Rear wheel steering control system
First Claim
1. A rear wheel steering control system comprising a rear wheel steering mechanism for steering rear wheels of a vehicle, drive motor means connected with said rear wheel steering mechanism for actuating the same, target setting means for setting a target steering angle of the rear wheels in accordance with a predetermined factor, motor control means for controlling said drive motor means so as to accomplish the target steering angle of the rear wheels, magnetic brake means for preventing the rear wheel steering mechanism from any steering movement when the target steering angle of the rear wheels is substantially constant, release means for releasing the magnetic brake means to allow the steering movement of the rear wheel steering mechanism under a predetermined condition even when the target steering angle of the rear wheels is substantially constant.
1 Assignment
0 Petitions
Accused Products
Abstract
A rear wheel steering control system comprising a rear wheel steering mechanism, drive motor connected with said rear wheel steering mechanism for actuating the same, target setting means for setting a target steering angle of the rear wheels in accordance with a predetermined factor, motor control unit for controlling said drive motor so as to accomplish the target steering angle of the rear wheels, lock device for preventing the rear wheel steering mechanism from any steering movement when the target steering angle is substantially constant, release device for releasing the lock device to allow the steering movement of the rear wheel steering mechanism even when the target steering angle of the rear wheels is substantially constant under a predetermined condition, the control system is responsive in controlling the steering of the vehicle.
31 Citations
15 Claims
- 1. A rear wheel steering control system comprising a rear wheel steering mechanism for steering rear wheels of a vehicle, drive motor means connected with said rear wheel steering mechanism for actuating the same, target setting means for setting a target steering angle of the rear wheels in accordance with a predetermined factor, motor control means for controlling said drive motor means so as to accomplish the target steering angle of the rear wheels, magnetic brake means for preventing the rear wheel steering mechanism from any steering movement when the target steering angle of the rear wheels is substantially constant, release means for releasing the magnetic brake means to allow the steering movement of the rear wheel steering mechanism under a predetermined condition even when the target steering angle of the rear wheels is substantially constant.
Specification