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Device for controlling drift of vehicle during cornering

  • US 4,974,875 A
  • Filed: 12/21/1989
  • Issued: 12/04/1990
  • Est. Priority Date: 12/29/1988
  • Status: Expired due to Term
First Claim
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1. A power drift control device for a vehicle comprising:

  • cornering detecting means for detecting cornering of the vehicle and producing a signal representative of same;

    acceleration detecting means for detecting acceleration of the vehicle and producing a signal representative of same;

    yaw moment producing means responsive to said signals from said cornering detecting means and said acceleration detecting means for producing a yaw moment in the direction of causing oversteer and variable at a yaw moment variation rate depending upon variation of acceleration of the vehicle;

    steering wheel angle detecting means for detecting a steering wheel angle and producing a signal representative of same; and

    yaw moment variation rate altering means responsive to said signal from said steering wheel angle detecting means for altering said yaw moment variation rate in such a manner that said yaw moment variation rate increases as said steering wheel angle increases.

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