and a load are automatically detected in a test phase during an operation of the gasoline engine having activated transition compensation. Relevant load changes are automatically extracted as a function of the ascertained characteristics and classified as a function of specifiable criteria. For each load change extracted, at least one quality value is automatically determined as a function of a deviation of the at least one assigned Lambda value from at least one specifiable Lambda value. Each ascertained quality value is then weighted as a function of the implemented classification. Subsequently, an overall quality is calculated from the weighted quality values. At least one statistical method is used for this purpose.09-11-2008
20080243356METHOD AND APPARATUS FOR CONTROLLING FUEL REFORMING UNDER LOW-LOAD OPERATING CONDITIONS USING EXHAUST RECOMPRESSION IN A HOMOGENEOUS CHARGE COMPRESSION IGNITION ENGINE - A direct injection spark ignition multi-cylinder internal combustion engine operative in a controlled auto-ignition combustion mode includes a direct fuel injection system, a spark ignition system and a controllable engine valve system. The air/fuel ratio in the exhaust gas feedstream and an intake mass air flow are measured and an actual air/fuel ratio is calculated based upon the intake mass air flow and engine fueling. Magnitude of a negative valve overlap period between an exhaust valve closing and an intake valve opening is adjusted based upon the measured mass air flow. Timing of pre-injection fueling is adjusted during the negative valve overlap period based upon the measured air/fuel ratio.10-02-2008
20100088004WIRE HARNESS AND ECU SYSTEM - A wire harness is provided to include: one or more electric wires; and an ECU which includes a circuit body electrically connected to one ends of the one or more electric wires and a sealing member that seals the circuit body and the one ends of the one or more electric wires. The one ends of the one or more electric wire are electrically connected to at least one of a power line pattern, a GND line pattern and a signal line pattern of the circuit body.04-08-2010
20080228372OPTIMIZED FLEX FUEL POWERTRAIN - A fuel system and powertrain for a flexible fuel system vehicle utilizes a controller system to control variables in an engine and the final drive optimize operating efficiency of the vehicle while using an alcohol-gasoline blend. The controller system regulates engine operating variables such as fuel pressure, fuel flow, air-fuel flow, air-fuel temperature, and valve timing. The controller system regulates engine operating variables such as transmission gear selection and gear changing as well as differential ratio changes.09-18-2008
20110264353MODEL-BASED OPTIMIZED ENGINE CONTROL - An internal combustion engine controller having at least one forward engine model, at least one inverse control model that employs at least one neural network, at least one physical engine sensor input, at least one predetermined control input and at least one output, wherein the inverse modeling determines and calculates the at least one control input.10-27-2011
20080221774METHOD AND APPARATUS FOR DETERMINING A PARAMETER FOR NORMALIZED INSTANTANEOUS HEAT RELEASE IN AN INTERNAL COMBUSTION ENGINE - Operation of an internal combustion engine selectively operative in a controlled auto-ignition combustion mode is monitored. The engine is equipped with a pressure sensing device operative to monitor in-cylinder pressure. An analog signal output from the pressure sensing device is monitored during a combustion cycle. A peak cylinder pressure and a corresponding crank angle are detected and captured during the combustion cycle. A state for a combustion parameter for the cylinder for the combustion cycle is determined based upon the peak cylinder pressure and the corresponding crank angle.09-11-2008
20130173138DUAL THROTTLE ENGINE SPEED CONTROL - Disclosed embodiments include throttle engine speed control systems, methods and power machines incorporating the same. In one embodiment, a power machine has a controllable power source that receives a command signal to control the power source. First and second throttle input devices provide first and second throttle input signals, respectively, that are indicative of actuation thereof. A controller receives and combines the first and second throttle input signals to generate the command signal.07-04-2013
20120253636CONCURRENTLY ADJUSTING INTERRELATED CONTROL PARAMETERS TO ACHIEVE OPTIMAL ENGINE PERFORMANCE - Methods and systems for real-time engine control optimization are provided. A value of an engine performance variable is determined, a value of a first operating condition and a value of a second operating condition of a vehicle engine are detected, and initial values for a first engine control parameter and a second engine control parameter are determined based on the detected first operating condition and the detected second operating condition. The initial values for the first engine control parameter and the second engine control parameter are adjusted based on the determined value of the engine performance variable to cause the engine performance variable to approach a target engine performance variable. In order to cause the engine performance variable to approach the target engine performance variable, adjusting the initial value for the first engine control parameter necessitates a corresponding adjustment of the initial value for the second engine control parameter.10-04-2012
