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| Number | Title | Issue Date |
| 8068967 | Method of controlling an inhomogeneous roadway To determine an inhomogeneous roadway in μ-split situation during active ABS control and active yaw torque control (YTC) of a front wheel (HM-wheel) on the high-coefficient-of-friction side, it is arranged that at least the following conditions must be satisfied be... | 11/29/2011 |
| 7434896 | Method and device for brake control in a vehicle during the starting process A method for brake regulation in a vehicle when driving off on a split-μ roadway is provided, in which method the presence of a drive-off procedure on a split-μ roadway having a high coefficient of friction side and a low coefficient of friction side is recognized... | 10/14/2008 |
| 7418329 | Steering control apparatus for a vehicle A steering device is provided for controlling steering torque applied to a steering wheel of a vehicle. A braking device is provided for controlling longitudinal force applied to each wheel, and a control device is provided for performing at least one of an anti-ski... | 08/26/2008 |
| 7398145 | Wheel grip factor estimating apparatus and vehicle motion control apparatus A grip factor estimating apparatus includes a steering torque detecting unit M1, and an assist torque detecting unit M2. When a self-aligning torque estimating unit M6 estimates self-aligning torque generated in front wheels on the basis of dete... | 07/08/2008 |
| 7374014 | Motor-driven steering controller and automobile anti-skid controller A motor-driven steering controller for controlling a steering wheel of a vehicle. The controller includes a steering torque controlling unit, a braking force estimating unit, a right and left braking force difference estimating unit and an assist steering torque pro... | 05/20/2008 |
| 7356401 | Drivetrain protection and management system A drivetrain protection and management system (DPMS) monitors and determines individual wheel speeds to detect wheel spin and slip conditions on a drive axle. Wheel spin is caused by low surface friction, excessive input torque, lack of inter-axle differential and d... | 04/08/2008 |
| 7349775 | Motor vehicle state detecting system System for detecting stability/instability of behavior of a motor vehicle upon occurrence of tire slip or lock. State of the motor vehicle is determined on the basis of an alignment torque (Ta) applied from a road and a side slip angle (β). By taking advantage of s... | 03/25/2008 |
| 7248958 | Road surface state estimating apparatus, road surface friction state estimating apparatus, road surface state physical quantity calculating apparatus, and road surface state announcing apparatus A tire-generated sound detection sensor detects a tire-generated sound that is generated from a tire while the vehicle is running. A wheel rotation sensor detects a wheel rotation speed. A preprocessor calculates feature quantities corresponding to a road surface st... | 07/24/2007 |
| 7191048 | Vehicle motion control apparatus A vehicle motion control apparatus is provided for performing a vehicle stability control on the basis of a parameter indicative of lateral margin for a tire on a road. The apparatus includes a steering control device for controlling a relationship between a steerin... | 03/13/2007 |
| 7178881 | Rear pressure control and rear dynamic proportioning in a vehicle brake system An apparatus and method are provided for controlling a rear brake hydraulic circuit having a fluid storage element and a master cylinder supplying a volume of pressurized brake fluid to the rear brakes during the braking cycle in a pump-less anti-lock brake apparatu... | 02/20/2007 |
| 7171297 | Road surface condition determination apparatus A comparison/determination part 7 recieves the input of a front wheel speed filtered value ωfF from a front wheel speed filtered value calculation part 5 and a rear wheel speed filtered value ωrF from a rear wheel speed filtered value calculation par... | 01/30/2007 |
| 7107138 | Automotive speed control disable switch A new automotive (speed control system) safety feature is disclosed. A vehicle with an engaged speed control could be dangerous to drive on a road surface that changes from dry, offering little rolling resistance, to a surface that offers increased resistance to tir... | 09/12/2006 |
| 7099765 | Direct determination of the maximum grip coefficient on the basis of measurement of the circumferential extension in a sidewall of a tire A method of determining the grip coefficient μ in the contact area of a tire on a road includes the steps of selecting a plurality of fixed points in space (that is to say ones that are fixed in the reference frame associated with the vehicle) which points lie at d... | 08/29/2006 |
