Title:
REAR WHEEL STEERING DEVICE FOR VEHICLE
Document Type and Number:
Japanese Patent JPS63162373
Kind Code:
A
Abstract:
PURPOSE:To enable controlling a rear wheel steering angle more suitable for a transient condition and improve steering stability by obtaining a turning force from the current consumption of an electric power steering device and vehicle speed, and controlling the rear wheel steering angle depending upon the turning force so obtained. CONSTITUTION:There are provided a current sensor 1 for detecting a current consumed by an electric power steering device provided for alleviating the steering power of a front wheel steering device, a speed sensor 2 and a rear wheel steering angle sensor 3. Output signals from each sensor are inputted to a control unit 4 wherein a turning force or lateral acceleration working on a vehicle body is obtained from the current consumption and the vehicle speed. And depending upon the turning force so obtained, an ideal steering angle for rear wheels 12 is operated and results therefrom are used to drive and control an actuator for steering the rear wheels such as an electric motor 6 via a drive circuit 5. Also, the steered angle of the rear wheels 12 in this case is detected with the rear wheel steering angle sensor 3 and according to an output signal therefrom, feedback control is made for the rear wheel steering angle.
Inventors:
KUBOTA MIDORI
Application Number:
JP31343886A
Publication Date:
July 05, 1988
Filing Date:
December 26, 1986
Export Citation:
Assignee:
FUJI HEAVY IND LTD
International Classes:
B62D7/14; B62D7/15; (IPC1-7): B62D7/14
Domestic Patent References:
| JPS61241275A | 1986-10-27 |
Attorney, Agent or Firm:
Kunio Shirahama (1 person outside)
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