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ROAD GRADE COORDINATED ENGINE CONTROL SYSTEMS

  • US 20110040471A1
  • Filed: 08/12/2009
  • Published: 02/17/2011
  • Est. Priority Date: 08/12/2009
  • Status: Active Grant
First Claim
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1. An engine control system of a vehicle comprising:

  • a road grade module that detects a grade of a road that is ahead of the vehicle; and

    a predictive control module that detects that a first cylinder of an engine of the vehicle is deactivated while a second cylinder of the engine is activated,wherein the predictive control module activates the first cylinder based on the grade.

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