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Vehicle motion control system

  • US 20030074123A1
  • Filed: 09/16/2002
  • Published: 04/17/2003
  • Est. Priority Date: 10/11/2001
  • Status: Active Grant
First Claim
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1. A vehicle motion control system for controlling a motion of a vehicle during cornering, comprising:

  • a steering angle sensor for detecting a steering angle;

    a yaw rate sensor for detecting an actual vehicle yaw rate;

    an actual yaw rate increment computing unit for computing an increment of said actual yaw rate;

    a vehicle body slip angle computing unit for estimating a vehicle body slip angle;

    a brake force computing unit for controlling brake forces of right and left front wheels of said vehicle; and

    a counter steer detecting unit for detecting a counter steer action according to the steering angle and yaw rate;

    said brake force computing unit being adapted to brake an outer front wheel in a controlled manner when a sign of said yaw rate has changed and said yaw rate increment has become equal to or greater than a threshold value after a counter steer action has been detected and said vehicle body slip angle has become equal to or greater than a threshold value.

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