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ENHANCED INDUCTIVE SENSE USING MUTUAL INDUCTANCE

  • US 20150295526A1
  • Filed: 04/09/2014
  • Published: 10/15/2015
  • Est. Priority Date: 04/09/2014
  • Status: Active Grant
First Claim
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1. A method for determining rotor position in a motor including a rotor and stator windings, comprising:

  • measuring inductive sense values for each pair of the stator windings by performing an inductive sense routine on the motor;

    measuring stator winding voltage values, induced by mutual inductance between windings, for each of the stator windings by performing a mutual inductance sensing routine on the motor; and

    determining the rotor position based on the inductive sense values and the stator winding voltage values.

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