The selsyn-amplidyne antenna control system had its share of problems, particularly in selsyn units and wiring.

同步放大天线也一脚，尤其是同步组件和配线。

In this paper, a computer monitoring and control system for mine elevator and its hardwareand software designs are presented.The elevator is driven by a DC motor and controlled by an amplidyne.

本文介对交磁扩大机控制的直流拖动矿井统进行计算机监控的统组成及硬、软件设计。