20120253634ADJUSTING THE SPECIFICITY OF AN ENGINE MAP BASED ON THE SENSITIVITY OF AN ENGINE CONTROL PARAMETER RELATIVE TO A PERFORMANCE VARIABLE - Methods and systems for engine control optimization are provided. A first and a second operating condition of a vehicle engine are detected. An initial value is identified for a first and a second engine control parameter corresponding to a combination of the detected operating conditions according to a first and a second engine map look-up table. The initial values for the engine control parameters are adjusted based on a detected engine performance variable to cause the engine performance variable to approach a target value. A first and a second sensitivity of the engine performance variable are determined in response to changes in the engine control parameters. The first engine map look-up table is adjusted when the first sensitivity is greater than a threshold, and the second engine map look-up table is adjusted when the second sensitivity is greater than a threshold.10-04-2012
20120253633CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE, VEHICLE, AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - Control over an internal combustion engine that automatically stops includes: setting a first idle rotation speed, which is used after a lapse of a short stop period of the internal combustion engine, and a second idle rotation speed, which is used after a lapse of a long stop period of the internal combustion engine, at different values; and, when an idle rotation speed of the internal combustion engine is the second idle rotation speed, restricting automatic stop of the internal combustion engine.10-04-2012
20080215225Apparatus and Method For Controlling Internal Combustion Engine - A variable valve timing mechanism 09-04-2008
20110270505Prediction and estimation of the states related to misfire in an HCCI engine - A method for predicting and correcting an impending misfire in a homogeneous charge compression ignition (HCCI) engine includes: modeling HCCI engine operation in a nominal, steady-state operating region and in unstable operating regions bordering the steady-state operating region, using a zero-dimensional model; predicting an occurrence of an engine misfire based on the modeling of the HCCI engine operation; and providing a remedial corrective measure when an engine misfire is predicted. The remedial corrective measure includes one of: (a) late injection to avoid full combustion during a trapping cycle, and a reduction in amount of injected fuel to account for residual fuel of the previous cycle; or (b) earlier exhaust valve closing to trigger combustion of residual fuel within the trapping cycle, and a later injection and reduction of injected fuel to account for residual fuel of the previous cycle.11-03-2011
20130090832Supercharger-Based Twin Charging System for an Engine - The present disclosure relates to dual compression engine boosting systems utilizing both a turbocharger and a supercharger and control systems relating to relative activation and deactivation of the boosting devices. Various Exhaust Gas Recirculation (EGR) configurations are also disclosed for the dual compression engine boosting systems.04-11-2013
20130103285METHOD AND DEVICE FOR ADAPTING A LAMBDA CONTROL - A method for adapting a lambda control of an internal combustion engine having an exhaust gas probe disposed in an exhaust gas duct of the internal combustion engine as part of an exhaust gas monitoring system, wherein the adaptation is carried out on the basis of a comparison between a modeled and a measured signal after a predetermined change in the fuel-air ratio of an air-fuel mixture supplied to said internal combustion engine has taken place and wherein the measured signal is an actual value of an output signal of the exhaust gas probe and the modeled signal is a modal value, which is derived from the air-fuel mixture supplied to said internal combustion engine through the use of an exhaust gas model.04-25-2013
20130179049METHOD AND DEVICE FOR OPERATING A LUBRICATING SYSTEM OF A COMBUSTION ENGINE - The application relates to a method for operating a lubricating system of a combustion engine in a motor vehicle, the engine having a variably controllable oil pump and a plurality of piston cooling jets. The oil pressure may be adjusted based on operating conditions to activate and de-activate the piston cooling jets when needed.07-11-2013
20130124066DYNAMIC TUNING OF ENGINE AUTO STOP CRITERIA - The criteria used to determine whether to initiate an auto stop of an engine may be altered based on a number of previous auto stops of the engine, a total auto stop off time of the engine, or a total throughput of a battery. Altering the criteria may influence a frequency with which the engine is auto stopped.05-16-2013
20130131957PATH PLANNING DURING COMBUSTION MODE SWITCH - Systems and methods are provided for transitioning between a first combustion mode and a second combustion mode in an internal combustion engine. A current operating point of the engine is identified and a target operating point for the internal combustion engine in the second combustion mode is also determined. A predefined optimized transition operating point is selected from memory. While operating in the first combustion mode, one or more engine actuator settings are adjusted to cause the operating point of the internal combustion engine to approach the selected optimized transition operating point. When the engine is operating at the selected optimized transition operating point, the combustion mode is switched from the first combustion mode to the second combustion mode. While operating in the second combustion mode, one or more engine actuator settings are adjusted to cause the operating point of the internal combustion to approach the target operating point.05-23-2013
20130131958SMART VEHICLE SENSOR - Various systems and methods are described for controlling operation of a motor vehicle based on a sensor. One example method comprises receiving sensed parameter data from the sensor, receiving calibration data from the sensor, and adjusting a vehicle operating parameter in response to the sensed parameter data and the calibration data.05-23-2013
