Motor initialization method and apparatus
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United States of America Patent
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Nov 17, 1998
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N/A
app pub date -
Feb 8, 1996
filing date -
Feb 8, 1996
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Expired
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Abstract
Phase alignment and initialization of a polyphase brushless DC motor are achieved, at standstill, by noting amplitude changes in signals from integral feedback coils while phase coils of the motor, magnetically coupled to the sensor coils, are energized at non-torque producing commutation angles.
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