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Method for determining a limit speed for driving

  • US 10,414,405 B2
  • Filed: 05/20/2016
  • Issued: 09/17/2019
  • Est. Priority Date: 05/20/2015
  • Status: Active Grant
First Claim
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1. A method for determining a limit speed for driving, for a driver at a steering wheel of a vehicle, the method comprising steps of:

  • determining at least one parameter that influences grip potential, the at least one parameter being selected from the group consisting of (a) pressure of a tire, (b) depth of a tread pattern of the tire, (c) water depth on a roadway, and (d) sand depth on the roadway;

    estimating, in accordance with the at least one parameter determined in the determining, a grip potential available at a given instant between a tire of the vehicle and a roadway on which the tire is running;

    determining a need for grip on an forthcoming route event as a function of a driving situation of the vehicle; and

    based on a function of the need for grip and the estimated grip potential, determining a limit speed for driving on the forthcoming route event.

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