The driving method of brushless DC motor

Nugent

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Motor

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motor

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2024-05-11

1. The square wave drive method is convenient to implement and easy to achieve sensorless control of the motor.
2. The sine wave drive method can improve the operation effect of the motor and make the output torque uniform, but the implementation process is relatively complex.
3. The sensorless driving method adopts sensorless control and eliminates Hall elements, which is beneficial for driving brushless DC motors under harsh conditions.
4. The combination of sensorless control and sine wave drive combines the advantages of sensorless control and sine wave drive.
5. By introducing vector control method and introducing vector control technology into sensorless and sine wave drive, the brushless DC motor performs quietly and strongly, and the energy utilization efficiency can be improved to the limit.

Christian

2024-05-13

The driving methods of brushless DC motors can be divided according to the driving waveform:
1、 Square wave drive, this driving method is convenient to implement and easy to achieve sensorless control of the motor;
2、 Sinusoidal drive, this driving method can improve the operation effect of the motor and make the output torque uniform, but the implementation process is relatively complex.

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