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| Number | Title | Issue Date |
| 8150592 | Method for preventing drive wheels from spinning A method for preventing spinning of at least one drive wheel in a motor vehicle that has a dual clutch transmission, including the process steps of: a vehicle placed in a first gear unit of the dual clutch transmission; placement of a higher gear for the vehicle in ... | 04/03/2012 |
| 8086383 | Vehicle control device A control input for operating an actual vehicle actuator and a control input for operating a vehicle model are determined by an FB distribution law based on a difference between a reference state amount determined by a vehicle model and an actual state amount of an ... | 12/27/2011 |
| 8082087 | Motion control device for vehicle A motion control device for a vehicle includes a controlling means for maintaining a traveling stability of the vehicle by controlling a braking force of a wheel of the vehicle, a friction coefficient obtaining means for obtaining a friction coefficient of a road su... | 12/20/2011 |
| 7937203 | Control system responsive to relation between friction coefficient and wheel rotational speed for a wheel The invention relates to a control system for a vehicle with wheels, where at least one wheel is connected with means for braking and/or driving the wheel, the control system comprising a measuring device to measure a rotational speed of the wheel, a longitudinal fo... | 05/03/2011 |
| 7873459 | Load transfer adaptive traction control system A method of controlling a vehicle that includes determining a dynamic normal load for the vehicle wheel, modifying the requested torque signal from a traction control system in response to the dynamic normal load to form a modified requested torque and controlling t... | 01/18/2011 |
| 7822525 | Travel control device and travel control method In brake liquid pressure control, a time wasted after the control is started until brake application is actually started is reduced and pulsation noise of brake liquid pressure is reduced. When automatic following control of a vehicle is being operated, a motor for ... | 10/26/2010 |
| 7650216 | Vehicle driving system with adaptive skid control A differentiator calculates the acceleration of the rear wheels. An acceleration threshold calculation means enable the skid-detection acceleration threshold to be adjusted corresponding to the conditions of the vehicle. An acceleration skid-detection means make a c... | 01/19/2010 |
| 7512473 | Method for judging road surface condition and device thereof, and program for judging road surface condition A judgment method of road surface condition includes steps of: periodically detecting the wheel rotational speeds of the four wheel tires of a vehicle, memorizing the wheel rotational speed of each of tires, determining a slip ratio from said wheel rotational speeds... | 03/31/2009 |
| 7359787 | Stability control apparatus and load measuring instrument for wheel supporting rolling bearing unit A stability control apparatus, includes: a grip detector that changes an output based on a grip force applied in a direction hindering a slippage of a wheel, acting on a contact face between the wheel supported by a wheel supporting rolling bearing unit and the road... | 04/15/2008 |
| 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 |
| 7315777 | Vehicle control method and vehicle control apparatus A target resultant force to be applied to a vehicle body is calculated, the magnitude of a critical friction circle of each wheel is estimated, and a critical resultant force is estimated from the estimated magnitude of the critical friction circle. Subsequently, a ... | 01/01/2008 |
| 7308350 | Method and apparatus for determining adaptive brake gain parameters for use in a safety system of an automotive vehicle A control system for an automotive vehicle (10) and method for operating the same includes a controller (26) that is used to control the brake system in response to an adaptive brake gain coefficient. The adaptive brake gain coefficient may be used by ... | 12/11/2007 |
| 7308373 | Method for determining a vehicle reference velocity A velocity and acceleration are measured (14) in a method for determining a vehicle reference velocity, said vehicle reference velocity being used for determining and selecting a suitable transmission ratio. If a measured acceleration (aist) exceed... | 12/11/2007 |
| 7277816 | Tire grip sensor and control system using the sensor A system for directly measuring tire grip conditions is provided which can measure a skidding condition with no need of applying a vibration. A tire rotation speed sensor comprising a detection gear and a magnet sensor is mounted to a rotating shaft of a tire. An ou... | 10/02/2007 |
| 7266437 | Temperature dependent trigger control for a traction control system A method a operating a traction control system using a traction controller (30) for an automotive vehicle (10) is provided. A slip target is first determined. Then, an operating temperature turning characteristic or slope of the slip curve may, in comb... | 09/04/2007 |
| 7228219 | Straight running judging device for vehicles A straight running state is accurately determined using only wheel speed data in any running state. Based upon right and left wheel speed values calculated by a wheel speed calculating mechanism (13) from detection values of right and left wheel speed sensors... | 06/05/2007 |
| 7222923 | Vehicle wheel speed estimation device, vehicle body speed estimation device and vehicle behavior control apparatus In a case where one of a left and right pair of drive wheels is a non-controlled wheel to which braking force of a vehicle behavior control is not applied, and the other of the drive wheels is a controlled wheel to which braking force is applied, a detected vehicle ... | 05/29/2007 |
| 7225072 | System for controlling the stability of a vehicle using several predictive algorithms and a selection process System for controlling the stability of a vehicle, the system comprising means for imparting a longitudinal force to the tire and means for calculating a slip GOpt by determining the values of the coefficient of friction μi, for each slip G | 05/29/2007 |
| 7197380 | System for controlling the stability of a vehicle using an algorithm comparing average slopes of variation of a parameter System for controlling the stability of a vehicle, the system comprising means for imparting a longitudinal force on the tire and means for calculating the slip parameter GOpt at each activation of the means for imparting a longitudinal force on the tire ... | 03/27/2007 |
