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| Number | Title | Issue Date |
| 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 |
| 7426431 | System for controlling the stability of a vehicle using an algorithm analyzing the variation in a representative parameter over time Vehicle stability control system, the system including 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 in the following m... | 09/16/2008 |
| 7413266 | Method for controlling the brake system of a vehicle train An improved method and associated system for controlling the brake system of a vehicle train including a tractor vehicle and a trailer vehicle, wherein a control device disposed in the tractor vehicle is adapted to initiate automatic braking of the trailer vehicle, ... | 08/19/2008 |
| 7363138 | Wheel slip detection and torque management A method of controlling traction in a vehicle having at least one non-driven wheel speed sensor. Actual vehicle acceleration and a wheel speed difference are detected. At least one of the actual vehicle acceleration and the wheel speed difference is compared to at l... | 04/22/2008 |
| 7322660 | Method for electronically regulating brake-power distribution A method for electronically regulating brake force distribution to the front axle and the rear axle of a motor vehicle (EBV control), wherein the rotational behavior of the vehicle wheels is determined, compared with the vehicle speed or vehicle reference speed and/... | 01/29/2008 |
| 7316288 | All terrain vehicle with multiple steering modes Methods and apparatus for steering a vehicle are disclosed. A vehicle in accordance with an exemplary embodiment of the present invention is capable of operating in a first steering mode and a second steering mode. The vehicle may comprise an input device capable of... | 01/08/2008 |
| 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 |
| 7240972 | Maximum road friction force estimating device and brake torque control device A brake torque control device obtains inertia torque Tine based upon an equation of motion (Tine=Tw−Ft·Rt) about the rotation of a tire based upon a wheel torque Tw according to a brake torque exerted on the tire, road friction force Ft and a radius Rt of the tir... | 07/10/2007 |
| 7237748 | Landing gear method and apparatus for braking and maneuvering Aircraft landing gear comprised of a wheel hub motor/generator disks stack, includes alternating rotor and stator disks mounted with respect to the wheel support and wheel. The wheel hub motor/generator can provide motive force to the wheel when electrical power is ... | 07/03/2007 |
| 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 |
| 7203579 | Method and apparatus for estimating road surface state and tire running state, ABS and vehicle control using the same The frequency of an information signal indicative of a-vibration of a wheel detected by an acceleration sensor mounted to a wheel; or a change in the pressure of a gas in a tire detected by a pressure sensor installed in the tire, is analyzed. The band value of the ... | 04/10/2007 |
| 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 |
| 7159954 | ABS control system for off-road driving conditions A system for controlling at least one of the slip threshold and the time period for an extended wheel slippage for a vehicle that is operating in the off-road ABS mode. When driving in a curve pattern and/or at high speeds, the individual wheel speeds are controlled... | 01/09/2007 |
| 7142970 | Vehicular brake force control apparatus and method In a vehicular brake force control apparatus, an engine brake force Feb is calculated; a road surface friction coefficient μ and a rear wheel degree of grip εr is calculated; and a threshold value Ke is calculated such that the threshold value Ke increases as the ... | 11/28/2006 |
| 7113858 | Road surface friction sensor and road surface friction coefficient detector, and vehicle antilock braking device A method for cyclically controlling the braking of a vehicle includes the following steps: (a) detecting a road surface frictional force of said vehicle, (b) detecting a brake fluid pressure, and (c) controlling the brake fluid pressure in response to detected value... | 09/26/2006 |
| 7104616 | Brake gain-based torque controller A brake gain based torque controller utilizes commanded torque, measured torque and measured pressure in order to provide brake control for a vehicle, such as an aircraft. According to one particular aspect of the invention, the brake gain-based torque controller is... | 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 |
| 7083172 | Method for controlling anti-roll/anti-yaw of vehicles A method for controlling roll/yaw motions of a vehicle includes the steps of deciding whether an anti-roll control is required or not by comparing a roll rate of the vehicle with a predetermined threshold roll rate, executing the anti-roll control if the roll rate i... | 08/01/2006 |
| 7077483 | Method of controlling anti-lock brake system for vehicles and method of finding control point in ABS In an anti-lock brake system mounted on a vehicle wherein when the vehicle is braked in an emergency during running, an increase in the road surface friction force or road surface friction coefficient owing to an increase in the brake pressure is detected by a road ... | 07/18/2006 |
| 7066561 | Method for improving the control response of an antilock control system during braking operations in the existence of a high coefficient of friction In a method for improving the control response of an anti-lock control system (ABS) during braking operations at a high coefficient of friction, the brake pressure control thresholds, in particular the intervention or application thresholds of the anti-lock control ... | 06/27/2006 |
