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Suspension control device, vehicle comprising said device, production method thereof and associated program

  • US 8,190,327 B2
  • Filed: 09/13/2006
  • Issued: 05/29/2012
  • Est. Priority Date: 09/22/2005
  • Status: Expired due to Fees
First Claim
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1. Suspension control device with variable damping for a motor vehicle body on its wheels, said device comprising:

  • a computer adapted to calculate a control magnitude of an actuator of at least one damper with variable damping of a suspension of the vehicle as a function of at least one body modal speed, calculated from at least one body modal acceleration determined on the vehicle,at least one displacement sensor providing a displacement measurement which is a measurement of a displacement of a wheel of the vehicle with respect to the vehicle body,a first calculation means for calculating the body modal acceleration from the displacement measurement provided by the displacement sensor, wherein the first calculation means for calculating the body modal acceleration comprises;

    a suspension force estimator providing an estimation of at least one force exerted by a suspension of said wheel on the body as a function of at least the displacement measurement provided by the displacement sensor, anda second calculation means for calculating the body modal acceleration as a function of at least the suspension force provided by said suspension force estimator.

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