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Vehicle motion control system

  • US 6,278,929 B1
  • Filed: 10/26/1999
  • Issued: 08/21/2001
  • Est. Priority Date: 10/30/1998
  • Status: Expired due to Term
First Claim
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1. A vehicle motion control system for maintaining stability of an automotive vehicle when said vehicle in motion, comprising:

  • a hydraulic braking pressure control apparatus for controlling braking force applied to each wheel of said vehicle at least in response to depression of a brake pedal;

    vehicle condition monitor means disposed in said vehicle for monitoring a condition of said vehicle in motion;

    vehicle condition determining means for determining stability of said vehicle in motion, including a turning motion of said vehicle on the basis of the output of said monitor means;

    braking force control means for controlling said hydraulic braking pressure control apparatus in response to the result of determination of said vehicle condition determining means to control the braking force applied to each wheel of said vehicle;

    starting reference setting means for setting a starting reference to start the braking force control by said braking force control means in response to the result of determination of said vehicle condition determining means;

    error estimating means for estimating an error caused by said monitor means; and

    correction means for correcting the starting reference set by said starting reference setting means in response to the error estimated by said error estimating means;

    wherein said correction means is adapted to correct the starting reference set by said starting reference setting means to be relatively higher, when said error estimating means estimated the error resulted from a distance between the center of gravity of said vehicle and the center of said monitor means mounted on said vehicle.

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