20130131956TRANSIENT-STATE CONTROL METHOD FOR A HYBRID DRIVE SYSTEM FOR VEHICLES - The invention relates to a method of controlling a hybrid drive system having at least one electric machine and at least one diesel engine. The invention corrects the static torque setpoint T05-23-2013
20130131955SYSTEMS AND METHODS FOR CORRECTING MASS AIRFLOW SENSOR DRIFT - Systems and methods for correcting mass airflow sensor drift include an operation conditions module to interpret a base calibration function, a MAF sensor input value, and a current operating condition. A MAF correction module determines an expected MAF value in response to the current operating condition and a predetermined operating condition. The MAF correction module will also determine an adjusted MAF value in response to the expected MAF value, the base calibration function, and the MAF sensor input value. A MAF reporting module is structured to provide the adjusted MAF value.05-23-2013
20130131954METHOD OF PREDICTING NOx GENERATION AMOUNT - A method of predicting NOx generation amount may include calculating NO generation rate by using a combustion pressure of an engine and driving variables of the engine, obtaining NO generation period by using the combustion pressure of the engine, calculating NO generation amount based on the NO generation rate and the NO generation period, and predicting the NOx generation amount by obtaining NO05-23-2013
20130131953Anti-Sticking And Diagnostic Strategy For Exhaust System Valves - An engine system includes an exhaust system fluidly connected to an electronically controlled engine. Exhaust from the engine may travel a first pathway through a turbine of a turbocharger, or a second pathway that bypasses the turbine. An electronically controlled wastegate vale is biased to close the second pathway. An electronic controller is in communication with the electronically controlled engine and the electronically controlled wastegate valve. The electronic controller is configured to execute a wastegate diagnostic algorithm to detect a stuck closed default condition of the electronically controlled wastegate valve, and derate the engine in response to detection of a stuck closed fault condition.05-23-2013
20110276248CONTROL SYSTEM AND METHOD FOR CONTROLLING ENGINE EXHAUST BACK PRESSURE - A control system for an engine includes a restriction determination module and a valve control module. The restriction determination module determines a desired exhaust back pressure of the engine based on an exhaust flow rate of the engine. The valve control module selectively adjusts a valve position of an exhaust valve that restricts an exhaust flow of the engine based on the desired exhaust back pressure. The exhaust valve may include a valve body, a throttle plate, and an annular protrusion coupled to an inner surface of the valve body and protruding towards the throttle plate. The annular protrusion may abut a side of the throttle plate and may restrict fluid flow through an annular space between the throttle plate and the inner surface when the throttle plate is positioned in a rotational position transverse to a direction of fluid flow. A related method is also provided.11-10-2011
20130144504MANAGEMENT OF OPERATION OF AN AUTOMOTIVE ELECTRICAL SYSTEM FEATURING A RENEWABLE ELECTRICAL POWER SOURCE - Automotive electrical system comprising an electronically-controllable alternator, a solar panel, and an electronic control unit configured to control electrical power generation in the automotive electrical system by determining whether to individually or jointly exploit electrical power supplied by the solar panel and the alternator; if it is determined to exploit electrical power supplied by the solar panel only, controlling the alternator to cause it to bring the automotive electrical system to operate in an operating point where the solar panel supplies the maximum deliverable electrical power; and if it is determined to exploit electrical power jointly supplied by the solar panel and the alternator, controlling the alternator to cause it to bring the automotive electrical system to operate in an operating point where the solar panel and the alternator jointly supply an overall electrical power that depends on fuel consumption.06-06-2013
20130144505METHOD FOR OPERATING AN EXHAUST GAS SYSTEM OF AN INTERNAL COMBUSTION ENGINE - A method for operating an exhaust gas system of an internal combustion engine is described, wherein NOx is reduced by means of a SCR catalyst and a NOx reduction capability of an aqueous urea solution to be introduced into the exhaust gas system is monitored, and wherein at least one first variable characterizing the ammonia content of the water is ascertained and an ageing of the aqueous urea solution is inferred from said first variable.06-06-2013
20090292439Method of controlling cylinder deactivation - A method of controlling a cylinder deactivation system is disclosed. Information from one or more sensors is received by a control unit. The control unit compares the current values of a parameter with one or more prohibited ranges in order to determine if cylinder deactivation should be prohibited. The one or more prohibited ranges are discrete ranges, each with a lower limit and an upper limit.11-26-2009
20100280739COORDINATION OF VARIABLE CAM TIMING AND VARIABLE DISPLACEMENT ENGINE SYSTEMS - A method of controlling an engine with a first group of cylinders having selectively deactivatable cylinders valves and a variable camshaft timing actuator coupled in a hydraulic system is described. In one example, the method includes during a first mode where the first group of cylinders is activated to carry out combustion cycles, adjusting the hydraulic system with a first gain based on cam timing feedback information and/or maintaining a null position of the actuator by adjusting a control signal to the hydraulic system to within a first value range. During a second mode where the first group of cylinders is deactivated, the method includes adjusting the hydraulic system with a second gain based on cam timing feedback information, the second gain higher than the first gain and/or maintaining the null position of the actuator by adjusting the control signal to the hydraulic system to within a second value range.11-04-2010
