19th week of 2009 patent applcation highlights part 54 |
Patent application number | Title | Published |
20090118908 | Vehicle Safety Zone System - A remote tire measurement system ( | 2009-05-07 |
20090118909 | PROCESS FOR DETECTING A PHENOMENON LIMITING THE VISIBILITY FOR A MOTOR VEHICLE - A process and system for detecting a phenomenon limiting the visibility for a motor vehicle. The process and system comprises the steps of determining at least one point of interest in an image captured of the environment of the vehicle (CALC_H(I)); determining a region of interest in the image (CALC_ROI(I)); determining a graph of different levels of grey on the basis of said region of interest (CALC_CL(ROI)), and determining an area in said graph of different levels of grey around said point of interest (CALC_A(CL, H)). | 2009-05-07 |
20090118910 | METHOD OF OPERATING A PLANTER FOR PLANTING SEEDS IN A FIELD FOR EXPERIMENTAL PURPOSES - A method of operating a planter where plot characteristics are input into a controller that is associated with a planter. A distance measuring device associated with the controller senses ground speed and distance traveled and transmits the sensed information to the controller. The controller then automatically adjusts the rotational speed of a seed plate of a row planter mounted to the planter based upon the sensed information to achieve the input plot characteristics. | 2009-05-07 |
20090118911 | CONTROL ASSEMBLY FOR AUXILIARY HYDRAULICS - A ground engaging vehicle including a tool having a moving member and a control system controlling a speed of the moving member. The control system includes an adjustable proportional control and a triggering control. The adjustable proportional control creates a signal to thereby select a direction and a speed of the moving member. The triggering control setting the direction and/or the speed dependent upon the signal resulting in a set direction and a set speed, the triggering control subsequently setting the speed to zero. | 2009-05-07 |
20090118912 | ENGINE CONTROL SYSTEM OF A SELF-PROPELLED WORKING MACHINE - In an engine control system of a self-propelled working machine, a method for operating an engine control system of this type, and a self-propelled working machine equipped with at least one drive engine—the rotational speed of which may be regulated—and working units that are driven in such a manner that their rotational speeds are adjustable, with which the engine speed is regulated as a function of the load on the drive engine(s), and the at least one drive engine is coupled with one or more working units via a drive train, the drive train includes at least one gearbox stage that holds the drive speed of the working unit(s) constant, and the at least one gearbox stage is designed as a mechanical-mechanical power-split transmission. Thereby the drive engine may be operated in a fuel-saving rotational speed range without this affecting the working speeds of the working units. | 2009-05-07 |
20090118913 | Vector Controlled Leveling System for a Forestry Machine - The present invention provides a leveling control system for a forestry machine ( | 2009-05-07 |
20090118914 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE FOR A HYBRID POWERTRAIN SYSTEM - A hybrid powertrain system includes an internal combustion engine operatively connected to a second torque machine to transmit torque to an output member. A method for operating the hybrid powertrain system includes monitoring an operator torque request, determining an output torque command based upon the operator torque request, commanding a transition between an engine-off state and an engine-on state, monitoring an engine crank angle, spinning the engine unfueled, estimating cylinder pressure based upon the engine crank angle during the spinning of the engine, predicting a cylinder pulse torque based upon the cylinder pressure, determining a cancellation torque for the second torque machine based upon the predicted cylinder pulse torque, and controlling motor torque output from the second torque machine based upon the cancellation torque and the output torque command. | 2009-05-07 |
20090118915 | METHOD AND APPARATUS TO PRIORITIZE TRANSMISSION OUTPUT TORQUE AND INPUT ACCELERATION FOR A HYBRID POWERTRAIN SYSTEM - A powertrain includes an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and an electric machine adapted to selectively transmit mechanical power to an output member. A method for controlling the powertrain includes operating the transmission in an operating range state wherein input speed can operate independent of output speed and wherein a reactive torque is transmitted through the transmission. The method further includes monitoring commands affecting a requested output torque, monitoring a calculated output torque, and prioritizing between an input acceleration of the transmission and an output torque of the transmission based upon whether operating the transmission in the operating range state is in transient operation or stable operation. | 2009-05-07 |
20090118916 | METHOD TO MANAGE A HIGH VOLTAGE SYSTEM IN A HYBRID POWERTRAIN SYSTEM - A powertrain includes an electromechanical transmission operative to transmit torque between an input member and an electric machine and an output member to transmit tractive torque. The electric machine is electrically connected to an inverter device which is electrically connected to an energy storage device. A method for operating the powertrain includes detecting a shutdown event, commanding the transmission to neutral, commanding the electric machine to cease operating in a torque generating mode, and electrically disconnecting the energy storage device from the inverter device. | 2009-05-07 |
20090118917 | METHOD AND APPARATUS TO CONTROL LAUNCH OF A VEHICLE HAVING AN ELECTRO-MECHANICAL TRANSMISSION - A method and apparatus to control an electro-mechanical transmission is provided, selectively operative in a plurality of fixed gear modes and continuously variable modes, and comprising first and second electrical machines and hydraulically-actuated clutches. Included is launching a vehicle so equipped, comprising operating the electro-mechanical transmission in a continuously variable mode to transmit motive torque from the first electrical machine to the driveline, and, selectively increasing an operating speed of the engine and selectively actuating a second clutch to transmit motive torque generated by the second electrical machine when an operator torque request exceeds a predetermined threshold. | 2009-05-07 |
20090118918 | METHOD FOR STABILIZATION OF OPTIMAL INPUT SPEED IN MODE FOR A HYBRID POWERTRAIN SYSTEM - A method for improving drivability of the powertrain system having an accelerator control includes determining a first transmission input speed having an associated first power loss and operating said transmission using said first transmission input speed. An operational parameter relating to said accelerator control is determined and a second transmission input speed responsive to said operational parameter and having an associated second power loss is determined. The value of at least one of said first and second power loss is biased based on said operational parameter. The first power loss is compared to said second power loss subsequent to the biasing. A third transmission input speed is determined and the transmission is operated using the third transmission input speed. | 2009-05-07 |
20090118919 | METHOD FOR DETERMINING INERTIA EFFECTS FOR A HYBRID POWERTRAIN SYSTEM - A method for controlling a hybrid powertrain system based upon determined inertial effects for a continuously variable operating range state includes monitoring an operator torque request and a rotational speed of the output member, determining an inertial effect on an input speed of the input member for a continuously variable operating range state, and controlling motor torque outputs from the electric machines to meet the operator torque request based upon the inertial effect on the input speed of the input member. | 2009-05-07 |
20090118920 | OPTIMAL SELECTION OF HYBRID RANGE STATE AND/OR INPUT SPEED WITH A BLENDED BRAKING SYSTEM IN A HYBRID ELECTRIC VEHICLE - A method for operating a vehicle includes determining a transmission input speed, operating the transmission using the transmission input speed, and providing a braking torque request to cause braking of the vehicle according to a scheme selected from the group consisting of a first braking mode and a second braking mode. The transmission input speed and the transmission operating range state are dependent on said braking torque request in the first braking mode, and wherein the transmission operating state, but not the transmission input speed, is dependent on the braking torque request in the second braking mode. | 2009-05-07 |
