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Road gradient estimation arbitration

  • US 10,042,815 B2
  • Filed: 01/07/2013
  • Issued: 08/07/2018
  • Est. Priority Date: 08/31/2012
  • Status: Active Grant
First Claim
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1. A vehicle comprising:

  • a controller configured to generate output indicative of a road gradient derived from a first gradient estimation when a vehicle speed is less than a speed threshold and a signal indicative of longitudinal acceleration sensor input quality exceeds a threshold, a second gradient estimation when the vehicle speed exceeds the speed threshold and the signal exceeds the threshold, and a third gradient estimation when the signal does not exceed the threshold.

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