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Method and apparatus for eliminating noise in a slope estimation arrangement for a motor vehicle

  • US 5,925,087 A
  • Filed: 08/27/1993
  • Issued: 07/20/1999
  • Est. Priority Date: 08/27/1992
  • Status: Expired due to Fees
First Claim
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1. A process for generating an operating signal indicative of a slope of a surface on which a vehicle is supported, based on sensed operating parameters of said vehicle, a method of eliminating errors in said operating signal caused by noise, said process comprising:

  • sensing at least one operating parameter of said vehicle which is indicative of slope of said surface, and generating output signals indicative thereof;

    processing said output signals in a data processor and generating said operating signal in response thereto;

    detecting occurrence of at least one predetermined condition which causes noise in said operating signal, and generating a noise suppression signal in response thereto; and

    during existence of said noise suppression signal, maintaining said operating signal at a value thereof immediately prior to the generation of said noise suppression, until said noise suppression signal terminates.

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