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Method and System for Controlling a Motor

  • US 20140015458A1
  • Filed: 07/16/2013
  • Published: 01/16/2014
  • Est. Priority Date: 07/16/2012
  • Status: Active Grant
First Claim
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1. A method of controlling a motor, the motor comprising a 3-phase synchronous motor with three terminals of an electromagnetic winding configuration, the method comprising:

  • providing an input voltage between two of the three terminals of the electromagnetic winding configuration;

    measuring a resultant silent terminal voltage at the third terminal of the electromagnetic winding configuration; and

    determining a rotor position of the motor based on the measured silent terminal voltage.

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