Using the motor control special chip ML4428, the counter electromotive force detection and back-EMF commutation were realized.
所设计的无刷直流电机稳速控制系统用电机控制专用芯片ML4428实现了反电势的检测、换相和功率驱动；
Impact detecting resistors (141), (143) of an impact detecting circuit (104) detect a counter electromotive force of a step motor (105) generated due to an impact.
冲击检出电路(104)的冲击检出电阻(141、143)，检测出受到冲击后产生的步进电机(105)的反电动势。
The utility model comprises a SCM provided with A/D convertor and 3 rotor magnet steel position sensor signals taken from the counter electromotive force of the motor rotor winding.
包括带A/D转换器的单片机及取自电动机定子绕组的反电动势的三个转子磁钢位置传感器信号。
The utility model comprises a SCM provided with A/D convertor and 3 rotor magnet steel position sensor signals taken from the counter electromotive force of the motor rotor winding.
包括带A/D转换器的单片机及取自电动机定子绕组的反电动势的三个转子磁钢位置传感器信号。
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