What aspects of the brushless DC motor are mainly controlled?
Brushless DC motor is produced and developed along with digital control technology. Therefore, digital control based on single chip microcomputer and DSP is the main control method of brushless DC motor. Let’s take a look at the main aspects of brushless DC motor. control.
The brushless DC motor mainly controls the following aspects:
- Speed control: The speed control principle of the brushless DC motor is the same as that of the ordinary DC motor. The average voltage of the armature can be controlled by the PWM method to realize the speed control. The PWM port can be used to automatically output the PWM to make the speed. Control becomes very easy.
Brushless DC motor mainly completes the following aspects of control
- Commutation control: For systems with position sensors, regular commutation should be performed according to the signal of the position sensor to correctly switch the current of each phase; for systems without position sensor, the commutation should be calculated according to the induced electromotive force signal. Point, determine which corresponds to the power-on, and which corresponds to the power-off.
- Commutation control: The motor forward and reverse control can be realized by changing the energization order of each phase.
The above is all about the main aspects of the brushless DC motor to complete the following aspects of control, and I suggested that you should pay attention to the maintenance of the brushless DC motor.
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