Patent application number | Description | Published |
20090037050 | WHEEL LIFTED AND GROUNDED IDENTIFICATION FOR AN AUTOMOTIVE VEHICLE - A control system ( | 02-05-2009 |
20090187324 | Vehicle Stability Control System and Method - A vehicle stability control system comprises a 5-sensor cluster and a stability controller configured to communicate with the 5-sensor cluster and receive signals corresponding to a lateral acceleration, a longitudinal acceleration, a yaw rate, a roll rate, and a pitch rate from the 5-sensor cluster. The stability controller can also be configured to determine a braking amount or a throttle amount to maintain vehicle stability. The system also comprises a brake controller configured to communicate with the stability controller and receive a braking request from the stability controller, and a throttle controller configured to communicate with the stability controller and receive a throttle request from the stability controller. The system may also comprise a braking or throttling command computed based on various scenarios detected by measured and calculated signals. | 07-23-2009 |
20090271073 | STABILITY CONTROL SYSTEM WITH BODY-FORCE-DISTURBANCE HEADING CORRECTION - A yaw stability control system for a vehicle detects and eliminates the vehicle yaw angle resulting from a body-force-disturbance and returns the vehicle to a pre disturbance heading. A yaw rate module generates a signal indicative of the vehicle yaw rate error. A yaw angle error module is triggered in response to a body-force-disturbance being detected by a body-force-disturbance detection unit, and performs integrations of the yaw rate signals to calculate a yaw angle error in order to obtain a correction of the vehicle yaw angle resulting from the body-force-disturbance. A yaw control module uses the yaw angle error in combination with the yaw rate error for a limited time period to generate yaw control signals that are sent to the vehicle brakes and/or active steering system for performing vehicle yaw stability control operations a signal to perform a body-force-disturbance yaw stability control operation for. | 10-29-2009 |
20100017058 | INTEGRATED VEHICLE CONTROL SYSTEM USING DYNAMICALLY DETERMINED VEHICLE CONDITIONS - A vehicle includes a control system that is used to control a vehicle system. The control system determines a roll condition in response to a yaw rate sensor and a pitch rate sensor without having to use a roll rate sensor. A relative roll angle, relative pitch angle, global roll angle, and global pitch angle may also be determined. A safety system may be controlled in response to the roll condition, roll angle, or the pitch angles individually or in combination. | 01-21-2010 |
20100017059 | INTEGRATED VEHICLE CONTROL SYSTEM USING DYNAMICALLY DETERMINED VEHICLE CONDITIONS - A vehicle includes a control system that is used to control a vehicle system. The control system determines a roll condition in response to a yaw rate sensor and a pitch rate sensor without having to use a roll rate sensor. A relative roll angle, relative pitch angle, global roll angle, and global pitch angle may also be determined. A safety system may be controlled in response to the roll condition, roll angle, or the pitch angles individually or in combination. | 01-21-2010 |
20100017061 | INTEGRATED VEHICLE CONTROL SYSTEM USING DYNAMICALLY DETERMINED VEHICLE CONDITIONS - A vehicle includes a control system that is used to control a vehicle system. The control system determines a roll condition in response to a yaw rate sensor and a pitch rate sensor without having to use a roll rate sensor. A relative roll angle, relative pitch angle, global roll angle, and global pitch angle may also be determined. A safety system may be controlled in response to the roll condition, roll angle, or the pitch angles individually or in combination. | 01-21-2010 |
20100017066 | INTEGRATED VEHICLE CONTROL SYSTEM USING DYNAMICALLY DETERMINED VEHICLE CONDITIONS - A vehicle includes a control system that is used to control a vehicle system. The control system determines a roll condition in response to a yaw rate sensor and a pitch rate sensor without having to use a roll rate sensor. A relative roll angle, relative pitch angle, global roll angle, and global pitch angle may also be determined. A safety system may be controlled in response to the roll condition, roll angle, or the pitch angles individually or in combination. | 01-21-2010 |
20100036557 | SYSTEM FOR DYNAMICALLY DETERMINING AXLE LOADINGS OF A MOVING VEHICLE USING INTEGRATED SENSING SYSTEM AND ITS APPLICATION IN VEHICLE DYNAMICS CONTROLS - A vehicle ( | 02-11-2010 |
20100094510 | SYSTEM FOR DYNAMICALLY DETERMINING VEHICLE REAR/TRUNK LOADING FOR USE IN A VEHICLE CONTROL SYSTEM - A control system ( | 04-15-2010 |
20100106358 | SYSTEM FOR DYNAMICALLY DETERMINING VEHICLE REAR/TRUNK LOADING FOR USE IN A VEHICLE CONTROL SYSTEM - A control system ( | 04-29-2010 |
20100106360 | SYSTEM AND METHOD FOR DYNAMICALLY DETERMINING VEHICLE LOADING AND VERTICAL LOADING DISTANCE FOR USE IN A VEHICLE DYNAMIC CONTROL SYSTEM - A control system ( | 04-29-2010 |