20100280735Method and Device for Controlling at Least One Glow Plug of a Motor Vehicle - A device and a method for controlling at least one glow plug of a motor vehicle are described. The at least one glow plug is controlled as a function of the operating state of the internal combustion engine. In this case, the control is effected as a function of a variable which depends on the exhaust gas temperature and/or as a function of the fulfillment of a fuel quantity condition and/or time condition.11-04-2010
20130144503CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine control device having a particulate matter sensor which has a pair of electrodes disposed at a distance from each other and measures the amount of particulate matter in a gaseous body, and elimination means for burning and eliminating particulate matter attached to the particulate matter sensor. The control device performs a particulate matter elimination process to judge whether the amount of particulate matter attached to the particulate matter sensor is smaller than a reference particulate matter amount that is predefined as the minimum amount of remaining particulate matter required to bring the pair of electrodes into electrical conduction at one or more spots. When the amount of particulate matter is judged to be smaller than the reference particulate matter amount, the control device causes the elimination means to terminate the particulate matter elimination process.06-06-2013
20080201055Vehicle-use battery monitor apparatus - The vehicle-use battery monitor apparatus includes a first function of receiving a power generation rate indicative of an operating state of a vehicle alternator from a power generation control device, a second function of detecting a charge/discharge current of a vehicle battery, a third function of transmitting the power generation rate to an electronic control unit for controlling an output power of a vehicle engine in order that an idle-up control is performed depending on a value of the power generation rate, a fourth function of increasing the value of the power generation rate when it is determined that the vehicle battery is in a discharge state on the basis of a detection result by the second function, and a fifth function of generating a notification signal in accordance with which an indicator light makes an indication of the power generation rate being increased by the forth function.08-21-2008
20080201054Virtual sensor based engine control system and method - A method is provided for a virtual sensor system. The method may include obtaining data records associated with a plurality of input parameters and at least one output parameter and adjusting values of the input parameters based on autocorrelation of respective input parameters. The method may also include reconfiguring the input parameters based on cross-correlation of respective input parameters relative to the output parameter and establishing a first virtual sensor process model indicative of interrelationships between the adjusted and reconfigured input parameters and the output parameter.08-21-2008
20100286891Method And Apparatus For Using An Accelerometer Signal To Detect Misfiring In An Internal Combustion Engine - The method comprises operating an engine and collecting a real-time accelerometer signal from an accelerometer sensor. The real-time accelerometer signal is digitized and filtered to isolate data in a frequency range associated with combustion to produce a filtered signal data set. The filtered signal data set is integrated to produce an integrated signal data set, and misfire is detected by comparing the integrated signal data set with a predetermined reference data set associated with the same operating point. The apparatus is a control system for an engine that comprises an accelerometer sensor mounted to the engine; a look-up table in which is stored predetermined reference data sets, in association with predetermined operating conditions; and an electronic controller programmed to carry out the foregoing method.11-11-2010
20110246045METHOD FOR CONTROLLING A GLOW PLUG OF A COMBUSTION MACHINE OF A VEHICLE AND CONTROLLER FOR A GLOW PLUG OF COMBUSTION MACHINE OF A VEHICLE - A method is provided for controlling a glow plug of a combustion machine of a vehicle, the glow plug being driven by a first predetermined effective voltage, the first predetermined effective voltage being lower than the voltage of the battery of the vehicle when the combustion machine is running10-06-2011
20110238281Exhaust Gas Temperature Sensor Including Strain Relief and/or Anti-Vibration Sleeve - A temperature sensor includes a housing and a temperature sensing element disposed in the housing. Electrical connections may extend from the temperature sensing element through the housing and an epoxy may be disposed in the housing, wherein the epoxy may at least partially around the temperature sensing element. The epoxy may provide a thermal pathway between the sensing element and the housing and may be being flexible to accommodate different rates of thermal expansion between the temperature sensing element and the electrical connections without requiring a separate mechanical strain relief. A temperature sensor system includes a temperature sensor and a mineral insulated cable coupled to the temperature sensor. The temperature sensor may be configured to be removably coupled to the mineral insulated cable via a stop flange and a sleeve coupled to the mineral insulated cable. The sleeve may be configured to provide stability and reduce vibrational stress to the temperature sensor system.09-29-2011