20090118921 | METHOD FOR STABILIZATION OF MODE AND FIXED GEAR FOR A HYBRID POWERTRAIN SYSTEM - A powertrain system includes an engine mechanically coupled to an electro-mechanical transmission selectively operative in one of a plurality of transmission operating range states and one of a plurality of engine states. A method for controlling the powertrain system includes determining a current transmission operating range state and a current engine state, determining at least one potential transmission operating range state and engine state, determining preferability factors associated with the current and potential transmission operating range state and the engine state, preferentially weighting the preferability factors for the current transmission operating range state and engine state, and selectively commanding changing the present transmission operating range state and engine state based upon the preferability factors. | 2009-05-07 |
20090118922 | METHOD AND APPARATUS FOR SOFT COSTING INPUT SPEED AND OUTPUT SPEED IN MODE AND FIXED GEAR AS FUNCTION OF SYSTEM TEMPERATURES FOR COLD AND HOT OPERATION FOR A HYBRID POWERTRAIN SYSTEM - Methods and systems for manipulating inputs relating to transmission shifting events in a hybrid-engine powered vehicle equipped with an electro-mechanical hybrid transmission include sets of preferability factors inputted from engine sensors are combined in a microprocessor or computer with other preferability factors generated during engine and vehicle operation to provide an output for a transmission control module, which may execute an operating range or engine state change. Desirable input speeds for a transmission are determined by defining minimum input speeds for each potential transmission operating range state, and ascribing biasing costs to potential transmission input speeds which are slower than the minimum input speeds defined for each potential transmission operating range state. A single transmission input speed is selected and preferability factors are determined, which are preferentially weighted to enable selective commandment of changes in the transmission operating range state and engine state. | 2009-05-07 |
20090118923 | METHOD FOR CONTROLLING A POWERTRAIN SYSTEM BASED ON PENALTY COSTS - A method for controlling a powertrain system includes monitoring an operator torque request, selecting a candidate powertrain system operating point, and determining a preferred engine torque range, a preferred torque machine torque range, and a preferred energy storage device output power range. The method further includes determining an engine torque, a torque machine torque, and an energy storage device output power based upon the operator torque request and the candidate powertrain system operating point. Power costs for operating the powertrain at the candidate powertrain system operating point are determined based on the determined engine torque, the determined torque machine torque, and the determined energy storage device output power range. Penalty costs are determined relative to the preferred engine torque range, the preferred torque machine torque range, and the preferred energy storage device output power range for operating the powertrain at the candidate powertrain system operating point. And, an operating cost for operating the powertrain at the candidate powertrain system operating point is determined based on the power costs and the penalty costs | 2009-05-07 |
20090118924 | SYSTEM CONSTRAINTS METHOD OF DETERMINING MINIMUM AND MAXIMUM TORQUE LIMITS FOR AN ELECTRO-MECHANICAL POWERTRAIN SYSTEM - A powertrain including an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and first and second electric machines to transmit power to an output member is disclosed. A method for controlling the electro-mechanical transmission includes determining minimum and maximum motor torque constraints for the first and second electric machines, and determining available battery power in terms of battery power constraints. One of a first, a second and a third case is determined based upon the motor torque constraints and the battery power constraints. A preferred output torque is determined for transmitting to the output member of the electro-mechanical transmission. | 2009-05-07 |
20090118925 | SYSTEM CONSTRAINTS METHOD OF CONTROLLING OPERATION OF AN ELECTRO-MECHANICAL TRANSMISSION WITH TWO EXTERNAL INPUT TORQUE RANGES - A method to control an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and first and second electric machines to transmit power to an output member includes determining motor torque constraints and battery power constraints. A preferred output torque to an output member is determined that is achievable within the motor torque constraints and is achievable within a range for a first torque input and is achievable within a range for a second torque input and is based upon the battery power constraints. | 2009-05-07 |
20090118926 | METHOD FOR CONTROLLING INPUT TORQUE PROVIDED TO A TRANSMISSION - A method for controlling an input torque provided to a transmission includes executing a first iterative search within a first range of permissible torque values to determine a first torque value based on a first cost value. The first cost value is based on a first set of powertrain measurements measured at a first time. A second cost value based on a second torque value and the first set of powertrain measurements measured at the first time is calculated. The second torque value is determined using a second set of powertrain measurements measured at a second time prior to the first time. One of the first torque value and the second torque value is then selected based on the first cost value and the second cost value. | 2009-05-07 |
20090118927 | METHOD FOR CONTROLLING A SPEED LEVEL AND TORQUE OF AN ENGINE WITHIN A POWERTRAIN - A method to determine a preferred operating point for an internal combustion engine includes determining a current set of candidate operating points for a current search iteration. The method further includes iteratively determining an operating cost for operating the internal combustion engine at each candidate operating point of the current search iteration, and determining the preferred operating point for operating the internal combustion engine after a predetermined number of search iterations. | 2009-05-07 |
20090118928 | CONTROL OF ENGINE TORQUE FOR TRACTION AND STABILITY CONTROL EVENTS FOR A HYBRID POWERTRAIN SYSTEM - An internal combustion engine is mechanically coupled to a hybrid transmission to transmit mechanical power to an output member. A method for controlling the internal combustion engine includes determining an accelerator output torque request based upon an operator input to the accelerator pedal, and determining an axle torque response type. A preferred input torque from the engine to the hybrid transmission is determined based upon the accelerator output torque request. An allowable range of input torque from the engine which can be reacted with the hybrid transmission is determined based upon the accelerator output torque request and the axle torque response type. The engine is controlled to meet the preferred input torque when the preferred input torque is within the allowable range of input torque from the engine. The engine is controlled within the allowable range of input torque from the engine when the preferred input torque is outside the allowable range of input torques from the engine. | 2009-05-07 |
20090118929 | PREDICTED AND IMMEDIATE OUTPUT TORQUE CONTROL ARCHITECTURE FOR A HYBRID POWERTRAIN SYSTEM - A method for controlling torque in a hybrid powertrain system to selectively transfer mechanical power to an output member includes monitoring operator inputs to an accelerator pedal and to a brake pedal. An immediate accelerator output torque request, a predicted accelerator output torque request, an immediate brake output torque request, a predicted brake output torque request, and an axle torque response type are determined. An output torque command to the output member of the transmission is determined based upon the immediate accelerator output torque request and the immediate brake output torque request. | 2009-05-07 |
20090118930 | METHOD AND APPARATUS FOR DEVELOPING A CONTROL ARCHITECTURE FOR COORDINATING SHIFT EXECUTION AND ENGINE TORQUE CONTROL - A method for controlling a powertrain system including a transmission mechanically coupled to an engine and an electric machine to transfer power to an output member, the transmission selectively operative in one of a plurality of operating range states includes monitoring operator inputs to an accelerator pedal, determining a preferred operating point of the powertrain based upon the operator inputs, determining a preferred operating range state of the transmission based upon the preferred operating point, determining lead control signals for the engine and the transmission based upon the preferred operating point and the preferred operating range state of the transmission, determining immediate control signals for the electric machine and the transmission, wherein the immediate control signals are based upon a lead period calibrated to a difference in control signal reaction times of the engine and the electric machine in order to effect changes to an actual electric machine output substantially simultaneously with changes to an actual engine output, controlling operation of the engine based upon the lead control signals for the engine and the transmission, and controlling operation of the electric machine based upon the immediate control signals for the electric machine and the transmission. | 2009-05-07 |
