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EC motor and method for operating same

  • US 7,279,859 B2
  • Filed: 10/29/2004
  • Issued: 10/09/2007
  • Est. Priority Date: 10/30/2003
  • Status: Expired due to Fees
First Claim
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1. A method for operating an EC motor, comprising:

  • recording a plurality of position-measurement signals using a position-measuring device;

    ascertaining at least one correction value for at least one position-measurement error contained in the position-measurement signals;

    storing the at least one correction value;

    determining commutation instants based on the position-measurement signals and taking into account the at least one correction value so as to compensate for the at least one position-measurement error; and

    commutating current supply to the EC motor at the commutation instants.

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