| 7069135 | Estimating maximum friction coefficient based on knowledge of the loads and self-alignment torque generated in a tire contact zone A method for estimation of the maximum grip coefficient on the basis of knowledge of the forces and the self-alignment torque which are generated in the contact area of a tire, includes the steps of: selecting a plurality of fixed ... | 06/27/2006 |
| 7035726 | Steering characteristic control apparatus and method for a vehicle A steering characteristic control apparatus and method for a vehicle is disclosed which can carry out behavior control of the vehicle regarding a steering characteristic and so forth appropriately in accordance with the type of turning and the road surface situation... | 04/25/2006 |
| 7010411 | Rear pressure control and dynamic rear proportioning in a vehicle brake system An apparatus and method are provided for operating a pump-less rear wheel anti-lock brake system of a vehicle using speed sensors on at least one front and one rear wheel, to provide a true dynamic rear proportioning (DRP) function, and to significantly enhance brak... | 03/07/2006 |
| 6954140 | Method and apparatus for vehicle rollover prediction and prevention A rollover prevention device and method detects an impending rollover situation for a vehicle (10) having a high center of gravity (cg). The system alerts the operator to potentially dangerous driving conditions and/or automatically slows the velocity of the ... | 10/11/2005 |
| 6941213 | Road condition estimation apparatus The present invention is directed to a road condition estimation apparatus for estimating a road condition for use in a vehicle having steering control unit for actuating a device mechanically independent of a manually operated steering member to steer each wheel. T... | 09/06/2005 |
| 6928355 | Vehicular antiskid control apparatus and antiskid control method If a condition for starting a yaw control during an antiskid control is met while the antiskid control is being executed on one of right and left front wheels during braking on a uneven friction-coeffient road surface, the reference value for making the determinatio... | 08/09/2005 |
| 6908161 | Antilock brake control system for vehicle An antilock brake control system for a vehicle including normally-opened solenoid valves, normally-closed solenoid valves, and diodes. Each of the normally-opened solenoid valves is switched over among a turned-on state in which a predetermined first electric curren... | 06/21/2005 |
| 6898505 | Controlling a starting and the subsequent vehicle acceleration procedure A system is provided, which controls a starting and the subsequent vehicle acceleration procedure of a motor vehicle. The system compares a predetermined variable that grows continuously during the starting procedure to a threshold value. It determines a first desir... | 05/24/2005 |
| 6895317 | Wheel grip factor estimation apparatus The present invention is directed to a wheel grip factor estimation apparatus, which includes a steering factor detection unit for detecting at least one of steering factors including a steering torque and steering effort applied to a steering system extending from ... | 05/17/2005 |
| 6893380 | Traction control system including converter protection function A method and a device for protecting a torque converter of an automatic transmission from overheating during standing-start of a motor vehicle, a slipping wheel being decelerated by a traction control system by a braking intervention. To improve the protective funct... | 05/17/2005 |
| 6882921 | Traction control algorithm for vehicle operation upon deformable road surfaces A vehicle traction control system is actuated when driven wheel slip (S1) exceeds a predetermined slip threshold (Ts) to reduce the amount of driven wheel slip (S1) by reducing the driven wheel speed. The traction control system also... | 04/19/2005 |
| 6816769 | Driving performance of a motor vehicle on μ-split slopes A traction control system having a braking intervention in particular for motor vehicles in which a slipping wheel is braked by a braking intervention on exceeding a slippage threshold. To improve the stability and steerability of the vehicle on slopes having differ... | 11/09/2004 |
| 6810981 | Reduction in TCS control frequency when cornering on a road surface having a low coefficient of friction A traction control system (TCS) in which the engine torque is reduced after a slip threshold has been exceeded by at least one driven wheel and is raised again after the slip has fallen below the threshold, the traction control system further including an arrangemen... | 11/02/2004 |