20090118931 | METHOD AND APPARATUS TO REPROFILE INPUT SPEED DURING SPEED PHASE DURING CONSTRAINED CONDITIONS FOR A HYBRID POWERTRAIN SYSTEM - A method to control a powertrain including a transmission, an engine, and an electric machine includes monitoring an input speed, monitoring an output speed, upon initiation of a transmission shift, determining a plurality of input acceleration profiles for controlling the engine and electric machine during the shift, identifying an input acceleration constraint affecting one of the input acceleration profiles, reprofiling the input acceleration profiles based upon the identified input acceleration constraint, and controlling operation of the engine and electric machine based upon the reprofiled input acceleration profiles. | 2009-05-07 |
20090118932 | ENGINE CONTROL SYSTEM FOR TORQUE MANAGEMENT IN A HYBRID POWERTRAIN SYSTEM - An engine is coupled to an input member of a hybrid transmission, the hybrid transmission operative to transfer power between the engine and a second torque machine and an output member. A method for controlling the engine includes monitoring an operator torque request, commanding operation of the hybrid transmission in a continuously variable operating range state, determining engine commands comprising a first engine torque request and a second engine torque request based upon the operator torque request and the operation of the hybrid transmission, determining an engine torque constraint comprising a maximum engine torque based upon a capacity of the hybrid transmission to react the engine torque, and controlling engine operation based upon the first engine torque request only when the second engine torque request exceeds the engine torque constraint. | 2009-05-07 |
20090118933 | METHOD TO COMPENSATE FOR TRANSMISSION SPIN LOSS FOR A HYBRID POWERTRAIN SYSTEM - A powertrain system includes an engine coupled to an input member of a hybrid transmission. The hybrid transmission is operative to transmit torque between the input member and a torque generating machine and an output member. A method for controlling the powertrain system includes monitoring an operator torque request, determining an output torque command and an output speed of the output member, iteratively selecting candidate input speeds to the input member, determining mechanical power loss in the hybrid transmission for each of the candidate input speeds and the output speed, and selecting a preferred input speed comprising the candidate input speed that achieves a minimum mechanical power loss in the hybrid transmission at the output speed. | 2009-05-07 |
20090118934 | METHOD FOR DETERMINING A PREFERRED ENGINE OPERATION IN A HYBRID POWERTRAIN SYSTEM DURING BLENDED BRAKING - A hybrid transmission is operative to transfer power between an input member and a torque machine and an output member. A method for controlling the powertrain system during a braking event includes evaluating candidate input torques. An output torque reactable through the transmission to the driveline and limited within the range of permissible output torques is determined for the candidate engine input torque. A preferred input torque is determined. | 2009-05-07 |
20090118935 | METHOD FOR CONTROLLING A HYBRID POWERTRAIN SYSTEM BASED UPON HYDRAULIC PRESSURE AND CLUTCH REACTIVE TORQUE CAPACITY - A powertrain system includes an engine coupled to an electro-mechanical transmission to transfer power between the engine and a plurality of torque generating machines and an output member. The transmission is operative in one of a plurality of operating range states through selective application of torque transfer clutches and the engine is operatively coupled to a main hydraulic pump to supply pressurized fluid to a hydraulic circuit operative to apply the torque transfer clutches. A method for controlling the powertrain system includes determining an output torque request to the output member, determining a pressure output of the main hydraulic pump based upon an engine input speed, calculating a clutch reactive torque capacity for each applied torque transfer clutch based upon the pressure output of the main hydraulic pump, and determining a preferred engine input speed to achieve the clutch reactive torque capacity to meet the output torque request to the output member. | 2009-05-07 |
20090118936 | CONTROL OF ENGINE TORQUE DURING UPSHIFT AND DOWNSHIFT TORQUE PHASE FOR A HYBRID POWERTRAIN SYSTEM - A powertrain includes an electromechanical transmission mechanically-operatively coupled to an internal combustion engine and an electric machine adapted to selectively transmit mechanical power to an output member through selective application of a plurality of clutches. A method for controlling the powertrain includes commanding a shift from a fixed gear operating range state to a second operating range state, commanding decreased reactive torque through an off-going clutch during a torque phase of said commanded shift, and decreasing said reactive torque through said off-going clutch through control of engine input torque. | 2009-05-07 |
20090118937 | METHOD FOR OPERATING A POWERTRAIN SYSTEM TO TRANSITION BETWEEN ENGINE STATES - A powertrain system includes a multi-cylinder engine coupled to a hybrid transmission. The engine is selectively operative in one of a plurality of main engine states to transfer engine torque to the hybrid transmission. A method for operating a powertrain system includes monitoring an operator torque request, determining a preferred main engine state and a preferred engine torque associated with the preferred engine state, determining an engine state transition path from a present main engine state to the preferred main engine state including an engine transition state, and executing the engine state transition path between the present main engine state and the preferred main engine state and adjusting engine torque to the preferred engine torque. | 2009-05-07 |
20090118938 | METHOD FOR CONTROLLING A POWERTRAIN SYSTEM BASED UPON ENERGY STORAGE DEVICE TEMPERATURE - A powertrain system includes an engine coupled to an input member of a transmission device operative to transmit torque between the input member and a torque machine and an output member. The torque machine is connected to an energy storage device. A method for controlling a powertrain system includes monitoring a temperature of the energy storage device, selecting a candidate powertrain system operating point, determining an output power from the energy storage device associated with the candidate powertrain system operating point, determining a power loss for operating the powertrain system at the candidate powertrain system operating point, and determining operating costs for operating the powertrain system at the candidate powertrain system operating point associated with the power loss and based upon the temperature of the energy storage device. | 2009-05-07 |
20090118939 | METHOD FOR CONTROLLING AN ENGINE OF A HYBRID POWERTRAIN IN A FUEL ENRICHMENT MODE - An engine is coupled to an input member of a hybrid transmission. 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 monitoring the operator torque request, determining a maximum engine torque operating the engine at stoichiometry, determining a maximum motor torque output from the torque machine, determining a maximum output torque from the hybrid transmission when the torque machine is generating the maximum motor torque and the engine is generating the maximum engine torque operating at stoichiometry, and controlling the engine in a fuel enrichment mode when the operator torque request exceeds the maximum output torque from the hybrid transmission when the torque machine is generating the maximum motor torque and the engine is generating the maximum engine torque operating at stoichiometry. | 2009-05-07 |
20090118940 | METHOD FOR OPERATING A POWERTRAIN SYSTEM TO CONTROL ENGINE STABILIZATION - An engine is selectively operative in one of a plurality of engine states to transfer torque to an input member of a hybrid transmission. 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. A method for controlling the engine includes monitoring the operator torque request, determining operating power costs associated with a plurality of candidate engine states in response to the operator torque request, determining transition costs for transitioning the engine from a present engine state to each of the candidate engine states, determining stabilization costs for operating the engine in the present engine state and subsequently operating the engine in each of the candidate engine states, and selecting a preferred engine state based upon the operating power costs, the transition costs, and the stabilization costs for the plurality of engine states. | 2009-05-07 |