20130151113OIL PUMP CONTROL SYSTEM FOR VEHICLE - An oil pump control system for a vehicle, may include an oil pump configured to supply oil to an engine, an oil pressure control valve regulating oil pressure value of a discharging part in the oil pump, an oil pressure sensor sensing and outputting the oil pressure value of the discharging part in the oil pump, and a controller receiving a signal of the oil pressure value, determining a target oil pressure value of the discharging part in the oil pump in response to information relating to an oil pressure and operation state of the engine among vehicle information inputted from outside, comparing the sensed oil pressure value inputted from the oil pressure sensor with the target oil pressure value, and performing feedback control to drive the oil pressure control valve.06-13-2013
20130151114METHOD OF MANAGING AUXILIARY FUEL SYSTEM FOR FFV - A method of managing an auxiliary fuel system for a flexible fuel vehicle (FFV), may include monitoring a number of operations of the auxiliary fuel system when an engine of a vehicle starts, determining whether it may be necessary to perform maintenance of the auxiliary fuel system on the ground that the auxiliary fuel system has not been used for a predetermined time period in which the number of starts of the engine reaches a predetermined number, on the basis of the result of the monitoring, and operating the auxiliary fuel system in accordance with a predetermined setting, when the determining of whether it may be necessary to perform the maintenance of the auxiliary fuel system reveals that the auxiliary fuel system has not been used for the predetermined time period.06-13-2013
20130138324CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - The present invention relates to a control device for an internal combustion engine including: a first control subject 05-30-2013
20130151115SYSTEM AND METHOD FOR CONTROLLING TORQUE OF ENGINE - Disclosed is a system and method for controlling engine torque of a hybrid vehicle. In particular, engine mapping information including intake temperature and barometric pressure compensation factors that are the bases for an engine test is received at a control unit. The control unit then calculates a currently available torque of the engine based on the current intake temperature and barometric pressure compensation factors calculated in the engine mapping information, and calculates a current optimal operating line (OOL) torque in the engine through applying an OOL ratio over each RPM in the engine test to the currently available engine torque. The engine test is a test conducted under predetermined conditions for generating a specific fuel consumption map. Advantageously, fuel efficiency may be improved by controlling an engine of a hybrid vehicle at an optimal torque in consideration of current external conditions as well.06-13-2013
20130151116ELECTRONIC CONTROL UNIT OF INTERNAL COMBUSTION ENGINE - An electronic control unit (ECU), for use with an internal combustion engine, determines whether an abnormal combustion has occurred in the engine. The ECU uses a sensor signal amplifier to amplify a sensor signal from a sensor by changing an amplification power of the sensor signal and an A/D converter to convert the sensor signal amplified to a digital signal (i.e., a digitized sensor signal). The ECU uses an abnormal combustion detector to determine whether an abnormal combustion has occurred based on a characteristic of a waveform of the digitized sensor signal, and performs an abnormal combustion prevention control to prevent the abnormal combustion when an abnormal combustion is detected. An amplification controller is used to set the amplification power of the sensor signal amplifier based on the amplitude of the digitized sensor signal and a determination result of the abnormal combustion by the abnormal combustion detector.06-13-2013
20100292908ELECTRIC CURRENT SUPPLY CONTROL APPARATUS FOR GLOW PLUG, AND GLOW PLUG AND ELECTRIC CURRENT SUPPLY APPARATUS CONNECTED TO THE GLOW PLUG - An electric current supply control apparatus for a glow plug, and glow plug and the electric current supply control apparatus connected to the glow plug. In a transition state in which the load acting on an engine increases such as at the time of acceleration (S11-18-2010
20120283930Method of Using a Bypass Valve - A method of controlling a pump (11-08-2012
20130158833SENSORS BIAS DETECTION FOR ELECTRONIC RETURNLESS FUEL SYSTEM - A method for isolating an actual sensor bias in a fuel delivery system having a fuel pump includes monitoring first, second and third fuel pump parameters, detecting first and second fuel pump sensor biases based on the monitored first, second and third fuel pump parameters, modeling a fourth fuel pump modeled parameter based on the monitored second and third fuel pump parameters, and isolating the actual sensor bias in one of the detected first and second fuel pump biases based on the monitored third fuel pump parameter and the modeled fourth fuel pump modeled parameter.06-20-2013
20130158834METHOD AND DEVICE FOR ASCERTAINING A MODELING VALUE FOR A PHYSICAL VARIABLE IN AN ENGINE SYSTEM HAVING AN INTERNAL COMBUSTION ENGINE - A method for determining a modeling value of a physical variable in a gas guiding section of an engine system including an internal combustion engine, includes the following steps: operating the engine system in such a way that an air mass flow is present in the gas guiding section; determining instantaneous values of other physical variables; and determining the modeling value of the physical variable by solving a differential equation, which results as the discretization of a differential equation, with the aid of the previously ascertained instantaneous values of the other physical variables.06-20-2013
