×

Rear wheel steering control system for vehicle

  • US 5,018,070 A
  • Filed: 07/05/1989
  • Issued: 05/21/1991
  • Est. Priority Date: 07/05/1988
  • Status: Expired due to Fees
First Claim
Patent Images

1. A steering control system for a vehicle, comprising;

  • a rear steering actuator for varying an actual rear wheel steer angle of said vehicle in accordance with a control signal representing a desired rear wheel steer angle,sensor means for sensing a steering angle of said vehicle,controller means for determining a first product by multiplying a time rate of change of said steering angle by a derivative coefficient, and producing said control signal in accordance with said first product, said controller means increasing said derivative coefficient with increase in a variable which is one of said steering angle and a lateral acceleration of said vehicle when said variable is greater than a predetermined threshold value.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×