20090118941 | METHOD AND APPARATUS FOR DYNAMIC OUTPUT TORQUE LIMITING FOR A HYBRID POWERTRAIN SYSTEM - A powertrain system includes a hybrid transmission device operative to transfer power between an input member and torque machines and an output member in one of a plurality of operating range states. The torque machines are connected to an energy storage device. A method for operating the powertrain system includes determining a permissible range of input operating points to the input member, determining ranges of motor torques for the torque machines, determining an available power range from the energy storage device, selecting a candidate input operating point within the permissible range of input operating points, and determining maximum and minimum achievable output torques transferable to the output member for the candidate engine operating point within the ranges of motor torques for the torque machines and within the available power range from the energy storage device in a candidate operating range state. | 2009-05-07 |
20090118942 | METHOD FOR DETERMINING CONSTRAINTS ON INPUT TORQUE IN A HYBRID TRANSMISSION - A hybrid transmission includes torque machines and an energy storage device connected thereto. Thee hybrid transmission is operative to transfer power between an input member and an output member and the torque machines. A method for controlling the hybrid transmission includes monitoring operating parameters of the hybrid transmission, monitoring an operator demand for power, determining an output torque range to the output member based upon states of the operating parameters of the hybrid transmission, constraining the output torque range to the output member based upon the operator demand for power, and determining input torque constraints to the input member based upon the constrained output torque range to the output member. | 2009-05-07 |
20090118943 | METHOD AND APPARATUS TO DETERMINE A PREFERRED OUTPUT TORQUE IN MODE AND FIXED GEAR OPERATION WITH CLUTCH TORQUE CONSTRAINTS FOR A HYBRID POWERTRAIN SYSTEM - A hybrid transmission is operative to transfer torque between an input member and torque machines and an output member in one of a plurality of fixed gear and continuously variable operating range states through selective application of torque transfer clutches. The torque machines are operative to transfer power from an energy storage device. A method for controlling the hybrid transmission includes operating the hybrid transmission in one of the operating range states, determining a first set of internal system constraints on output torque transferred to the output member, determining a second set of internal system constraints on the output torque transferred to the output member, and determining an allowable output torque range that is achievable within the first set of internal system constraints and the second set of internal system constraints on the output torque transferred to the output member. | 2009-05-07 |
20090118944 | METHOD AND APPARATUS TO DETERMINE A PREFERRED OUTPUT TORQUE FOR OPERATING A HYBRID TRANSMISSION IN A FIXED GEAR OPERATING RANGE STATE - A hybrid transmission includes a torque machine and an energy storage device connected thereto. The hybrid transmission is operative to transfer power between an input member and an output member and the torque machines in a fixed gear operating range state. A method for controlling the hybrid transmission includes determining a preferred output torque, determining a relationship between power from the energy storage device and an output torque of the transmission, determining power constraints from the energy storage device, determining motor torque constraints for the torque machine, determining linear torque constraints to the output torque based upon the motor torque constraints for the torque machine, determining quadratic output torque constraints based upon the power constraints from the energy storage device and the relationship between the power from the energy storage device and the output torque of the transmission device, and determining an output torque to the output member responsive to the preferred output torque and achievable based upon the linear output torque constraints and the quadratic output torque constraints. | 2009-05-07 |
20090118945 | METHOD FOR MANAGING LASH IN A DRIVELINE - A hybrid powertrain system includes a transmission device operative to transfer power between an input member, a torque machine and an output member, the output member coupled to a driveline coupled to a wheel to transfer tractive torque therebetween. A method for controlling the hybrid powertrain system includes monitoring an operator torque request, determining an operating range state of the transmission device, determining a net output torque to the output member based upon the operator torque request, determining a lash state of the driveline, and determining a command for transferring output torque to the output member based upon the operating range state of the transmission device, the net output torque, and the lash state of the driveline. | 2009-05-07 |
20090118946 | METHOD AND APPARATUS TO PROVIDE NECESSARY OUTPUT TORQUE RESERVE BY SELECTION OF HYBRID RANGE STATE AND INPUT SPEED FOR A HYBRID POWERTRAIN SYSTEM - A method for controlling a powertrain system includes determining a current transmission operating range state and engine state, determining at least one potential transmission operating range state and engine state, providing at least one operator torque request, determining preferability factors associated with the current transmission operating range state and engine state, and potential transmission operating range states and engine states, wherein determining preferability factors associated with potential transmission operating range states includes assigning biasing costs to operator torque requests which reside within a pre-determined range of possible operator torque requests for at least two of the potential transmission operating range states, preferentially weighting the preferability factors for the current transmission operating range state and engine state, and selectively commanding changing the transmission operating range state and engine state based upon stheaid preferability factors and the operator torque request. | 2009-05-07 |
20090118947 | METHOD FOR SELECTION OF OPTIMAL MODE AND GEAR AND INPUT SPEED FOR PRESELECT OR TAP UP/DOWN OPERATION - A powertrain system includes an engine mechanically coupled to an electro-mechanical transmission at an input thereto selectively operative in one of a plurality of transmission operating range states and one of a plurality of engine states. A method for controlling the powertrain system includes combining sets of preferability factors inputted from engine sensors in a microprocessor or computer with other preferability factors generated during engine and vehicle operation to provide an output for a transmission control module, which may execute an operating range or engine state change. | 2009-05-07 |
20090118948 | METHOD AND APPARATUS FOR MAXIMUM AND MINIMUM OUTPUT TORQUE PERFORMANCE BY SELECTION OF HYBRID RANGE STATE AND INPUT SPEED FOR A HYBRID POWERTRAIN SYSTEM - A powertrain system includes an engine mechanically coupled to an electro-mechanical transmission selectively operative in one of a plurality of transmission operating range states and one of a plurality of engine states. A method for controlling the powertrain system includes determining a current transmission operating range state and engine state, determining at least one potential transmission operating range state and engine state, providing an operator torque request, determining preferability factors associated with the current transmission operating range state and engine state, and potential transmission operating range states and engine states, preferentially weighting the preferability factors for the current transmission operating range state and engine state, and selectively commanding changing the current transmission operating range state and engine state based upon the preferability factors and the operator torque request. | 2009-05-07 |
20090118949 | METHOD AND APPARATUS FOR DEVELOPING A DECELERATION-BASED SYNCHRONOUS SHIFT SCHEDULE - A method for controlling a powertrain includes monitoring a desired synchronous transmission shift during deceleration of an output member including a desired operating range state, monitoring an output speed, predicting output deceleration through the desired synchronous transmission shift, determining a penalty cost associated with the desired synchronous transmission shift based upon an input speed profile resulting from the predicted output deceleration and from the desired synchronous transmission shift, and executing the synchronous transmission shift based upon the penalty cost. | 2009-05-07 |
20090118950 | METHOD AND APPARATUS TO DETERMINE A PREFERRED OUTPUT TORQUE FOR OPERATING A HYBRID TRANSMISSION IN A CONTINUOUSLY VARIABLE MODE - A hybrid transmission includes a torque machine and an energy storage device connected thereto. The hybrid transmission is operative to transfer power between an input member and an output member and the torque machine in a continuously variable operating range state. A method for controlling the hybrid transmission includes determining a preferred output torque, determining a relationship between power from the energy storage device and an output torque of the transmission, determining power constraints from the energy storage device, determining motor torque constraints for the torque machine, determining linear torque constraints to the output torque based upon the motor torque constraints for the torque machine, determining quadratic output torque constraints based upon the power constraints from the energy storage device and the relationship between the power from the energy storage device and the output torque of the transmission device, and determining an output torque to the output member responsive to the preferred output torque and achievable based upon the linear output torque constraints and the quadratic output torque constraints. | 2009-05-07 |
