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| Number | Title | Issue Date |
| 8061469 | Device for controlling the steering of a commercial vehicle, and vehicle comprising one such device The disclosed device controls the steering of a commercial vehicle and comprises front wheels that can be oriented according to a first turning angle by a first actuator, rear wheels oriented according to a second turning angle by a second actuator, and a power circ... | 11/22/2011 |
| 8051942 | Steering system The present invention improves response characteristics in turning traveling of a vehicle while traveling stability at the time of turning is kept. The present invention provides a system in which toe angles of left and right rear wheels are controlled based on a st... | 11/08/2011 |
| 7383917 | Running stability control device for vehicle based upon longitudinal forces of wheels A running stability control device for a vehicle having a steering device capable of steering steered vehicle wheels independently of a steering operation by a driver, estimating longitudinal forces of respective vehicle wheels, computing a yaw moment generated by a... | 06/10/2008 |
| 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 |
| 7283900 | Work vehicle steering system with flow-metering curve selection and associated method A steering system for a work vehicle adjusts the steering ratio in response to changes in the speed of the work vehicle. ... | 10/16/2007 |
| 7274982 | Vehicle motion control system A vehicle motion control system is provided. In a first state requiring understeer suppressing control, a controller determines, based on a yaw rate deviation, a first control amount of an actuator selected so as to generate an inward turning moment a vehicle. In a ... | 09/25/2007 |
| 7258194 | Vehicle steering system having a rear steering control mechanism A vehicle steering system includes a steering input device, a front steering subsystem, a rear steering subsystem, a first force transmission route, a steering control mechanism, a second force transmission route, and a third force transmission route. The front stee... | 08/21/2007 |
| 7255193 | Speed equalizing linkage design for dual hydrostatic transmissions An HST propel system includes first and second pumps having displacements variable in response to movement of first (31) and second (33) control shafts, respectively; and a linkage arrangement for moving the control shafts in unison in response to move... | 08/14/2007 |
| 7249774 | Front and rear wheel steering for a vehicle A steering and transmission mechanism interconnects the front and rear wheels of an in-line vehicle which includes rigid steering members or links operable by manual control for selectively determining rear wheel positioning from a normal turn or straight position t... | 07/31/2007 |
| 7233850 | Vehicle steering apparatus An object of the present invention is to provide a vehicle steering apparatus that detects the tire load, and based on the detected tire load, performs steering control which accurately reflects the road conditions. A vehicle steering apparatus of the present invent... | 06/19/2007 |
| 7213675 | Method and system for anti-static steering for vehicle steering systems A method for implementing anti-static steering for vehicle steering systems includes receiving a desired rear wheel angle input and receiving a vehicle speed input. An approved rear wheel angle output is generated using the desired rear wheel angle input and the veh... | 05/08/2007 |
| 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 |
| 7155327 | Control apparatus for an electric power steering system A control apparatus for an electric power steering system is provided, which controls a motor for applying assist steering torque to a steering line of a vehicle at least according to steering torque signal of the steering line, vehicle velocity signal and motor cur... | 12/26/2006 |
| 7142964 | Electric power steering control device An electric power steering control device includes a memory. The memory is accommodated in the electric power steering control device mounted on a vehicle, and permits rewrite and storage of data. Transmitting a signal from an external of the vehicle allows the data... | 11/28/2006 |
| 7114591 | Steering system for working truck One of the mode lamps 38a, 38b and 38c of the mode indicator 38 corresponding to the current steering mode is turned on yellow and the other mode lamps are turned on green or turned off, thereby indicating whether fro... | 10/03/2006 |
| 7117076 | Lane keep control apparatus and method for automotive vehicle In lane keep control apparatus and method for an automotive vehicle, a traveling state of the vehicle is detected, a determination is made on whether the vehicle has a tendency of a deviation from the traveling traffic lane according to the detected traveling state,... | 10/03/2006 |
| 7077232 | Optimum steering system geometry An improved system for achieving optimum steering angles for wheels incorporates a sensor which senses the steering angle of a first wheel. The sensed angle is sent to a control which then determines the optimum angle for the other steered wheel based upon known for... | 07/18/2006 |
| 7073620 | Vehicle steering system having a rear steering control mechanism The vehicle steering system includes front vehicle motive members, rear vehicle motive members, a steering input device, a front steering subsystem, a rear steering subsystem and a rear steering control mechanism. The front steering subsystem is operably coupled to ... | 07/11/2006 |
| 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 |
| 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 |
| 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 |
| 6968262 | Steering angle correction device Steering angle is determined by the combined use of a potentiometer and a rotary encoder, and the correction of the error in the determination of the steering angle based on the time-dependent change of the potentiometer. ... | 11/22/2005 |
