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7596440 Steering apparatus and steering ratio control method for automotive vehicle  
A steering apparatus for an automotive vehicle is provided with an electric drive unit that varies a steering ratio between a road wheel angle and a steering wheel angle of the vehicle, a...
7571039 Vehicle yaw/roll stability control with semi-active suspension  
A rollover avoidance system for changing the damping characteristics of suspension dampers at each wheel of a vehicle so as to mitigate the potential for vehicle rollover. The system includes a...
7555402 Method for determining the angular position of the steering wheel of an automobile vehicle electric power-assisted steering system  
The method consists in: determining in which actually sector the booster motor is located, a sector of the booster motor being defied by two successive poles; determining a relative angle position...
7520367 Vehicle steering apparatus  
A steering handle 11 is connected to a front-left wheel FW 1 via first and second steering shafts 12 and 13 , a pinion gear 14 and a rack bar 31 . The pinion gear 14 is connected to a...
7472005 Auxiliary steering system for vehicles  
An auxiliary vehicle steering system includes a user interface for receiving a user input and transmitting a control output signal associated with the input signal. The interface is located within...
7383916 All wheel steering with torque shaft linkage  
The entire right, title and interest in and to this application and all subject matter disclosed and/or claimed therein, including any and all divisions, continuations, reissues, etc., thereof are,...
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...
7264079 Steerable rear tractor suspension  
A steerable rear suspension for a tractor includes a chassis comprising a front end, a rear end, a left side and a right side; an engine mounted on the chassis; a pair of steerable front wheels...
7184869 Electric vehicle steering/drive control method  
In steering control for individually controlling wheel steering angles α 1 , α 2 , α 3 , and α 4 of a vehicle in accordance with a condition equation for forming a prescribed mode, one of the...
7129659 Stabilizer apparatus for vehicle  
In a stabilizer apparatus for a vehicle, an electronic control unit calculates a target current of an electric motor from vehicle speed, steering angle, and lateral acceleration, and increases and...
6941207 Steering angular velocity detecting device  
Operates steering angular velocity in first steering angular velocity calculating unit and second steering angular velocity calculating unit, by using steering angle signal from steering angle...
6866113 Forklift with transverse travel system  
A vehicle body ( 2 ) is provided with a pair of right and left front wheels ( 3 ) and a pair of right and left rear wheels ( 4 ), these wheels being adapted to be turned through 90 degrees. The...
6865468 Method and apparatus for vehicle stability enhancement system  
A vehicle stability enhancement system for a vehicle having at least one vehicle subsystem includes at least one sensor for sensing at least one vehicle parameter, at least one vehicle control...
6859693 Torque variation control device and computer program  
A torque variation control device for a vehicle which has a motor providing rotational torque to a drive shaft of a vehicle, a motor control means controlling the motor based on drive torque, and a...
6735507 Four wheel steering system and method for trailering  
An all wheel steering system for a vehicle comprising a controller having a first input for receiving a signal from a hand wheel position sensor, a second input for receiving a signal from a...
6721638 AGV position and heading controller  
A method and apparatus for controlling the steering of an automatic guided vehicle (AGV) includes simultaneously correcting the vehicle's heading and position errors. The vehicle may include first...
6686835 Rear wheel steering angle control apparatus  
A rear wheel steering angle control apparatus is provided with a rear wheel steering angle determining unit and a rear wheel steering mechanism so as to determine a steering angle ratio based upon...
6640171 Motor vehicle with supplemental rear steering having open and closed loop modes  
A rear steer control for a motor vehicle considers vehicle velocity in three ranges and provides an out of phase rear steer angle in open loop control within a low velocity range for oversteer...
6625529 Apparatus for controlling steering angles of front rear wheels of vehicle  
A control apparatus comprises a target steering angle operation unit for operating target steering angles of front wheels and rear wheels, a steering increase/steering return determination unit for...
6549835 Apparatus for and method of steering vehicle  
Unless the steering operation quantity detected by a steering quantity detection unit indicates that the vehicle is advancing almost rectilinearly, an approach disallowed area present toward the...
6546323 Vehicle front/rear wheel steering angle control apparatus and vehicle front/rear wheel steering angle control method  
A reference steering angle achieved when the steering operation quantity is sustained at a constant value is calculated in correspondence to the steering operation quantity. A decision is made as...
6508330 Rotating oleodynamic distribution system for the steering of rear axles of vehicles  
A hydraulic power steering system for steering rear axles of vehicles comprises a distribution system ( 10 ) coupled to a wheel of the rear axle. The distribution system ( 10 ) has a core ( 12 )...
6481924 Slip-form paver  
In a slip-form paver comprising a machine frame ( 4 ) including longitudinal beams ( 8 ) extending in parallel to the working direction, and transverse beams ( 18,20 ), and comprising a chassis ( 2...
6474434 Drive wheel  
A drive wheel 10 is shown to include a support member 12 and, a wheel member 11 having a surface contacting portion 18 extending about a periphery of the wheel member 11 . A drive shaft ...
6442463 Fuzzy steering controller  
A fuzzy steering controller for wheel-type agricultural vehicles with an electrohydraulic steering system is disclosed. The fuzzy controller was developed based on a common-sense model of...