20090118951 | METHOD FOR DEVELOPING A TRIP COST STRUCTURE TO UNDERSTAND INPUT SPEED TRIP FOR A HYBRID POWERTRAIN SYSTEM - A powertrain system includes an engine mechanically coupled to an electro-mechanical transmission selectively operative in one of a plurality of transmission operating range states and one of a plurality of engine states. A method for controlling the powertrain system includes determining a current transmission operating range state and engine state, determining at least one potential transmission operating range state and engine state, determining preferability factors associated with the current and potential transmission operating range state and the engine state wherein the preferability factors associated with potential transmission operating range states include transmission input speed trip preferability factors, preferentially weighting the preferability factors for the current transmission operating range state and engine state, and selectively commanding changing the present transmission operating range state and engine state based upon the preferability factors. | 2009-05-07 |
20090118952 | CONTROL ARCHITECTURE AND METHOD FOR TWO-DIMENSIONAL OPTIMIZATION OF INPUT SPEED AND INPUT POWER INCLUDING SEARCH WINDOWING - A microprocessor driven two dimensional search engine examines transmission operating points within a plurality of search range spaces and assists in determining properties associated with the driveline at various operating points within the space. The size of the space is reduced by rearrangement of data. | 2009-05-07 |
20090118953 | FLUID SUPPLY DEVICE AND FLUID SUPPLY METHOD OF FLUID COUPLING - An ECU executes a program including outputting, when the oil temperature THO of ATF2009-05-07 | |
20090118954 | METHOD FOR MONITORING AN AUXILIARY PUMP FOR A HYBRID POWERTRAIN - A powertrain system includes a hybrid transmission coupled to an engine and an auxiliary hydraulic pump. The auxiliary hydraulic pump is commanded to operate at a predetermined speed only when enable criteria are met. An engine-off state is inhibited based upon a difference between a commanded speed and a monitored operating speed of the auxiliary hydraulic pump. | 2009-05-07 |
20090118955 | Control device for vehicular drive system - A vehicular drive system switchable between a continuously-variable and step-variable shifting states, and a control device for controlling the vehicular drive system so as to reduce a shifting shock of an automatic transmission included in the drive system, which takes place due to an overlap control involving a switching control of the drive system and a shifting control of the automatic transmission. | 2009-05-07 |
20090118956 | Method for supporting a brake system in case of reduced effectiveness - Disclosed is a method for increasing the braking effect in a motor vehicle with a hydraulic brake system. In the method, in case of a reduced effectiveness of the brake system, a brake pressure in at least one wheel brake is increased by switching on an energy supply unit. A check is made whether a brake pressure (p | 2009-05-07 |
20090118957 | OPTIMAL SELECTION OF BLENDED BRAKING CAPACITY FOR A HYBRID ELECTRIC VEHICLE - A hybrid powertrain system includes a transmission operative to transfer power between an input member and a torque machine and an output member coupled to a driveline coupled to a wheel including an actuable friction brake. The torque machine is operative to react torque transferred from the wheel through the driveline to the output member of the transmission. The torque machine is connected to an energy storage device. A method for operating a hybrid powertrain system includes monitoring an operator torque request input to an accelerator pedal, determining a minimum available power output of the energy storage device, determining a preferred output torque reacted through the output member to the driveline based upon the minimum available power output of the energy storage device, determining a regenerative braking torque capacity comprising a torque range between the preferred output torque reacted through the output member to the driveline and the operator torque request input to the accelerator pedal, and controlling operation of the hybrid powertrain based upon the regenerative braking torque capacity. | 2009-05-07 |
20090118958 | VEHICLE TRAVEL CONTROL DEVICE AND VEHICLE TRAVEL CONTROL METHOD - Target acceleration of a subject vehicle is set; a reference limit value is obtained based on the set target acceleration; actual acceleration of the subject vehicle is obtained; a limit value magnification is calculated so that a limit value for limiting a change of the target acceleration becomes larger as a difference between the set target acceleration and the detected actual acceleration becomes larger; the limit value is calculated; the set target acceleration is limited based on the set limit value; a braking driving force is calculated based on the limited target acceleration; and the calculated braking driving force is generated by a selected braking driving force generating unit. Smooth acceleration and deceleration of the vehicle can be performed according to a travel state of the vehicle, and followability to the set target deceleration can be improved. | 2009-05-07 |
20090118959 | System and method for supplying power to ABS for vehicle - A system and method for supplying power to an Anti-lock Braking System (ABS) for a vehicle includes: determining whether an ignition key has been turned on; comparing voltage of a first battery unit, configured to apply the power to an ABS actuation unit, with voltage of a second battery unit, connected to the first battery unit, if the ignition key has been turned on; determining whether the ABS actuation unit is operating if the voltage of the first battery unit is lower than the voltage of the second battery unit; and charging the first battery unit with the power if the ABS actuation unit is operating, and balancing the voltage of the first battery unit and the voltage of the second battery unit if the ABS actuation unit is not operating. | 2009-05-07 |
20090118960 | Vehicle Stability Control Apparatus - An apparatus for controlling the stability of a vehicle including a controller which is adapted to detect when conditions exist under which vehicle rollover is likely and, when such conditions exist, to trigger an alarm signal or initiate a control intervention by means of which the vehicle travel is controlled to reduce the likelihood of vehicle rollover, wherein the apparatus further includes an accelerometer, the accelerometer being configured to measure the acceleration of the vehicle along two non-parallel axes. | 2009-05-07 |
20090118961 | Method for Regulating The Brake Pressure In Motorcycles - A brake system for motorcycles and a method for regulating the brake pressure in a motorcycle having an anti-lock function and having an integral brake function are provided. By means of the integral brake function, front wheel brake means are actuated in connection with brake actuation at a rear wheel (RW), and a brake pressure (p | 2009-05-07 |
20090118962 | METHOD FOR CONTROLLING OUTPUT POWER OF AN ENERGY STORAGE DEVICE IN A POWERTRAIN SYSTEM - A method for controlling a powertrain system includes monitoring a state-of-charge of the energy storage device and determining a first set of electric power limits and a second set of electric power limits based on the state-of-charge of the energy storage device. The method further includes providing a power range for opportunity charging and discharging of the energy storage device based on the first set of electric power limits. The method further includes providing a power range for controlling output power of the energy storage device based on the second set of electric power limits. | 2009-05-07 |
20090118963 | METHOD FOR ALTITUDE-COMPENSATED TRANSMISSION SHIFT SCHEDULING - A powertrain system includes an engine coupled to a transmission operative in one of a plurality of operating range states to transfer power between the engine and an output member. A method for controlling the powertrain system includes monitoring an operator torque request, monitoring barometric pressure and engine input speed to the transmission, determining an achievable range of input power transferable from the engine to the transmission based upon the barometric pressure and the engine input speed, and determining a preferred operating range state for the transmission and a preferred engine operating point at the preferred operating range state based upon the operator torque request and the achievable range of input power. | 2009-05-07 |
