Monitoring a Resolver
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Nov 28, 2024
app pub date -
Aug 7, 2024
filing date -
Aug 7, 2024
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Abstract
A resolver comprises a pair of stator windings and a rotor winding that is rotatable with respect to the stator windings and inductively coupled to these. A method for monitoring the resolver comprises exciting the rotor winding with an alternating current having an oscillation frequency and a first phase, obtaining voltages induced in the stator windings by the alternating current flowing in the rotor winding, deciding that the resolver is defective when a shift between phases of a first one of said induced voltages and of the alternating current differs from a nominal phase shift by more than a predetermined phase threshold.
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