在此基础上研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法，设计了步进电动机的微机控制系统。
On this base, the closed - loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed.
通过判断电动机输出功率信号中是含有一个直流分量和一个余弦分量还是仅含有直流分量，判断鼠笼转子有无故障，提出了一种感应电机转子故障检测的新方法。
A new method to detect rotor cage fault of induction motor is presented, which monitors if the output power signal comprises a direct component and an alternating component or only a direct component.
研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法。
In this paper, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated.
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