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MODEL-BASED LONGITUDINAL STIFFNESS ESTIMATION SYSTEM AND METHOD

  • US 20150285712A1
  • Filed: 04/03/2014
  • Published: 10/08/2015
  • Est. Priority Date: 04/03/2014
  • Status: Active Grant
First Claim
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1. A tire-based system for estimating longitudinal stiffness between a tire and a road surface comprising:

  • at least one tire mounted to a wheel hub and supporting a vehicle;

    load measurement means for determining a load level on the one tire;

    wear estimation means for estimating a wear state of the one tire;

    tire-based sensor input means for measuring tire-based input parameters;

    longitudinal stiffness adaptation model means for deriving a longitudinal stiffness estimation scaled by the load level, the tire-based sensor input parameters, and the wear state.

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