Analysis and experiment show that the topology can detect motor's torque current simply and effectively and has magnificent significance to reduce torque ripple of motor.

分析和实验证明，该拓扑能够简单、有效的检测出电机的力矩电流，对抑制电机转矩脉动具有重要意义。

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The torque of switched reluctance motor is a highly non linear function depends on phase current and rotor position, so the torque ripple occurs.

开关磁阻电动机的转矩是各相电流与转子位置的高度非线性函数，这使得电动机的转矩容易出现脉动。

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According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered.

针对无刷直流电动机的转矩脉动，提出采用不同的PWM调制方式以及不同的重叠换相角减小换相电流所引起的转矩脉动。

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