This paper bases on the survey of present control structure of servo-system.

本文分析了现有各种随动系统设计方法的特点。

The software control of the catcher drum servo-system is achieved arid accomplished by PLC of the Germany Siemens.

整个伺服系统的软件控制由德国西门子公司的PLC来实现和完成。

The internal feedback control principle was proposed for force tracing control of electro-hydraulic loading servo-system.

提出电液加载的内部变量反馈控制方法。