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Method, apparatus and article for load stabilization

  • US 7,456,598 B2
  • Filed: 01/31/2008
  • Issued: 11/25/2008
  • Est. Priority Date: 12/03/2004
  • Status: Expired due to Fees
First Claim
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1. A control system for a machine, comprising:

  • a first bi-directional limiter comprising;

    a first input to receive a signal corresponding to a desired energy-wasting component of a flux current;

    a second input to receive a signal corresponding to a lower limit on the energy-wasting component of the flux current;

    a third input to receive a signal corresponding to an upper limit on the energy-wasting component of the flux current; and

    a first output; and

    a proportional and integral regulator comprising;

    a fourth input electrically coupled to the first output;

    a fifth input to receive a signal for controlling a proportional gain of the proportional and integral regulator;

    a sixth input to receive a signal for controlling an integral gain of the proportional and integral regulator; and

    a second output.

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