20130158835INTERNAL COMBUSTION ENGINE INCLUDING CRANKSHAFT THAT IS ROTATED WHILE ENGINE IS IN A NON-FUELED MODE AND METHOD OF OPERATING AN ENGINE - A method of operating an engine includes starting and stopping operation of an internal combustion engine that includes a crankshaft having a bearing journal and a bearing in which the bearing journal is rotatable. The crankshaft is constantly turned when the internal combustion engine is in the non-fueled mode. An oil pump can be driven to lubricate the bearing journal and the bearing while the internal combustion engine is in the non-fueled mode to provide hydrodynamic lubrication. An engine is also disclosed.06-20-2013
20130184967METHOD AND APPARATUS FOR CONTROLLING OPERATION OF AN INTERNAL COMBUSTION ENGINE OPERATING IN HCCI COMBUSTION MODE - A method for operating the internal combustion engine includes determining a first integrated thermal state parameter corresponding to engine environment factors affecting a combustion parameter during engine operation in a homogeneous-charge compression-ignition combustion mode. A difference in the first integrated thermal state parameter is determined corresponding to a difference between a monitored state for the combustion parameter and an estimated state for the combustion parameter. The first integrated thermal state parameter is corrected in response to the difference in the integrated thermal state parameter. Operation of the internal combustion engine is controlled in response to the corrected first integrated thermal state parameter.07-18-2013
20110313636METHOD FOR OPERATING A DRIVETRAIN OF A MOTOR VEHICLE - A method for operating a drivetrain of a motor vehicle, the drivetrain having a drive unit with an internal combustion engine and with at least one turbocharger, a driver demand torque being determined as a function of a present accelerator pedal actuation (PI), a drive unit torque (M12-22-2011
20110313635AUTOMOTIVE-VEHICLE-BORNE MINIATURE SPECTROMETER HAVING A SINGLE MEASUREMENT AND REFERENCE DETECTOR - A device for measuring a spectrum of a light beam, in a wavelength range chosen beforehand, the spectrum being generated by a sample to be analyzed, the optical measuring device including at least one light source, a measurement cell and a measurement detector placed on a measurement optical pathway, the measurement optical pathway being taken by a measurement optical beam emitted by the light source, and encountering the measurement cell, a self-calibration unit allowing any drift of the light sources, due to environmental conditions or conditions of use, to be taken into account independently of whether a sample to be analyzed is present in or absent from the measurement cell, the self-calibration unit including elements for creating a reference optical pathway, taken by a reference optical beam emitted by the light source, and not encountering the measurement cell, and a reference detector.12-22-2011
20130191005METHOD AND SYSTEM FOR OPPORTUNISTICALLY AUTOMATICALLY STOPPING AN ENGINE OF A VEHICLE - Methods and systems for stopping and starting an engine automatically are presented. In one example, a method inhibits automatic engine stopping in response to output of an on-board camera. The method prevents engine stopping during conditions where little fuel may be saved via automatically stopping the engine.07-25-2013
20130191006VEHICLE, AND CONTROL METHOD FOR VEHICLE - A control device includes a PWM control unit that executes PWM control over an alternating-current motor mounted on a vehicle. The PWM control unit includes an alarm sound generation processing unit and a slip determination unit. The slip determination unit determines whether a drive wheel coupled to the alternating-current motor is slipping on the basis. of a d-axis current (Id), a q-axis current (Iq), a d-axis voltage command value (Vd) and a q-axis voltage command value (Vq) of the alternating-current motor. When the drive wheel is not slipping, the alarm sound generation processing unit generates an alarm sound from the alternating-current motor by adding a variation value (ΔV) to the d-axis voltage command value (Vd) at a predetermined interval. When the drive wheel is slipping, the alarm sound generation processing unit temporarily stops adding the variation value (ΔV) to the d-axis voltage command value (Vd).07-25-2013
20130191007OUTPUT CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An output control device for an internal combustion engine mounted on an electrically powered vehicle has a power generator driven by the engine, a drive battery that saves a power generated by the power generator and detects an SOC value of a power saving state, and a drive motor that propels a vehicle by using the power generated by the power generator or the power saved in the drive battery, and controls an output of the engine at a time of power generation of the power generator. The output control device sets an engine output determination value corresponding to a boundary at which an operation state of the engine shifts from stoichiometric operation to enriched operation, and limits an output of the engine to equal to or less than the engine output determination value in correspondence with the detected SOC value of the drive battery.07-25-2013
20120290191ABNORMALITY DETERMINATION APPARATUS FOR INTERNAL COMBUSTION ENGINE - An abnormality determination apparatus for an internal combustion engine having a plurality of cylinders includes: a fluctuation increasing unit that increases a fluctuation in output shaft rotation speed of the internal combustion engine; and a determination unit that determines whether there is a variation in air-fuel ratio among the plurality of cylinders based on the fluctuation increased by the fluctuation increasing unit.11-15-2012