20100106369 | SYSTEM AND METHOD FOR DYNAMICALLY DETERMINING VEHICLE LOADING AND VERTICAL LOADING DISTANCE FOR USE IN A VEHICLE DYNAMIC CONTROL SYSTEM - A control system ( | 04-29-2010 |
20100106370 | SYSTEM AND METHOD FOR DYNAMICALLY DETERMINING VEHICLE LOADING AND VERTICAL LOADING DISTANCE FOR USE IN A VEHICLE DYNAMIC CONTROL SYSTEM - A control system ( | 04-29-2010 |
20100106376 | SYSTEM AND METHOD FOR DYNAMICALLY DETERMINING VEHICLE LOADING AND VERTICAL LOADING DISTANCE FOR USE IN A VEHICLE DYNAMIC CONTROL SYSTEM - A control system ( | 04-29-2010 |
20100106377 | SYSTEM AND METHOD FOR DYNAMICALLY DETERMINING VEHICLE LOADING AND VERTICAL LOADING DISTANCE FOR USE IN A VEHICLE DYNAMIC CONTROL SYSTEM - A control system ( | 04-29-2010 |
20100168961 | SYSTEM AND METHOD FOR QUALITATIVELY DETERMINING VEHICLE LOADING CONDITIONS - A control system ( | 07-01-2010 |
20110010048 | VEHICLE LOADING BASED VEHICLE DYNAMIC AND SAFETY RELATED CHARACTERISTIC ADJUSTING SYSTEM - A method of controlling a controllable chassis system or a safety system ( | 01-13-2011 |
20110066325 | CURVE-RELATED ACCIDENT MITIGATION - A vehicle control system includes one or more driver intent detection devices to detect at least a curve-negotiating intention of a driver. The system also includes one or more curvature detection devices, to detect or otherwise determine a road curvature. The system further includes one or more overspeed control devices, to, based at least in part on data received from the one or more curvature detection devices and data received from the one or more driver intent detection devices, cause braking to one or more vehicle tires and/or reducing engine torque to keep a vehicle accurately negotiating the curved road for the current driving condition. | 03-17-2011 |
20110082623 | SYSTEM FOR VEHICLE CONTROL TO MITIGATE INTERSECTION COLLISIONS AND METHOD OF USING THE SAME - A control system and method to mitigate intersection crashes is disclosed. In one embodiment, the system includes an electronic control module equipped with memory and in communication with at least one radar sensor system, at lest one environmental sensor system, at least one vehicle stability system, an operator advisory system, a brake control system, a controllable steering system, and a powertrain control system. In one embodiment, the method may include determining whether a vehicle is entering an intersection, determining whether the operator is responding correctly to the sensed conditions in the intersection, activating the controlled brakes, determining any intersection threat, determining whether any sensed threat is imminent, activating the accident mitigation adviser, reducing engine torque while in the intersection, and actuating steering and brake control systems while in the intersection. | 04-07-2011 |
20110087398 | GPS BASED PITCH SENSING FOR AN INTEGRATED STABILITY CONTROL SYSTEM - A system and method for sensing vehicle global pitch angle and rate that uses global velocities measured from a single antenna global positioning system (GPS) receiver together with sensor fusion algorithms involving sensor signals and other computed signals. This constructed, or computed, vehicle body's pitch angle may replace the role of a pitch rate sensor in an integrated stability control system. Namely, it achieves enhanced vehicle state estimation without the need for a pitch rate sensor. | 04-14-2011 |
20110102166 | VEHICLE AND METHOD OF ADVISING A DRIVER THEREIN - A vehicle may include a driver interface and at least once controller operatively arranged with the interface. The at least one controller may be configured to categorize a driver's dynamic control of the vehicle by type, determine a target speed of a road curvature, and determine a speed of the vehicle. The at least one controller may be further configured to determine a threshold distance based on the type, determine a distance between the vehicle and the curvature, and generate an alert for the driver if the distance is less than the threshold and the speed is greater than the target. | 05-05-2011 |
20110106334 | VEHICLE AND METHOD FOR ADVISING DRIVER OF SAME - A method for advising a driver of a vehicle may include monitoring driver torque requests, establishing categories of driver behavior based on a history of driver torque requests and associated rates of change thereof, categorizing current driver behavior into one of the established categories based on current driver torque requests and associated rates of change thereof, and initiating an alert for the driver if the categorization is of a particular type. | 05-05-2011 |
20110106381 | VEHICLE AND METHOD OF TUNING PERFORMANCE OF SAME - A method for tuning a vehicle's performance may include measuring a plurality of parameters representing the vehicle's current handling condition and the vehicle's limit handling condition, determining a margin between the vehicle's current handling condition and limit handling condition, characterizing the driver's dynamic control of the vehicle based on the margin, and altering at least one tunable vehicle performance parameter based on the characterization. | 05-05-2011 |
