Because of large step angle of SRM the position precision is influenced.A micro-step control strategy is proposed in this paper to decrease the step angle and improve the position precision.

• 首先针对开关磁阻电动机步进角较大以致影响其定位精度的缺点，提出了微步控制方法，从而使电机步进角减小，提高了定位精度。