20120290190System for Determining EGR Cooler Degradation - Systems and methods for diagnosing an EGR system are presented. The method provides for indicating EGR system degradation in response to a temperature at an outlet of an EGR cooler. The method may require less calibration effort than a model based diagnostic.11-15-2012
20120290189COMPRESSION RATIO DETERMINATION AND CONTROL SYSTEMS AND METHODS - A system includes a sampling module and a map generating module. The sampling module receives a first mapping of thermal efficiency of a spark-ignition engine generated based on operation of the spark-ignition engine with a dynamometer. A combustion chamber of the spark-ignition engine has a first compression ratio. The map generating module generates a second mapping of the thermal efficiency of the spark-ignition engine based on the first mapping and the combustion chamber having a second compression ratio. The second compression ratio is different than the first compression ratio.11-15-2012
20120016563EMISSION DETERIORATION INFORMING DEVICE - An emission deterioration informing device senses actual injection timing, at which fuel injection is actually performed from an injector. The device calculates a deviation amount of the sensed actual injection timing from target injection timing. The device has a warning light for informing deterioration of exhaust emission when the calculated deviation amount is larger than a predetermined threshold value. The device determines whether an operation state of an internal combustion engine is an impact state, in which the exhaust emission receives a predetermined influence or more from the deviation of the actual injection timing from the target injection timing. The device allows lighting of the warning light when the operation state is determined to be the impact state. The device prohibits the lighting of the warning light when the operation state is not determined to be the impact state.01-19-2012
20120029788CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - The present invention provides a control apparatus used in an internal combustion engine that can switchably use a compressed natural gas and gasoline. The control apparatus carries out a miss fire check on the internal combustion engine over two or more combustion cycles, and, based on the results of the check, detects failures. The control apparatus prohibits switching of fuels (S02-02-2012
20120029787INCREASED FUEL ECONOMY MODE CONTROL SYSTEMS AND METHODS - An engine control system includes a desired manifold absolute pressure (MAP) module, a MAP to torque module, a threshold determination module, and a fuel economy (FE) mode module. The desired MAP module determines a desired MAP for operation of an engine in one of a cylinder deactivation mode and a low-lift mode based on a difference between a desired vacuum and an air pressure upstream of a throttle valve. The MAP to torque module determines a desired torque output of the engine for operation in the one of the cylinder deactivation mode and the low-lift mode based on the desired MAP. The threshold determination module determines an entry torque based on the desired torque output. The FE mode module selectively triggers operation in the one of the cylinder deactivation mode and the low-lift mode based on a comparison of the entry torque and a torque request.02-02-2012
20130197779Setpoint Bank Control Architecture - A method of controlling operation of an engine is provided that utilizes a number of preset operating parameters. The method determines an operating mode of the engine. The method determines an operating state of the engine. A plurality of engine parameter settings is retrieved from a memory in response to the determined operating mode and the determined operating state of the engine. The plurality of engine parameter settings are applied to at least one control algorithm of the engine.08-01-2013
20130197777SYSTEMS AND METHODS FOR MONITORING AND CONTROLLING FUEL SYSTEMS - Systems and methods may be provided for monitoring a fuel level of a vehicle. The fuel may be a gaseous fuel, such as natural gas. An electronic control unit may be able to receive a signal from one or more sensors. The electronic control unit may provide a command to drive a fuel gauge to display the fuel level. The electronic control unit may determine the gauge command based on the received signal and a filling compensation scheme. The electronic control unit may be initialized through a user interface. A filling compensation scheme may be selected during initialization. The electronic control unit may be capable of communicating various sensors, gauges, devices, controls and/or other ECUs of varying specifications.08-01-2013
20130197778SOOT ACCUMULATION MODEL FOR SETPOINT MODIFICATION - A method controlling operation of an engine utilizing a number of preset operating parameters is provided. An operating mode of the engine is determined. An operating state of the engine is determined. A first plurality of engine parameter settings are retrieved from a memory in response to the determined operating mode and the determined operating state of the engine. The first plurality of engine parameter settings are applied to at least one control algorithm of the engine. A rate of soot accumulation from the engine is monitored. The rate of soot accumulation is compared to a predetermined soot accumulation rate threshold. A second plurality of engine parameter settings are retrieved from a memory in response to the monitored rate of soot accumulation exceeding the predetermined soot accumulation rate threshold.08-01-2013
