CONTROL METHOD AND DEVICE THEREFOR
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United States of America Patent
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Issued Date -
Sep 25, 2014
app pub date -
Mar 7, 2014
filing date -
Mar 12, 2013
priority date (Note) -
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Abstract
In one embodiment, a method of forming a circuit to control an electrical machine may include, configuring the circuit to obtain voltage and current information of the voltage over and current in one or more stator coils; configuring the circuit to determine a stator current vector and a stator voltage vector; configuring the circuit to determine an amplitude and phase of a fundamental vector of the stator voltage vector and stator current vector; and configuring the circuit to determine a fundamental vector of a back-EMF.
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