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Method for Determining Estimated Vehicle Dynamics Parameters

  • US 20070276564A1
  • Filed: 08/13/2007
  • Published: 11/29/2007
  • Est. Priority Date: 06/09/2004
  • Status: Active Grant
First Claim
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1. A method for determining estimated vehicle dynamics parameters, said method comprising:

  • estimating the vehicle parameters using input signals including a front wheel steering angle signal, a rear wheel steering angle signal, a vehicle lateral acceleration signal, a vehicle yaw rate signal and a vehicle speed signal, wherein estimating the vehicle parameters includes using a linear parameter estimation algorithm;

    disabling the vehicle dynamics parameter estimation if the vehicle is not operating in a linear region; and

    disregarding the estimated vehicle parameters if a rich steering input condition is not met and the estimated vehicle parameters are not reliable and are not ready to be used.

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