| 6804592 | Four wheel steering compensation for low coefficient of friction surface A method directed to improving the stability of a motor vehicle having front and rear steering capabilities includes determining a coefficient of friction of the road surface with which the motor vehicle is engaged and adjusting a phase gain function of a rear steer... | 10/12/2004 |
| 6728621 | Anti-lock braking system controller for adjusting slip thresholds on inclines A method and apparatus for operating a vehicle anti-lock braking system includes a brake pedal and a brake modulator that reduces braking pressure by an initial pressure reduction after detecting insipient wheel lock. Vehicle deceleration is measured as a function o... | 04/27/2004 |
| 6704622 | Vehicle stability control Stability is an important factor in vehicle safety. Yaw rate error can be used to improve stability. Yaw rate is measured through a yaw rate sensor. Desired yaw rate can be determined from vehicle conditions and driver input. The yaw rate error is calcula... | 03/09/2004 |
| 6704635 | Method for determining optimal ABS slip and deceleration thresholds A vehicle anti-lock braking system includes a brake pedal and a brake modulator. The brake system reduces braking pressure by an initial pressure reduction after detecting insipient wheel lock. Vehicle deceleration is measured as a function of brake pedal... | 03/09/2004 |
| 6691017 | Vehicle behavior control device A vehicle behavior control device includes a turning limit state detecting device for detecting a turning limit state of a vehicle and an engine output control device for performing a torque-down control by decreasing an engine output when the turning lim... | 02/10/2004 |
| 6681168 | Traction control device and a method for controlling the slip of a wheel A traction control device for a vehicle that has at least one axle, to which two driven wheels are assigned, the traction control device, when one of the driven wheels of the axle shows a tendency to spin, regulating the kinematic behavior of the wheel te... | 01/20/2004 |
| 6618660 | Anti-lock brake yaw control method An improved anti-lock rear brake yaw control method utilizes a measure of braking intensity to regulate both the initiation of yaw control and the anti-lock braking control parameters once yaw control is initiated. The brake torque and the rate of brake p... | 09/09/2003 |
| 6556912 | Road friction coefficient estimating apparatus A control section of a road friction coefficient estimating apparatus inputs a vehicle speed, a steering wheel angle and a yaw rate from a vehicle speed sensor, a steering wheel angle sensor and a yaw rate sensor, respectively. The control section compris... | 04/29/2003 |
| 6549842 | Method and apparatus for determining an individual wheel surface coefficient of adhesion The present invention provides a method of estimating a coefficient of adhesion between a road surface and a plurality of tires disposed on a vehicle. An estimated coefficient of adhesion for each of the plurality of tires is provided. First values of lon... | 04/15/2003 |
| 6533367 | System for controlling the traction slip of a vehicle A method for controlling the traction slip of a vehicle on a roadway with sidewise different coefficients of friction includes the following steps: identifying a driving situation on a roadway with sidewise different coefficients of friction and, when the... | 03/18/2003 |
| 6535808 | Deceleration control for automatic automotive speed control apparatus A deceleration control for automotive vehicle speed control apparatus includes first and second memories storing values of closed and open loop deceleration commands, respectively, as functions of the desired vehicle deceleration rate signal. During comma... | 03/18/2003 |
| 6502029 | System and method for ABS stability control A system and method for ABS stability control is provided, the method comprising the steps of determining whether a first wheel is in an ABS mode; determining whether the first wheel is in an apply mode; determining whether a second parallel wheel is in t... | 12/31/2002 |
| 6429788 | Alarming apparatus and method for automotive vehicle In alarming apparatus and method for an automotive vehicle, a vehicular running state is detected, a frictional coefficient of a road surface on which the vehicle is running is detected, a vehicle using road surface frictional coefficient that corresponds... | 08/06/2002 |
| 6405116 | Vehicle deceleration unit and vehicle deceleration control method A vehicle deceleration unit has a power train decelerator which controls a power train output to decelerate the vehicle and a brake device which presses a frictional member against a wheel or a rotational member rotating together with the wheel. Upon issu... | 06/11/2002 |
