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Adaptive PID control method and system for internal combustion engine rotation speed pulsation damping

  • US 6,591,808 B2
  • Filed: 10/01/2001
  • Issued: 07/15/2003
  • Est. Priority Date: 10/01/2001
  • Status: Active Grant
First Claim
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1. A method for operating an internal combustion engine comprising:

  • providing an internal combustion engine having assembled thereto an engine rotation speed sensor and a supplemental torque source that is controlled by a PID controller;

    determining continuously, while operating the internal combustion engine, input values for at least a desired internal combustion engine rotation speed, an observed internal combustion engine rotation speed and a supplemental torque supplied by the supplemental torque source and inputting those input values to the PID controller;

    adjusting continuously, through operation of a control algorithm within the PID controller with respect to the input values, a single PID control parameter to control the supplemental torque source such as to damp an engine rotation speed pulsation within the internal combustion engine.

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