步进电机控制系统的研制，省去了原自研的步进电机控制板，改为通过数据采集卡上的16路数字量输出口，每四路控制一个步进电机的方案。

The order of develop of the controlled system of stepper motor is to substitute self-made control unit and use controlled stepper motor passed by 16 way of digital I/O .

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本文把单机架冷轧机作为一个双变量系统来处理，分析了该系统的输出最（前张力和出口厚度）之间的耦合关系；

In this paper, a single stand cold rolling mill is processed as a dual-variable system, inter-action between outputs (forward tension and exiting thickness) of the system is analyzed.

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本文介绍通过采用系统自带的宏程序，来测试G SK980TA数控系统输入输出口的简单方法。

A simple method which is used to test the CNC system GSK980TA I/O interface with the system self-taking macro program is introduced.

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