20090118964 | METHOD FOR CONTROLLING ELECTRIC BOOST IN A HYBRID POWERTRAIN - A powertrain system includes an engine coupled to an input member of a transmission operative to transmit power between the input member, a torque machine and an output member. The torque machine is connected to an energy storage device. The engine is selectively operative in engine states comprising an engine-on state and an engine-off state. A method for controlling a powertrain system includes determining a first power range for output power of the energy storage device, commanding the engine to transition from a first engine state to a second engine state, and expanding the first power range of the energy storage device and controlling the torque machine based upon the expanded power range of the energy storage device during the transition from the first engine state to the second engine state. | 2009-05-07 |
20090118965 | RESERVE TORQUE MANAGEMENT FOR ENGINE SPEED CONTROL - An engine control module comprises a base reserve module, a power steering reserve module, a reserve torque module, first and second engine actuator modules, and an engine speed control module. The base reserve module determines a base reserve torque. The power steering reserve module determines a power steering reserve torque. The reserve torque module determines a first reserve torque based on the base reserve torque, the power steering reserve torque, and at least one of an oil temperature of an engine and a barometric pressure. The first and second engine actuator modules control first and second actuators of the engine, respectively. The engine speed control module instructs the first engine actuator module to produce a first torque output from the engine and instructs the second engine actuator module to produce a second torque output from the engine. | 2009-05-07 |
20090118966 | METHOD 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. | 2009-05-07 |
20090118967 | TORQUE 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. | 2009-05-07 |
20090118968 | ENGINE 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. | 2009-05-07 |
20090118969 | METHOD 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. | 2009-05-07 |
20090118970 | SYSTEM 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. | 2009-05-07 |
20090118971 | METHOD 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. | 2009-05-07 |
20090118972 | INVERSE 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. | 2009-05-07 |
20090118973 | APPARATUS, SYSTEM AND METHOD FOR OPERATING A DUAL FUELED SPARK IGNITION ENGINE - Described herein are various embodiments of an apparatus, system and method for operating a dual fueled spark ignition engine. For example, according to one illustrative embodiment, a method for operating a dual fueled spark ignition engine includes fueling the engine solely with a combustion promoter within a first engine load range between zero and an engine load associated with a target combustion condition selected from the group consisting of rough limit, knock limit, and any of various conditions between the rough limit and knock limit. Within the first engine load range, the amount of combustion promoter fueling the engine increases as the load increases. The method further includes fueling the engine on a mixture of ammonia and the combustion promoter within a second engine load range between the engine load associated with the selected target combustion condition and the engine load associated with a maximum operating pressure of the engine. Within the first engine load range, the amount of ammonia fueling the engine increases and the amount of combustion promoter fueling the engine remains substantially constant as the load increases. | 2009-05-07 |
20090118974 | Fuel Injection Control Apparatus And Fuel Injection Control Method Of Internal Combustion Engine - A fuel injection control apparatus of an internal combustion engine is provided with a fuel injection valve that injects fuel directly into a combustion chamber and a controller. When the engine is cold started (i.e., YES in step S | 2009-05-07 |
20090118975 | CONTROL FOR INTERNAL COMBUSTION ENGINE PROVIDED WITH CYLINDER HALTING MECHANISM - A control for an internal combustion engine having a fuel injection valve for directly injecting fuel to a combustion chamber of the engine, an ignition device for burning an air-fuel mixture containing the fuel injected from the fuel injection valve, and a variable cylinder management mechanism that is capable of changing the number of operating cylinders is provided. The control includes making a transition to an operating mode where the number of operating cylinders is decreased through the variable cylinder management mechanism. It is predicted based on an operating condition of the engine that an air-fuel ratio of an exhaust atmosphere of the engine becomes lean due to a stop of the fuel injection into one or more cylinders to be halted by the transition. If it is predicted that the air-fuel ratio of the exhaust atmosphere of the engine becomes lean, additional fuel is injected from the fuel injection valve to the one or more cylinders to be halted after ignition performed by the ignition device in a combustion cycle where the prediction is made. | 2009-05-07 |
20090118976 | FUEL INJECTION QUANTITY CONTROL SYSTEM FOR GENERAL-PURPOSE ENGINE - A fuel injection control system corrects the amount of fuel injected by fuel injection valves toward an increased side when an acceleration state resulting from operation of a throttle occurs. A control unit includes a detector, an acceleration state determinor, and an acceleration corrector. When an increase in the detected value is a predetermined value or more within a first predetermined time period, the acceleration state determiner determines that a state is an acceleration state and inputs a signal inducing fuel-amount-increase correction to the acceleration corrector. When the state where an amount of change in the detected value reaches a predetermined value or more in an increasing or decreasing direction within a first predetermined time period continuously occurs a predetermined number of times or more before a second predetermined time period expires, determination of the acceleration state is stopped until a third predetermined time period passes. | 2009-05-07 |
20090118977 | CYLINDER FUELING COORDINATION FOR TORQUE ESTIMATION AND CONTROL - An engine control system comprises a torque control module and a fueling control module. The torque control module selectively generates a deactivation signal for a first cylinder of a plurality of cylinders of an engine based on a torque request. The fueling control module halts fuel delivery to the first cylinder based on the deactivation signal. The torque control module increases a spark advance of the engine at a first time after the fueling control module halts fuel injection for the first cylinder. The first time corresponds to an initial time combustion fails to occur in the first cylinder because fuel delivery has been halted. | 2009-05-07 |
20090118978 | COMBUSTION CONTROL SYSTEM OF A DIESEL ENGINE - A combustion control system of a diesel engine, which controls a fuel-injection timing by switching from one to another of a normal combustion mode, a premix combustion mode, and a transition mode of between these modes, and switches from the normal combustion mode to the transition mode if an intake oxygen density is equal to or lower than a predetermined value in the normal combustion mode. | 2009-05-07 |
20090118979 | THROTTLE CONTROLLING APPARATUS FOR DIESEL ENGINE WITH SUPERCHARGER - An apparatus for controlling a throttle opening degree of a diesel engine with a supercharger is disclosed. The apparatus includes an electronic control unit having functions of detecting section, a computing section, a correcting section, and a correction limiting/inhibiting section. The detecting section detects the atmospheric pressure, and the computing section computes an atmospheric pressure correction value with respect to the throttle opening degree based on the detected atmospheric pressure. The correcting section corrects the throttle opening degree in accordance with the atmospheric pressure correction value. When the degree of separation of an actual charging pressure from a target charging pressure in the supercharger is les than a predetermined value, the correction limiting/inhibiting section limits or inhibits correction of the throttle opening degree in accordance with the atmospheric pressure correction value. | 2009-05-07 |
20090118980 | CONTROL APPARATUS AND METHOD FOR INTERNAL COMBUSTION ENGINE - An engine ECU ( | 2009-05-07 |
20090118981 | FUEL INJECTOR WITH FUEL PRESSURE SENSOR - A fuel injector for an internal combustion engine is provided. The fuel injector is equipped with a fuel pressure sensor which is installed in a metallic injector body. The fuel injector also includes an amplifier working to amplify an output of the fuel pressure sensor and a thermal insulating member disposed between the metallic injector body and the amplifier to shield the amplifier thermally, thereby ensuring the accuracy in measuring the pressure of fuel within the fuel injector. | 2009-05-07 |
