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Motor vehicle state detecting system

  • US 20030220730A1
  • Filed: 11/20/2002
  • Published: 11/27/2003
  • Est. Priority Date: 05/23/2002
  • Status: Active Grant
First Claim
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1. A motor vehicle state detecting system for detecting an unstable state of a motor vehicle or alternatively a prognostic sign thereof, comprising:

  • first detecting means for detecting an actual measured value of a first parameter corresponding to either a side slip angle or alternatively a steering angle of said motor vehicle;

    second detecting means for detecting an actual measured value of a second parameter corresponding to either an alignment torque or alternatively a transverse acceleration which said motor vehicle is subjected to;

    arithmetic means for arithmetically determining a third parameter relevant to a correlation which said first and second parameters bear to each other;

    reference value setting means for setting in advance a comparison reference value for said third parameter; and

    motor vehicle behavior stability decision means for making decision that behavior of said motor vehicle is unstable when said third parameter departs from said comparison reference value.

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