SYSTEM AND METHOD FOR CONTROLLING MOTOR STABILITY
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United States of America Patent
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Issued Date -
Jun 22, 2017
app pub date -
Dec 12, 2016
filing date -
Dec 18, 2015
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Abstract
A system and a method for controlling a motor are disclosed. In the present invention, the period information and the operation cycle are detected by a sensing module for calculating the variations of the rotating speed of the rotor. The duty cycle of the PWM signal corresponding to each timing segment is determined according to the predetermined power. By using the PWM signal to drive the motor, the waveform of the output current is rather smooth and close to a sinusoidal waveform, and noises of the motor are reduced effectively.
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