| 7065442 | Automatic slowdown control apparatus for a vehicle An automatic slowdown control apparatus for a vehicle is disclosed wherein automatic slowdown control can be ended appropriately and automatic slowdown is prevented from being performed excessively on a road of an ascending gradient. The automatic slowdown control a... | 06/20/2006 |
| 7059687 | Braking force distribution control device A braking force distribution control device is provided in which wheel speeds of respective wheels of a vehicle are detected. On the basis of the detected wheel speeds, slopes of coefficients of friction μ between the wheels and a road surface are estimated as road... | 06/13/2006 |
| 7055917 | Method and device for determining a force exercised by the ground on a wheel A device and method are provided for determining a longitudinal force (Fx) exerted on a wheel of a motor vehicle by a ground surface supporting the wheel, the vehicle including connections means which connect the wheel to a body of the vehicle. An actual force (FAX)... | 06/06/2006 |
| 7058493 | Vehicular motion control apparatus and vehicular motion control method A vehicular motion control apparatus uses a steering angle detected by a steering angle sensor capable of detecting an absolute rotational angle. This control apparatus has a yaw rate sensor. If a reference rotational position of the steering angle sensor has not be... | 06/06/2006 |
| 7052096 | Vehicle antilock brake control system A vehicular antilock brake control system does not require a lengthy extension piping from its actuator. The system provides for an accurate controlling method for maximizing a calculated road surface friction coefficient. Each wheel has a control unit consisting of... | 05/30/2006 |
| 7039517 | Brake control system According to the present invention, there is provided a method and system for providing brake control, autobrake and antiskid brake functionality by recognizing that the only difference between the three functions is the amount of deceleration they allow. Unlike a c... | 05/02/2006 |
| 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 |
| 7032436 | Method for estimating vehicular running state, vehicular running state estimating device, vehicle control device, and tire wheel The output level of vibration of a portion below the spring of a vehicle detected by a sensor, and its frequency is converted to obtain the frequency spectrum of the vibration level. Next, an operation is carried out on at least two vibration levels, at different fr... | 04/25/2006 |
| 7035725 | Sliding integral proportional (SIP) controller for aircraft skid control The sliding, integral, and proportional controller for providing aircraft antiskid braking control includes a reference velocity subsystem, a velocity error ratio subsystem, and a main controller subsystem generating a control command output signal indicative of a c... | 04/25/2006 |
| 7013208 | Sliding integral proportional (SIP) controller for aircraft skid control The sliding, integral, and proportional controller for providing aircraft antiskid braking control includes a reference velocity subsystem, a velocity error ratio subsystem, and a main controller subsystem generating a control command output signal indicative of a c... | 03/14/2006 |
| 6971726 | Automatic stability control system for a vehicle using an invariant characterizing any tire A system is presented for controlling the stability of a vehicle. The system includes a controller using a slip parameter GOPT corresponding to a predetermined value of the coefficient of friction μ or a controller maintaining the functioning of the tire... | 12/06/2005 |
| 6954690 | Vehicle movement stabilizing device A vehicle movement stabilizing device is provided which in effectively functioning braking, acceleration and turning movement during travel of the vehicle by activating the frictional force adding device, reliably controls the start and end of the operation of the f... | 10/11/2005 |
| 6928356 | Antiskid control system for four-wheel-drive vehicle An antiskid control system for a four-wheel-drive vehicle is arranged to calculate a difference between an average of wheel accelerations of front wheels and an average of wheel acceleration of rear wheels. When the difference is greater than or equal to the vibrati... | 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 |
| 6922624 | Vehicle brake control apparatus It is checked based on entered information as to whether a vehicle should be decelerated or not (S106). When the vehicle should decelerate, an automatic brake operation is carried out with a braking force being set to be smaller by a predetermined ratio than ... | 07/26/2005 |
| 6916075 | System and method for adaptive brake application and initial skid detection The adaptive brake application and initial skid detection system allows rapid brake application and prevents deep initial skids. Brake torque is compared with a predetermined threshold brake torque. Wheel velocity error signals are also generated to indicated the di... | 07/12/2005 |
| 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 |
| 6890041 | Antilock brake systems employing a sliding mode observer based estimation of differential wheel torque Improved methods and systems for controlling hydraulically or electrically actuated anti-lock brake systems (ABS) on air and land vehicles requiring only measurement of wheel angular speed although brake torque measurements can also be employed if available. A slidi... | 05/10/2005 |
| 6772058 | Road surface friction sensor and road surface friction coefficient detector, and vehicle antilock braking device A method for cyclically controlling the braking of a vehicle includes the following steps: (a) detecting a road surface frictional force of said vehicle, (b) detecting a brake fluid pressure, and (c) controlling the brake fluid pressure in response to detected value... | 08/03/2004 |
