本文介绍了采用PLC 控制伺服电机驱动而构成的控制系统,进行EAST-ICRH 天线电容的调控。阐述其系统的主要硬件构成以及程序控制。 关键词:可编程逻辑控制器;伺服电动机;电容 Abstracts: Here introduce a control system, its hardware structure is a servomotor driver controlled by PLC, it is used for controlling the EAST-ICRH antenna. Expound its hardware and software structure. Key words: PLC, Servomotor, Capacitor