20090118982 | FUEL INJECTOR WITH ELECTRIC SHIELD - A fuel injector for an internal combustion engine is provided. The fuel injector is equipped with a fuel pressure sensor, a sensor circuit such as an amplifier, and a valve actuator such as a piezoelectric actuator. The fuel injector also includes a conductive shield which is disposed between the sensor circuit and actuator drive terminals to supply electric power to the actuator and works to shield the sensor circuit from electric noises arising from the drive terminals, thereby minimizing the addition of the noises to an output of the fuel pressure sensor, as being processed in the sensor circuit, and ensuring the accuracy in determining the pressure of fuel based on the output of the fuel pressure sensor. | 2009-05-07 |
20090118983 | FUEL INJECTOR DESIGNED TO MINIMIZE MECHANICAL STRESS ON FUEL PRESSURE SENSOR INSTALLED THEREIN - A fuel injector for an internal combustion engine is provided. The fuel injector is to be installed in a cylinder head of the engine and has a fuel pressure sensor working to measure the pressure of fuel within a injector body. The fuel pressure sensor is installed in a portion of the injector body which is to be located away from the cylinder head of the engine across a portion of the injector body on which a mechanical pressure is exerted by an external member such as a fuel supply pipe or a fuel drain pipe, thereby keeping the fuel pressure sensor free from internal stress, as arising from the mechanical pressure exerted on the injector body, to ensure the accuracy in measuring the pressure of the fuel. | 2009-05-07 |
20090118984 | Ignition Method with Energy Conservation and Environmental Protection for Gasoline Engine - This invention makes known by a method of the ignition, which is energy conservation and environmental protection. Its characteristic is that the ignitor can fire possibly to close with the point of ignition which is under the control of digital single-chip microcomputer-controlled circuit in some working conditions. The degree of approach in proportion as the speed of operation, so that the engine output speed namely the engine output power is highest. The present invention needn't preset the so-called the best ignition curve which does not exist, but it adjusts the ignition time automatically base on the working conditions of engine. This method ensures the present system could fire at the best time in any working conditions. This technology applies to products which use gasoline engine, for example, cars, motorbikes. | 2009-05-07 |
20090118985 | SECURED COUNT OF CYLINDERS FUELED IN A COORDINATED TORQUE CONTROL SYSTEM - A control system for a vehicle includes a first counter that indicates a first count of a number of cylinders of an engine of the vehicle that are fueled. A second counter indicates a second count of the number of cylinders that are fueled. A control module determines a secure count based on the first count and the second count. The control module adjusts torque output of the engine based on the secure count. | 2009-05-07 |
20090118986 | CONTROL DEVICE OF DIRECT INJECTION INTERNAL COMBUSTION ENGINE - When engine rotation speed is increasing in a compression stroke injection mode, a control device determines that a crank angle at injection end timing of an injector deviates toward a delayed crank angle side and performs additional ignition at timing when (or immediately before or after) a crank angle at actual injection end timing of the injector of a present injection cylinder is reached. Thus, even when the crank angle at the injection end timing deviates toward the delayed crank angle side with respect to preset original ignition timing, a combustion state can be stabilized by performing the additional ignition at timing, at which a suitable stratified mixture gas is formed in a cylinder, through the execution of the additional ignition at the timing substantially the same as the actual injection end timing. | 2009-05-07 |
20090118987 | Air-fuel ratio control apparatus - An air-fuel ratio control apparatus is applied to an internal combustion engine including a variable lift mechanism which changes a lift amount of an intake valve. An oxygen sensor, which outputs a signal indicating an oxygen concentration in exhaust gas, is provided downstream of an exhaust gas purification catalyst in an exhaust passage of the internal combustion engine. Air-fuel ratio control is performed to correct the fuel injection amount command value using the correction amount that is set based on the value output from the oxygen sensor. The relationship among the deviation of the correction amount from its reference value, the learned small lift value, the learned medium lift value, and the lift amount is learned. The learned deviation value is calculated based on the lift amount, using the learned relationship. Then, the fuel injection amount command value is corrected by the correction amount including the calculated learned deviation value. | 2009-05-07 |
20090118988 | TORQUE CONVERTER CLUTCH CONTROL SYSTEM AND POST OXYGEN SENSOR PERFORMANCE DIAGNOSTIC SYSTEM - A system comprises a post oxygen performance diagnostic (POPD) module that performs a POPD of a post oxygen sensor, wherein the POPD includes a deceleration fuel cutoff (DFCO) portion. A torque converter control module adjusts operation of a torque converter clutch (TCC). The POPD module and the torque converter control module operate the TCC to control engine speed above a predetermined engine speed during the DFCO portion of the POPD. A method comprises performing a POPD of a post oxygen sensor, wherein the POPD includes a deceleration fuel cutoff (DFCO) portion and adjusting operation of a torque converter clutch (TCC) to control engine speed above a predetermined engine speed during the DFCO portion of the POPD. | 2009-05-07 |
20090118989 | Knock signal detection in automotive systems - In an automotive system ( | 2009-05-07 |
20090118990 | Internal Combustion Engine System and Misfire Determining Method for Internal Combustion Engine - An influence component N | 2009-05-07 |
20090118991 | AFTER-STOP FUEL PRESSURE CONTROL DEVICE OF DIRECT INJECTION ENGINE - A pressure reducing valve is provided for reducing fuel pressure in a high-pressure fuel system, which supplies high-pressure fuel from a high-pressure pump to an injector, after an engine stops. An ECU detects or estimates an engine stop position when the engine stops and sets after-stop target fuel pressure in accordance with the detected or estimated engine stop position. The ECU controls a valve opening action of the pressure reducing valve to reduce the fuel pressure in the high-pressure fuel system to the after-stop target fuel pressure after the engine stops. In the control, the ECU sets the after-stop target fuel pressure to be lower as a piston position of a cylinder in a compression stroke at the engine stop position is closer to a top dead center. | 2009-05-07 |
20090118992 | METHOD FOR CONTROLLING A START-UP OF AN INTERNAL COMBUSTION ENGINE - Method for controlling a start-up of an internal combustion engine, an actuation of the internal combustion engine being begun and maintained by an electric machine in order to set the internal combustion engine into independent motion, thereby characterized, in that the actuation of the internal combustion engine is concluded before an initial combustion in the internal combustion engine takes place | 2009-05-07 |
20090118993 | Adapting Indicated Engine Torque During Regeneration of a Diesel Particulate Filter - In a motor vehicle powertrain that includes a diesel engine, a particulate filter and a torque converter, a method for correcting an indicated engine output torque includes estimating a magnitude of torque being transmitted from the engine to the torque converter while regenerating the particulate filter, determining a reference magnitude of current engine torque being produced while regenerating the particulate filter, determining a torque error from a difference between the estimated magnitude and the reference magnitude, recording the torque error, determining a current torque error from the recorded torque error using a current engine speed and a current reference engine torque as indices to the recorded engine toque error, producing a corrected engine torque from the sum of the current torque error and the current reference engine torque, and using the corrected engine torque to control operation of the transmission. | 2009-05-07 |
20090118994 | Vehicle and lane recognizing device - A lane recognizing device comprises: an image processing means which performs a process of estimating a lane of a road by processing an image of the road and outputs a result of the process as first lane information; a lane estimating means which performs a process of estimating the lane using a map data of the road and the current position information of a vehicle and outputs a result of the process as second lane information; and an actual lane recognizing means which recognizes an actual lane of the road on the basis of the first lane information and the second lane information. Thereby, even if there is an unpredictable skid mark or road repaired part, it is possible to detect the lane accurately while increasing the opportunities for detecting the lane as much as possible by processing the road image and obtaining the road information and the map data. | 2009-05-07 |
