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Method and apparatus for dynamically determining a lateral velocity of a motor vehicle

  • US 5,742,919 A
  • Filed: 04/26/1996
  • Issued: 04/21/1998
  • Est. Priority Date: 04/26/1996
  • Status: Expired due to Term
First Claim
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1. A system for dynamically estimating a lateral velocity of a motor vehicle for input to a controller employed to control dynamics of the motor vehicle, said system comprising:

  • vehicle speed measuring means for producing a vehicle speed signal corresponding to a longitudinal velocity of said motor vehicle;

    yaw rate measuring means for producing a yaw rate signal corresponding to a yaw rate of said motor vehicle;

    lateral acceleration measuring means for producing a lateral acceleration signal corresponding to a lateral acceleration of said motor vehicle;

    tire lateral force estimating means comprising means for producing a tire lateral force signal for each tire;

    correction means comprising means for producing a corrector signal from said lateral acceleration signal and said tire lateral force signal; and

    processor means for integrating a predetermined combination of said vehicle speed signal, said yaw rate signal, said correction signal and said tire lateral force signal for each tire and generating a lateral velocity signal therefrom.

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