英语语法分析

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。

Based on the construction pattern and the control principle of stepmotor, fractional step Angle control of stepmotor is achieved by PWM Phase Vector Cornposition.

本文根据步进电视的结构与控制原理，提出一种PWM式相矢量合成分数步距角控制方案。

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。