20090118995 | AUTOMATED LOCATION-INTELLIGENT TRAFFIC NOTIFICATION SERVICE SYSTEMS AND METHODS - Traffic notification systems include a location determination system that is configured to determine a geographic location of a subscriber and an automated traffic notification system that is configured to automatically transmit a traffic notification message that is based on the geographic location of the subscriber to a wireless terminal that is associated with the subscriber. | 2009-05-07 |
20090118996 | System and method for determining a prediction of average speed for a segment of roadway - The present invention provides a system and method for determining the necessary departure time to allow for an on-time or desired arrival time at a particular location over a particular route based on the evaluation of historic, present, and predicted road conditions. | 2009-05-07 |
20090118997 | Integrated flight data interface for airport traffic control towers - A method of displaying electronic flight data together with airport surface detection data in an airport traffic control tower system. The Integrated Electronic Flight Data Interface incorporates Electronic Flight Data with a surface surveillance system. | 2009-05-07 |
20090118998 | Flight Tracking Display Systems and Methods - A computer-based method of displaying real time flight information for aircraft. includes retrieving data previously stored for which there is real time flight information and causing display, on a screen of a client computing device, automatically and repetitively of a plurality of views of a geographic map. Such views collectively display all viewable flights in a pre-specified category. The embodiment additionally includes causing display simultaneously on the screen of the client computing device, with the geographic map, of a list of flights in the pre-specified category. The list scrolls automatically at least to the extent necessary to cause repetitive display of the entire list. Additionally, contents of the list are coordinated with each of the views. | 2009-05-07 |
20090118999 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE TO TRANSMIT POWER TO A DRIVELINE - A method for operating an engine includes defining a two-dimensional search region based upon an input power transmittable between the internal combustion engine and an electromechanical transmission. The method further includes iteratively dividing the two-dimensional search region into a plurality of subregions based upon one of the input power and the input speed, iteratively determining an engine operating point within each of the subregions, iteratively calculating an operating cost to operate the internal combustion engine and the electromechanical transmission to meet the operator torque request for each engine operating point within each of the subregions, and iteratively identifying the subregion having a minimum operating cost to meet the operator torque request. A preferred engine operating point is determined based upon the engine operating point within the identified subregion having the minimum operating cost to meet the operator torque request. | 2009-05-07 |
20090119000 | Method and Device for Determining Mass-Related Variables of a Vehicle - A method for determining mass-related variables of a vehicle is described. Spring compression travel values (L | 2009-05-07 |
20090119001 | Method and system for finding multimodal transit route directions based on user preferred transport modes - A method and system for finding multimodal transit route solutions with a computer software program is described that finds the most efficient transit routes based on user preferred modes of transport. The route finding system has four layers that include a presentation layer, an application layer, a component layer and a database layer. The system input includes a start address, a destination address and preferred mode of transport to find the most efficient transit routes. The transport mode includes public transport, private transport and combination of public and private transports. The system displays the detailed mapped route directions for the user input. The system also includes tools for location based address finder and local guidance. | 2009-05-07 |
20090119002 | Terminal For Satellite Navigation System - A terminal for satellite navigation services includes a first receiver for receiving navigation messages emitted by satellites; an output interface for the output of navigation information; and an activating unit. | 2009-05-07 |
20090119003 | NAVIGATION SYSTEM AND ROUTE GUIDANCE METHOD - A navigation system provides guidance for performing a U-turn. The navigation system includes a processing unit, which acquires guidance route information and road information to determine whether the guidance route requires a turning around in a divided two-lane road. If a turning around is required, the processing unit specifies an extension distance of a connection road of the divided two-lane road. U-turn guidance is provided if the extension distance is at or below a predetermined length, or otherwise, to guidance is provided to prompt a double turn. | 2009-05-07 |
20090119004 | METHOD FOR PROVIDING CONTENTS IN REAL TIME AND NAVIGATION SYSTEM FOR EXECUTING THE METHOD - The present invention relates to a method of providing a content in real time and a navigation system for providing a content in real time which recognizes an allowance time for providing the content by considering a time, a distance, a road straightness from a current guide point to a subsequent guide point, receives the content from a predetermined content providing server in real time, and provides the content during the allowance time. A navigation system for providing a content in real time, the navigation system including: an allowance time recognition unit recognizing an existence of an allowance time for providing the content while navigating; a server connection unit connecting to a predetermined content providing server via a communication network; a content receiving unit receiving the content from the content providing server; and a content providing unit providing the received content during the allowance time. | 2009-05-07 |
20090119005 | Navigation control device, navigation equipment, server and destination setting system - A navigation control device, which is mounted in navigation equipment searching for a route and sets a destination from plural pieces of position information forwarded, includes: accepting portion accepting the plural pieces of position information forwarded from the mobile terminal; present position information acquiring portion acquiring present position information about a present position of the navigation equipment; sequencing portion comparing the present position information acquired by the present position information acquiring portion with the plural pieces of position information accepted by the accepting portion, and sequencing the plural pieces of position information on the basis of a distance from the present position to a destination; and destination setting portion setting the destination on the basis of the position information sequenced by the sequencing portion. | 2009-05-07 |
20090119006 | METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCTS FOR REAL-TIME DEPARTURE ESTIMATIONS FOR TRANSPORTATION SYSTEMS - Methods, systems and computer program products estimate a departure time for a transportation user using a mobile device. A range of departure times, a user location and/or travel time to a station, and a transportation route can be received. Real-time location information for a plurality of transportation units on the transportation route can be received. One or more estimated departure times within the range of departure times can be calculated based on the user location and/or travel distance and the real-time location information of the plurality of transportation units for the transportation route. | 2009-05-07 |
20090119007 | Navigation System - A navigation system including: a map image storage device which stores a map image having a polygon image being correlated to a facility name; a facility information storage device which stores the facility name and a facility location and also correlates the facility name to the facility location; a display device which displays the map image and a pointing image which is movable; a positioning device which specifies a position on the map image with the pointing image; and a destination setting device which sets a destination based on the position specified by the positioning device, wherein in a case where an arbitrary position on the polygon image is specified by the positioning device, the destination setting device retrieves the facility name correlated to the polygon image, retrieves the facility location correlated to the retrieved facility name, and sets the destination to the retrieved facility location. | 2009-05-07 |