20130197780SUPERVISORY CONTROL SYSTEM FOR SERIES TYPE HYBRID-ELECTRIC POWERTRAINS - A method of operating a series type hybrid-electric powertrain having an internal combustion engine, a generator, and a battery is provided. A state of charge level of a battery is estimated. The state of charge level estimate is compared to a first threshold. An internal combustion engine operates at a first engine speed setpoint and a first engine torque output setpoint when the state of charge level estimate is below the first threshold. The state of charge level estimate is compared to a second threshold. The second threshold is a lower state of charge level than the first threshold. The internal combustion engine operates at a second engine speed setpoint and a second engine torque output setpoint when the state of charge level estimate is below the second threshold. The internal combustion engine generates more torque at the second torque output setpoint.08-01-2013
20120296548METHOD FOR PERFORMING ON/OFF DIAGNOSIS OF A SMART COOLING PUMP FOR AN INTERNAL COMBUSTION ENGINE - A method for performing on/off diagnosis of a smart cooling pump for an internal combustion engine comprising a cylinder having an inner liner layer, an external engine block layer, and a coolant layer placed between the inner liner layer and the external engine block layer, wherein the smart cooling pump pumps a coolant fluid inside the coolant layer is provided.11-22-2012
20130204508SYSTEM AND METHOD FOR CONTROLLING AN ENGINE - A method for controlling regeneration within an after-treatment component of an engine comprises receiving an upstream temperature signal representing a temperature of an exhaust stream upstream from the after-treatment component and calculating an expected downstream temperature based on the upstream temperature signal and a model for calculating the expected downstream temperature. A temperature index is calculated based on the upstream temperature signal and the expected downstream temperature, and an estimate of accumulated particulate matter in the after-treatment component is calculated based, at least in part, on the temperature index. The estimate of accumulated particulate matter in the after-treatment component is compared to a predetermined threshold associated with the after-treatment component, and a remedial action is initiated when the estimate of accumulated particulate matter in the after-treatment component exceeds the predetermined threshold.08-08-2013
20130204509METHOD FOR DETERMINING THE PROPORTION OF GASEOUS WORKING MEDIUM IN THE CYLINDER OF AN INTERNAL COMBUSTION ENGINE - A method for determining the proportion of gaseous working medium in a cylinder of an internal combustion engine includes opening an injector so as to feed fuel directly into the cylinder. The injector is connected to a fuel line in which a pressure sensor is arranged. The pressure in the fuel line is measured when the injector is open. The proportion of gaseous working medium in the cylinder is determined in conjunction with an association between the measured pressure in the fuel line when the injector is open and the proportion of gaseous working medium in the cylinder.08-08-2013
20120083991ENGINE CONTROLLING APPARATUS - An engine controlling apparatus includes an idle speed setting unit that sets a target idle speed upon idling of an engine mounted on a vehicle, and a target torque setting unit that sets a target torque in response to the target idle speed.04-05-2012
20120095666Adaptive Desulfation and Regeneration Methods for Lean NOx Trap - An adaptive method is used for LNT desulfation and regeneration. The desulfation method involves adapting the amount of sulfur loading to trigger a desulfation event in accordance with the current adsorption capacity of the LNT. The method involves monitoring the current sulfur loading and the current LNT adsorption capacity. This data is used to calculate a loading amount “trigger”, whose value varies over the LNT lifetime. Whenever this trigger amount is reached, a desulfation event is performed. The regeneration method is similar, with the baseline data and loading threshold being determined by NOx loading rather than sulfur loading.04-19-2012
20120095665METHOD AND SYSTEM FOR CONTROLLING A VEHICLE HAVING A HYBRID DRIVE - In a method for controlling a hybrid drive which is driven by an internal combustion engine designed as a first drive unit, and by a second drive unit, the internal combustion engine and the second drive unit contribute individually or jointly to the drive of the vehicle, and pollutant emissions are kept at the lowest possible level in all operating states of the hybrid drive. At least one control function for the internal combustion engine is carried out by a coordination unit which determines the point in time at which the internal combustion engine or the drive unit alone, or the internal combustion engine and the drive unit simultaneously, contribute to the drive of the vehicle.04-19-2012
20120095664MALFUNCTION DETECTION APPARATUS AND MALFUNCTION DETECTION METHOD FOR AN EGR SYSTEM - A determination is made more simply as to a malfunction of a low pressure EGR device that supplies an EGR gas from a low pressure EGR passage connecting between an exhaust passage at a location downstream of a turbine and an intake passage. Provision is made for a high pressure EGR device that connects between the exhaust passage at a location upstream of the turbine and the intake passage, the low pressure EGR device that connects between the exhaust passage at a location downstream of the turbine and the intake passage, and a detection unit that detects a malfunction of the low pressure EGR device from the degree of opening of a high pressure EGR valve at the time when the EGR gas is supplied from both the high pressure EGR device and the low pressure EGR device, and at the time when the high pressure EGR valve of the high pressure EGR device is controlled in a feedback manner so as to direct an amount of EGR gas in a cylinder toward a target range of the amount of EGR gas, while carrying out open loop control of a low pressure EGR valve of the low pressure EGR device.04-19-2012