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Brushless dc motor speed measurement

by:Hoprio     2020-08-08
Rotational speed for the brushless motor controller, is one of the important link, how to control speed accurately? Let me give you talk.
in the first place to make a precise measurement for its speed. In general motor drive system, usually in the shaft of the motor is installed on a tachogenerator speed sensor, controller, photoelectric encoder, etc in order to accurately measure the motor speed. Due to the small capacity of most of the brushless dc motor, should not be commonly on its axis installation speed measuring device, such as speed generator controller is usually generated by using rotor position sensor pulse signal to reflect its speed.
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