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Hybrid electric vehicle control system and method of use

  • US 7,832,511 B2
  • Filed: 10/20/2006
  • Issued: 11/16/2010
  • Est. Priority Date: 10/20/2006
  • Status: Active Grant
First Claim
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1. A control system for a hybrid electric vehicle (HEV) comprising:

  • a fuzzy gain-scheduling proportional integral (PI) controller that operates to control an engine power, engine speed, and vehicle powertrain in response to predefined operating conditions, said fuzzy gain-scheduling proportional integral (PI) controller comprising a fuzzy logic gain-scheduler having an associated output in communication with a PI controller, said output comprising an input to said PI controller, said input modified within said PI controller to produce a gain output from said (PI) controller, said gain output comprising an output of said fuzzy gain-scheduling proportional integral (PI) controller.

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