| 6906492 | Motor abnormality detection apparatus and electric power steering control system A motor abnormality detection apparatus is capable of performing the abnormality detection of a motor (5) without supplying a special electric current thereto for abnormality detection in an ordinary control state. A motor control device (100) controls... | 06/14/2005 |
| 6838844 | Electric power steering apparatus An electric power steering apparatus includes a steering torque detector, a brushless motor PWM-driven with a three-phase alternating motor current, a target current setting section for setting a d-axis target current value and a q-axis target current value, motor c... | 01/04/2005 |
| 6763906 | Rear wheel steering device A rear part of a vehicle body is supported by a rear-front axle (18) and a rear-rear axle (20), and right and left rear-front wheels (17) rotatably mounted at opposite ends of the rear-front axle (18) are constituted so as to be steered b... | 07/20/2004 |
| 6763293 | Calibration procedure for a permanently powered relative steering wheel angle sensor with power-loss indication A method is disclosed for determining a steering wheel angle calibration reference value in a vehicle. The vehicle includes a relative steering wheel angle sensor, which is unique in that it receives power directly from the vehicle's battery and interacts with the v... | 07/13/2004 |
| 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 and second steering control loops that determine the vehicle's positi... | 04/13/2004 |
| 6694239 | System and method of controlling vehicle steer-by-wire systems The present invention involves a method of controlling a vehicle steer-by-wire system having two independent road wheels. In one embodiment, the method comprises providing a steering wheel control sub-system to generate road wheel reference angles and to ... | 02/17/2004 |
| 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 vehicle speed and perform a rear wheel steering angle cont... | 02/03/2004 |
| 6687589 | Electric power steering device A reduction gear ratio n of a reduction gear is multiplied by a steering angular speed by a multiplier, and the deviation e achieved by subtracting a motor rotational speed from the multiplication value is integrated and then multiplied by an integration ... | 02/03/2004 |
| 6671598 | Electrical steering for vehicle For a vehicle, all of whose road wheels are steerable wheels, the steering instructions are transmitted by electrical means. The vehicle path is altered by a device comprising a component which is similar to a steering wheel, and has two handles 32G, 32D ... | 12/30/2003 |
| 6665598 | System of informing procedures for adjusting control parameters of an electric power steering control apparatus An informing apparatus informs an operator of procedures for adjusting control parameters used in a control apparatus that controls an electric power steering apparatus based on various control parameter data. The power steering apparatus is used for the ... | 12/16/2003 |
| 6637543 | Oversteer control for a motor vehicle A system for compensating for the oversteer of a motor vehicle includes a controller configured to receive input signals from at least one sensor. The controller may be configured to produce an output signal that is capable of being received by a steering... | 10/28/2003 |
| 6640173 | System and method of controlling a vehicle having yaw stability control The present invention involves a method of controlling a vehicle having a steer-by-wire system with enhanced yaw stability during a yaw motion disturbance. The method includes generating a steering angle signal of the steer-by-wire system. The steering an... | 10/28/2003 |
| 6639379 | Electric power steering control system and control method thereof An electric power steering control system is arranged so as to control a drive current of a brushless motor that generates a steering assist force on the basis of a steering torque acting on a steering shaft and a vehicle speed. The system comprises a d-q... | 10/28/2003 |
| 6615944 | Vehicle with auxiliary rear wheel steering mechanism A nontrack-bound vehicle with arbitrarily steerable front wheels includes an additional rear-wheel steering system that operates automatically or may be switched to automatic operation and controls or regulates the steering angle of the rear wheels as a f... | 09/09/2003 |
| 6618661 | Road friction coefficients estimating apparatus for vehicle A road friction coefficient estimating apparatus for a vehicle includes a high friction coefficient road reference value estimating section for calculating a high friction coefficient road reference yaw rate based on a vehicle motion model when the vehicl... | 09/09/2003 |
| 6615124 | Vehicular dynamic controlling apparatus and method Vehicular dynamic controlling apparatus and method for an automotive vehicle which can achieve a desired yaw rate output in response to a steering input by a vehicular driver even when the controlled vehicle is running in such a cornering limit range such... | 09/02/2003 |
| 6567731 | System and method incorporating feedforward for motor vehicle chassis control A control system for a plurality of motor vehicle chassis subsystems comprises a reference model, a state estimator, a feedforward controller, and a feedback controller. The reference model computes desired states of the chassis subsystems. The state esti... | 05/20/2003 |
| 6557662 | Magneto-rheological simulated steering feel system A simulated steering feel system 10 is provided including a magneto-rheological fluid rotary resistance device 12. The magneto-rheological fluid rotary resistance device 12 is utilized to impart improved feedback, torque to a steering wheel 32.... | 05/06/2003 |
