The basic principle of subdividing drive is to produce many neutralities in synthesize magnetic field for subdivision by controlling the motor current ascend or descend in given rule.

• 其基本工作原理是通过控制电机各相绕组中的电流,使其按照一定的规律上升或下降,相应的合成磁场也将出现多个稳定的中间状态,实现细分步距旋转。