20110130926 | INTEGRATED CONTROL SYSTEM FOR STABILITY CONTROL OF YAW, ROLL AND LATERAL MOTION OF A DRIVING VEHICLE USING AN INTEGRATED SENSING SYSTEM WITH PITCH INFORMATION - An integrated stability control system using the signals from an integrated sensing system for an automotive vehicle includes a plurality of sensors sensing the dynamic conditions of the vehicle. The sensors include an IMU sensor cluster, a steering angle sensor, wheel speed sensors, any other sensors required by subsystem controls. The signals used in the integrated stability controls include the sensor signals; the roll and pitch attitudes of the vehicle body with respect to the average road surface; the road surface mu estimation; the desired sideslip angle and desired yaw rate from a four-wheel reference vehicle model; the actual vehicle body sideslip angle projected on the moving road plane; and the global attitudes. The demand yaw moment used to counteract the undesired vehicle lateral motions (under-steer or over-steer or excessive side sliding motion) are computed from the above-mentioned variables. The braking control is a slip control whose target slip ratios at selective wheels or wheel are directly generated from the request brake pressures computed from the demand yaw moment. | 06-02-2011 |
20110187520 | VEHICLE AND METHOD FOR ADVISING DRIVER OF SAME - A method for advising a driver of a vehicle may include measuring a plurality of parameters representing the vehicle's current handling condition and the vehicle's limit handling condition, determining a margin between the vehicle's current handling condition and limit handling condition, and initiating an alert for the driver before the vehicle achieves the limit handling condition if the margin exceeds a predetermined threshold. | 08-04-2011 |
20110187522 | VEHICLE AND METHOD OF ADVISING A DRIVER THEREIN - A vehicle may include a driver interface and at least one controller operatively arranged with the interface. The at least one controller may be configured to determine a speed and acceleration of the vehicle, to predict a time until a future speed of the vehicle exceeds a predefined speed based on the predefined speed and the speed and acceleration of the vehicle, and to issue an alert via the interface if the time is less than a predefined time. | 08-04-2011 |
20110193693 | VEHICLE AND METHOD FOR ADVISING DRIVER OF SAME - A method for advising a driver of a vehicle including a haptic driver interface may include determining a speed of the vehicle, determining a distance between the vehicle and another vehicle, and activating the haptic driver interface based on the speed and distance. | 08-11-2011 |
20110288697 | Electric Motor Enhanced Driveability In Vehicle Handling And Stability Control Events - A system and method are disclosed for controlling a vehicle during a turn in which a braking torque is applied to an inside wheel of the vehicle when understeer is detected and to an outside wheel when oversteer is detected. Electrical energy commanded to an electric motor coupled to a first axle of the vehicle is increased in response to application of the braking torque to compensate for the applied braking torque. | 11-24-2011 |
20120004819 | METHOD AND DEVICE FOR PROVIDING BRAKING ASSISTANCE IN A MOTOR VEHICLE AFTER AN INITIAL COLLISION - A method and system for providing braking assistance in a motor vehicle after an initial collision involves detecting an initial collision, pre-charging a brake system, detecting an intent to brake on the part of a driver, and providing assistance to a braking process by means of a braking assistance system on the basis of the detection of the initial collision and the detection of intent to brake on the part of the driver. | 01-05-2012 |
20120203399 | VEHICLE WITH IDENTIFICATION SYSTEM - A vehicle may include an identification system configured to acquire information from a token in a vicinity of the vehicle and to classify a driver of the vehicle based on the information. The vehicle may also include at least one controller in communication with the identification system and configured to characterize a driver's control of the vehicle and to record a history of the characterization if the driver classification is of a particular type. | 08-09-2012 |
20120203424 | SYSTEM AND METHOD FOR INTEGRATED CONTROL OF VEHICLE CONTROL SYSTEMS - A system and method for providing driving support system to a vehicle. The vehicle includes a set of control modules, having at least one operational setting, configured for electronically controlling the vehicle components. The system includes an integrated drive mode selection module having a set of drive modes for modifying the settings for each control module. A sensing system detects at least one condition associated with the driver, vehicle or surroundings. A controller determines an appropriate drive mode for the vehicle based on the condition and the output of a safety module that ensures that the drive mode is safe while driving. | 08-09-2012 |
