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Apparatus for measuring the yaw rate of a vehicle

  • US 5,274,576 A
  • Filed: 12/09/1991
  • Issued: 12/28/1993
  • Est. Priority Date: 04/21/1989
  • Status: Expired due to Term
First Claim
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1. Apparatus for measuring a yaw rate of a vehicle comprising a gyrometer which can provide an output signal corresponding to the yaw rate of the vehicle, measuring means for measuring a velocity, a steering angel and a lateral acceleration of the vehicle;

  • and correction means for removing bias errors from the output signal of the gyrometer, wherein said correction means measures the bias errors when the velocity of the vehicle is substantially zero and both the steering angle of the vehicle and the lateral acceleration of the vehicle are within a tolerance of zero.

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