Taking a sensor of switch - output type NPN for example, its structural characteristic of the load driving unit and the driving pattern is introduced in this paper.

本文以三线制npn式开关量输出型传感器为例，介绍了传感器的负载驱动单元的结构特点及驱动方式。

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This paper presents a robot detection system, which consists of cleaning unit, driving unit, reflecting prism unit, CCD camera, image monitor, and computer etc.

该系统主要由清扫头、机器人驱动装置、反射棱镜、CCD像机、图像监视器和计算机等组成。

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Speed chain is a key control unit connecting the set speed needed of divided parts of paper machine in the separated driving.

速度链是分部传动造纸机中连接各分部所需速度给定的一个关键控制单元。

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