20120209490 | VEHICLE STABILITY CONTROL SYSTEM AND METHOD - A vehicle stability control system comprises a 5-sensor cluster and a stability controller configured to communicate with the 5-sensor cluster and receive signals corresponding to a lateral acceleration, a longitudinal acceleration, a yaw rate, a roll rate, and a pitch rate from the 5-sensor cluster. The stability controller can also be configured to determine a braking amount or a throttle amount to maintain vehicle stability. The system also comprises a brake controller configured to communicate with the stability controller and receive a braking request from the stability controller, and a throttle controller configured to communicate with the stability controller and receive a throttle request from the stability controller. The system may also comprise a braking or throttling command computed based on various scenarios detected by measured and calculated signals. | 08-16-2012 |
20120239250 | SYSTEM FOR DYNAMICALLY DETERMINING VEHICLE REAR/TRUNK LOADING FOR USE IN A VEHICLE CONTROL SYSTEM - A control system ( | 09-20-2012 |
20130018545 | TRAFFIC DENSITY ESTIMATIONAANM Prakah-Asante; Kwaku O.AACI Commerce Twp.AAST MIAACO USAAGP Prakah-Asante; Kwaku O. Commerce Twp. MI USAANM Tseng; FlingAACI Ann ArborAAST MIAACO USAAGP Tseng; Fling Ann Arbor MI USAANM Filev; Dimitar PetrovAACI NoviAAST MIAACO USAAGP Filev; Dimitar Petrov Novi MI USAANM Lu; JianboAACI LivoniaAAST MIAACO USAAGP Lu; Jianbo Livonia MI USAANM McGee; Ryan AbrahamAACI Ann ArborAAST MIAACO USAAGP McGee; Ryan Abraham Ann Arbor MI USAANM Greenberg; Jeffrey AllenAACI Ann ArborAAST MIAACO USAAGP Greenberg; Jeffrey Allen Ann Arbor MI USAANM Strumolo; Gary StevenAACI Beverly HillsAAST MIAACO USAAGP Strumolo; Gary Steven Beverly Hills MI US - Traffic density may be estimated by increasing a value of a parameter if an object enters a predefined zone on a side of the vehicle and decreasing the value of the parameter after an object exits the predefined zone such that the value of the parameter increases as traffic in a vicinity of the vehicle increases and decreases as traffic in the vicinity of the vehicle decreases. | 01-17-2013 |
20130110349 | SYSTEMS AND METHODS FOR SCHEDULING DRIVER INTERFACE TASKS BASED ON DRIVER WORKLOAD | 05-02-2013 |
20130184936 | VEHICLE ROLLOVER MITIGATION SYSTEM - The present disclosure provides a system and a method for mitigating vehicle rollovers, the method comprises monitoring a vehicular tilt and sensing a vehicular rollover in a particular direction, through a tilt sensor. Further, the system determines an occurrence of a rollover according to a calculated tilt threshold, through a central processing unit. Steering the vehicle in the sensed direction of the rollover, accelerating the vehicle in the same direction, and braking the vehicle upon sensing a decrease in the rollover, all being controlled through a controller, enables the vehicle to eventually stabilize and return to track. | 07-18-2013 |
20130226431 | SMART ADAPTIVE CRUISE CONTROL - A cruise control system of a vehicle comprises a target generator, a speed controller, and a distance controller. The speed controller and the distance controller are each coupled to the target generator. The target generator is configured for generating a dynamic speed target and a dynamic distance target through real-time assessment of information characterizing current operating condition characterizing information. The speed controller is configured for utilizing the dynamic speed target for issuing commands to cause the vehicle to be operated at a road speed that is adaptive to the current operating condition characterizing information. The distance controller is configured for utilizing the dynamic distance target for issuing commands to cause the vehicle to be operated such that a distance between the vehicle and a leading vehicle is adaptive to the current operating condition characterizing information. | 08-29-2013 |
20140012477 | VEHICLE STABILITY CONTROL SYSTEM AND METHOD - A vehicle stability control system comprises a 5-sensor cluster and a stability controller configured to communicate with the 5-sensor cluster and receive signals corresponding to a lateral acceleration, a longitudinal acceleration, a yaw rate, a roll rate, and a pitch rate from the 5-sensor cluster. The stability controller can also be configured to determine a braking amount or a throttle amount to maintain vehicle stability. The system also comprises a brake controller configured to communicate with the stability controller and receive a braking request from the stability controller, and a throttle controller configured to communicate with the stability controller and receive a throttle request from the stability controller. The system may also comprise a braking or throttling command computed based on various scenarios detected by measured and calculated signals. | 01-09-2014 |
