Motor driving method
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United States of America Patent
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Aug 13, 2019
Grant Date -
Jun 20, 2019
app pub date -
Dec 21, 2017
filing date -
Dec 20, 2017
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Abstract
A motor driving method is applied to a motor with a rotor comprising a magnetic reluctance structure. The motor driving method comprises enabling the motor by an asynchronous driving method, controlling the motor by the asynchronous driving method according to a speed regulation command, detecting a rotor speed of the motor and determining whether the rotor speed is larger than a speed threshold, and when the rotor speed is larger than the speed threshold, controlling the motor by a synchronous driving method.
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