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Power-based underspeed control

  • US 7,822,532 B2
  • Filed: 02/08/2008
  • Issued: 10/26/2010
  • Est. Priority Date: 02/08/2008
  • Status: Expired due to Fees
First Claim
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1. A method of adjusting the operation of an engine-driven machine to avoid engine under-speeding, the method comprising:

  • receiving an initial command specifying a value related to a desired torque;

    converting the received command into a power command;

    sensing an engine under-speed condition;

    reducing the power command to an underspeed processed power command;

    converting the underspeed processed power command to units that are the same as the units of the initial command; and

    issuing the converted underspeed processed power command to a portion of the machine to alleviate the engine under-speeding condition.

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