MEANS AND METHOD FOR ALIGNING HALL SENSORS LOCATION IN A BRUSHLESS DC MOTOR WITH HALL SENSORS
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
Jan 25, 2013
filing date -
May 30, 2012
priority date (Note) -
Abandoned
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Abstract
A method for aligning Hall sensors location in a brushless DC motor with Hall sensors, the method comprises driving the motor by a sensorless driving system for getting a first commutation phase signal; sending said first commutation phase signal to a sensorless position control unit to be processed thereby for getting an optimal commutation phase point, processing a Hall sensor signal as said motor is running by a Hall sensor circuit unit for getting a second commutation phase signal, and comparing said second commutation phase signal with said optimal commutation phase point by a signal comparing and processing unit to get a phase shifting data for aligning said Hall sensors location.
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