6411876 Rear steering control with longitudinal shift in Ackerman center  
A rear wheel steering control determines, when desired and actual lateral accelerations of a vehicle have the same direction, an instantaneous dynamic yaw center on a vehicle longitudinal axis in...
6354394 Steering gear for pivoted wheels on a vehicle  
A steering mechanism for steering angular deflections carried out on a vehicle's/carriage's pivoted steering travelling wheels ( 10 a, 12 a; 10 b, 12 b ) positioned in a row at each side of the...
6206132 Vehicle electric steering apparatus  
A steering apparatus (10) for use in a vehicle (12) having a steerable road wheel (14), a steering member (30) supporting the road wheel for rotation relative to the steering member, and at least...
6131688 Driftout control device of four wheel steered vehicle by combination of brake/traction control and rear wheel steering  
A driftout control device of a four wheel steered vehicle has a brake/traction system for selectively applying a braking or a traction force to each of the four wheels, and a steering system for...
6125963 Rear axle steering device  
Rear wheel steering device with two spaced apart positioned steerable wheels (2A, 2B) wherein each of the wheels (2A, 2B) are coupled fixed against rotation with a rotatably mounted steering...
6024187 Apparatus for detecting anomaly of yaw rate sensor, and vehicle equipped therewith  
A yaw-rate-sensor's anomaly detecting apparatus of the invention comprises a road-surface-condition determining device for determining a road surface condition and a yaw-rate-sensor's anomaly...
5964471 Steerable trolley  
A steerable trolley, typically a shopping trolley, comprises two or more pivotable wheels and the steering mechanism comprising communication elements between a driving wheel and corresponding...
5950758 Rear wheel neutralizing system for a four-wheel steering vehicle and method for controlling the same  
Disclosed is a rear wheel neutralizing system for a four-wheel steering vehicle, including an actuator for returning rear wheels to their neutral positions; a potentiometer for detecting a...
5781870 Vehicle steering angle control device  
A vehicle steering angle control device which accurately guides a vehicle along a predetermined drive course by accurately controlling a steering angle of the vehicle based on a degree of curvature...
5752710 Parallel-aligned all-wheel steered vehicle III  
An all-wheel steered vehicle in which all wheels are always parallel and have an equal role in steering the vehicle. It consists of a plurality of wheel assemblies capable of wheel rotation about...
5627754 Method for controlling a front and rear wheel steering vehicle  
To the end of ensuring a brisk maneuverability of a front and rear wheel steering vehicle without causing any unstable behavior of the vehicle, the rear wheels are steered in an opposite phase...
5607028 All-wheel steering system  
A full-time all wheel steering system is provided whereby the rear wheel angle is determined by the front wheel angle and a relational curve, polynomial equation or set of tabulated values. The...
5606502 Steering angle control system for vehicle  
In a steering angle control system including a feed-forward control for producing a desired vehicle motion variable and a feedback control for suppressing disturbances, a controller calculates a...
5559698 System for dynamically adjusting the toe angle of vehicle wheels  
The invention is a system and method for dynamically adjusting the positions of the front and rear wheels of an automotive vehicle comprising first and second accelerometers disposed to sense the...
5492348 Vehicle steering system  
A vehicle steering system provides four distinct steering modes, including a first steering mode for steerage of front wheels with rear wheels neutral, a second steering mode for steerage of rear...
5488555 Method and apparatus for four wheel steering control  
Method, for use in a vehicle including a four wheel steering system and an electronic control unit having memory, of controlling the four wheel steering system while at least one of the wheels is...
5456184 Lateral energy absorbing device for slot guided vehicle  
A lateral energy absorbing device for an amusement ride vehicle includes a vehicle chassis with a driver for moving the vehicle along a path, and a vehicle body having an area for holding one or...
5375057 Method of steering road vehicles having front-wheel and rear-wheel steering  
A method of steering road vehicles having front-wheel and rear-wheel steering is provided in which by an integrating feedback of a measured yaw rate signal to the front-wheel steering the yaw...
5365440 Four wheel steering system  
A four wheel steering system for a motor vehicle with steerable front and rear road wheels, a steering angle sensor for detecting a front wheel steering angle through which the front road wheels...
5316379 Vehicle with an antilock controller  
System for controlling yawing moment in a vehicle equipped with ABS and rear wheel steering includes a controller which generates a compensation steering angle for the rear wheels based on the...
5203420 Auxiliary steering mechanism for automotive vehicles  
A working neutral steering position of an auxiliary steering mechanism is checked for deviation from a true neutral position. When a deviation is present it is corrected to correspond to the actual...
5137291 Rear wheel steering arrangement  
A rear wheel steering arrangement for a motor vehicle having a pair of rear wheels connected to the vehicle by forward and rearward transverse suspension arms comprises a body member extending...
5090509 Interlock device, especially for a pressure-medium actuator of the axial-piston type  
An interlock device for a pressure-medium actuator, having a locking slide received in a housing and with an adjusting slide arranged transversely relative to the said locking slide and coupled...
5014802 Rear steer controller  
A four wheel steering system that implements four wheel Ackerman steering during all phases of steering, including where one of the wheels has reached its travel limit, is disclosed.
4998593 Steering and brake controlling system  
Steering and braking are coordinated and controlled according to a sensed yaw rate error or lateral acceleration error to increase vehicle stability without increasing braking distance. A desired...
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