在经济型数控车床的进给伺服系统中，广泛地采用步进电机做为执行机构。

The stepping motor is extensively used as the executive mechanism in the feed servo system of economical type NC lathe.

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以步进电机作为控制系统的执行机构，讨论了无模型控制器的输出与步进电机之间的软件连接问题。

The software connection problem between the output of non-model controller and step motor, is discussed using step motor as the actuator of control system.

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控制系统的硬件、软件和执行机构步进电机的控制方法都在本文中进行了介绍。

The hardware and software of the system, the method to control the stepper motor as an actuator have been discussed in detail in this paper.

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