控制器对无刷直流电动机的转速控制至关重要，因此研究无刷直流电机的控制策略十分重要。
A good controller is crucial to speed control of brushless DC motor, so it is important for brushless DC motor to find out a good control method.
控制器对无刷直流电动机的转速控制至关重要，因此研究无刷直流电机的控制策略十分重要。
A good controller is crucial to speed control of brushless DC motor, so it is important for brushless DC motor to find out a good control method.
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