20140067154 | KINEMATIC ROAD GRADIENT ESTIMATION - A vehicle and a vehicle system are provided with a controller that is configured to generate output indicative of a kinematic road gradient estimation using an extended Kalman filter. The extended Kalman filter includes a system input based on a longitudinal acceleration and an acceleration offset, and a system output based on a predicted vehicle speed. The acceleration offset is based on at least one of a lateral velocity, a lateral offset, and a vehicle pitch angle. The controller is further configured to generate output indicative of a kinematic quality factor corresponding to an availability of the kinematic road gradient estimation. | 03-06-2014 |
20140129083 | Assisted Direct Start And Active Suspension Integration Control - A system for controlling an internal combustion engine. The system includes engine shutdown/restart means and energy storage means configured for supplying power to an associated active vehicle suspension system when the engine is shut down. A controller is configured for controlling the shutdown/restart means responsive to an energy state of the energy storage means. | 05-08-2014 |
20140195112 | Adaptive Active Suspension System With Road Preview - A method for controlling an active suspension includes steps of determining a dimension of a road abnormality ahead of the vehicle and comparing the dimension with a vehicle dimension. Responsive to the comparison, the abnormality is classified as one type of a plurality of predetermined types. Responsive to a height dimension of the abnormality, the abnormality is further classified as having one of a small, medium, or large severity. The suspension is controlled responsive to the type and severity. | 07-10-2014 |
20140195113 | Adaptive Crash Height Adjustment Using Active Suspensions - A vehicle crash safety system includes a pre-crash sensing system configured for gathering and/or receiving target vehicle ride-height data, and at least one actuator operatively coupled to the sensing system and configured for adjusting a height of a portion of a host vehicle responsive to a command from the sensing system. A timing of the command is responsive to an estimated dynamic response time of the at least one actuator. | 07-10-2014 |
20140195114 | Suspension Control System To Facilitate Wheel Motions During Parking - A method for controlling a vehicle includes the step of determining if a curb parking operation is feasible for the vehicle. If a curb parking operation is deemed infeasible, an operator of the vehicle is notified that curb parking is infeasible. If a curb parking operation is deemed feasible, actuatable elements of the vehicle are controlled to facilitate the curb parking operation. | 07-10-2014 |
20140195116 | SUSPENSION CONTROL FOR PULSE/GLIDE GREEN CRUISE CONTROL - A method is described comprising modulating vehicle speed about a target speed by operating a vehicle with an engine at high output and then operating the vehicle with the engine off, and adjusting operation of a suspension system based on the vehicle operation with the engine at high output and the engine off to control vehicle pitch during the modulating of vehicle speed about the target speed. | 07-10-2014 |
20140316637 | Active Suspension With Load Detection And Adaptation - A method for estimating a location of a center of gravity (CG) of a sprung mass of a vehicle includes steps of a) determining whether the vehicle is stationary or moving; b) if the vehicle is stationary, calculating estimated x and y coordinates of the CG; c) storing the estimated coordinates in memory; and d) repeating steps a)-c) until the vehicle is no longer stationary. | 10-23-2014 |
20140330483 | ADAPTIVE ACTIVE SUSPENSION SYSTEM WITH ROAD PREVIEW - A method for controlling an active suspension is disclosed. The method includes steps of determining a dimension of a road abnormality ahead of the vehicle; comparing the dimension with a vehicle dimension; responsive to the comparison, classifying the abnormality as one type of a plurality of predetermined types; responsive to a dimension of the abnormality, further classifying the abnormality as having a severity of one type of a plurality of predetermined types; and controlling the suspension responsive to the abnormality type and severity type. | 11-06-2014 |
20140371985 | SUSPENSION CONTROL SYSTEM TO FACILITATE WHEEL MOTIONS DURING PARKING - A method for controlling an active suspension system of a vehicle during a curb parking operation, so as to position a portion of the vehicle on a street and a portion of the vehicle on a curb. The method includes steps of activating a curb parking function of the active suspension system, acquiring inputs pertinent to the curb parking operation, and determining, by a controller, if a curb parking operation is feasible for the vehicle. If a curb parking operation is deemed infeasible, an operator of the vehicle is notified that the curb parking operation is infeasible. If a curb parking operation is deemed feasible, actuatable elements of the active suspension system are controlled to facilitate curb parking. | 12-18-2014 |