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MOTION CONTROL SYSTEM SELF-CALIBRATING

  • US 20110148331A1
  • Filed: 12/23/2009
  • Published: 06/23/2011
  • Est. Priority Date: 12/23/2009
  • Status: Active Grant
First Claim
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1. A method for self-calibrating a motion control system, comprising:

  • providing, by a position detector associated with the motion control system position information of an armature;

    providing a motion directing calibration signal of pre-determined frequency content, to cause a motion control system to provide current to a plurality of phases of a multiphase motor, the multiphase motor comprising the armature;

    commutating current provided to the plurality of phases so that the net force with the pre-determined frequency content is zero if the actual position of the armature corresponds to the position information; and

    detecting motion, at the pre-determined frequency, of the armature resulting from the motion directing signal.

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