In this paper, first a digital input technique about stepmotor based on EDA is introduced. By using this technique the stepmotor can be controlled accurately.

介绍了一种利用EDA技术，实现步进电机控制系统数字输入的方法，从而实现了对步进电机的精确控制。

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A type of variable subdivision high performance driving power supply for stepmotor has been presented in the paper which is used to drive three-phase reaction stepmotor.

提出了一种可变细分的高性能步进电动机驱动电源，该电源用于驱动三相反应式步进电动机。

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