| 7197386 | Control system for a vehicle with at least part-time four-wheel drive In the case of a control system for a vehicle with at least part-time four-wheel drive, having a control unit which detects or determines quantities proportional to the wheel speeds of all wheels and the vehicle speed, and by means of which the driving torque of a d... | 03/27/2007 |
| 7162352 | Electronic apparatus and method of correcting offset value of acceleration sensor According to one embodiment, an electronic apparatus includes acceleration computing unit correcting an output value from a acceleration sensor with an offset value so as to obtain an acceleration of a body, rest determining unit determining whether or not the body ... | 01/09/2007 |
| 7141946 | Method and apparatus for providing optimal acceleration feedback A method and apparatus for use with a motor controller that receives a command velocity and that applies voltages to drive a motor at the command velocity, the apparatus comprising a dual inertia lost motion assembly including a motor and a load couplable to the mot... | 11/28/2006 |
| 7137673 | Vehicle yaw stability system and method A yaw stability system for a vehicle as well as methods for controlling yaw in a vehicle and estimating the retarding torque of an electromagnetic retarder. The yaw stability system includes a yaw rate sensor, a plurality of braking devices, and a control unit. The ... | 11/21/2006 |
| 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 |
| 7069133 | Wheel speed calculation method A wheel speed calculation method wherein, when both rising and falling edges occur, the wheel speed is calculated using both the edges, when either of the edges does not occur, the wheel speed is calculated using both the edges in such a manner that for the edge not... | 06/27/2006 |
| 7054726 | Control apparatus for vehicle-use electric power generator It is desirable prevent the speed of an engine, that is driving an electric-power generator, from abruptly increasing when electric power generation by the electric power generator, which supplies electric power to a wheel-driving motor, is stopped. Thus, a control ... | 05/30/2006 |
| 7032705 | Oversteering/understeering compensation with active front steering using steer by wire technology The present invention provides a system for compensating understeer and oversteer in a vehicle having a steer by wire system. The system includes a driver interface system, a sensor system, a controller, and a road wheel steering actuation system. The driver interfa... | 04/25/2006 |
| 6999859 | Vehicle speed measuring apparatus A vehicle speed measuring apparatus includes front and rear wheel side vibration detection sensors for detecting vibrations from a road surface through tires, an input section through which the vibration detection sensors input their detection values, and a processi... | 02/14/2006 |
| 6980903 | Exhaust gas control using a spark plug ionization signal This feature of the present invention comprises a method and apparatus to reduce NOx emissions in an internal combustion engine. This feature of the present invention uses a closed loop control of the exhaust gas re-circulation to provide the engine with the either ... | 12/27/2005 |
| 6954691 | Method for determining the dynamics of vehicle movement A method for the online determination of values of driving dynamics for a motor vehicle. To improve the quality of the control of a motor vehicle and to reduce the demands placed on the driver, the invention discloses a driving dynamics control including the (1) est... | 10/11/2005 |
| 6952638 | Curve-dependent engine drag-torque control An engine drag-torque control, particularly for motor vehicles, in which the engine torque is increased by an EDC augmenting torque when the driven wheels drop below a slip threshold due to the braking action of the engine and exhibit a brake slip which is too high.... | 10/04/2005 |
| 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 |
| 6923050 | Automatic control method, usable in particular for maintaining the slip of a tire at an optimum level An automatic control method is provided for a phenomenon in which a parameter Y varies as a function of a parameter X according to a course exhibiting a rise, an extremum and a fall, in which the value of the parameter X is automatically controlled to maintain the v... | 08/02/2005 |
| 6923512 | Arrangement for ensuring the function of a vehicle brake An arrangement for ensuring the functioning of a brake configuration for a vehicle with a multiplicity of wheels which are arranged on a front axle and at least one rear axle and which support the vehicle. The brake configuration incorporates at least two brake devi... | 08/02/2005 |
| 6915193 | Method for determining a longitudinal vehicle velocity by compensating individual wheel speeds using pitch attitude A control system (24) for controlling a safety system (40) of an automotive vehicle includes a plurality of wheel speed sensors (30) generating a plurality of wheel velocity signals, a steering angle sensor (39) generating a steering actu... | 07/05/2005 |
| 6912896 | Methods for estimation of tire wear A method for controlling the functioning of a tire includes the steps of determining estimations or measurements of the slip Gi and the coefficient of friction μi prevailing at such slip for at least one pair “i” of values (Gi, ... | 07/05/2005 |
| 6909956 | Method and apparatus for stopping and parking a commercial vehicle A receiver capable of receiving a remote vehicle stop request signal is mounted to a commercial vehicle and connected to the vehicle antilock braking ECU by a vehicle communication bus. The receiver may also be capable of transmitting a signal, thereby allowing the ... | 06/21/2005 |
| 6907327 | METHOD OF DETECTION OF LIMITED SLIP DIFFERENTIAL DEVICE, METHOD AND APPARATUS FOR DETECTING DECREASE IN TIRE AIR-PRESSURE EMPLOYING THE METHOD OF DETECTION, AND PROGRAM FOR JUDGING DECOMPRESSION OF TIRE A method of detection of the limited slip differential device, wherein it is detected whether a vehicle is mounted with a limited slip differential device on the basis of a relationship between a lateral directional acceleration of a vehicle calculated by using rota... | 06/14/2005 |
| 6904349 | Method of estimating quantities that represent state of vehicle A method is provided capable of improving the accuracy of estimations of quantities that represent the state of a vehicle, such as vehicle speed, wheel slip ratio, wheel speed along the ground, longitudinal wheel force and the vehicle body sideslip angle, or values ... | 06/07/2005 |
| 6873891 | Method and device for co-ordinating multiple driving system devices of a vehicle The invention relates to a method and a device for coordinating multiple driving system devices of a vehicle by means of a co-ordination device. The driving system devices produce output signals according to the current driving state of the vehicle. In the coordinat... | 03/29/2005 |
