变频调速系统的滑模变结构控制

Control of Sliding Mode Variable Structure for Frequency Control System of Motor Speed

对异步电动机的变频调速系统提出了一种变结构控制方法，并针对电流源滑差控制结构，设计了一个滑模变结构控制器．通过ＭＣＳ－５１单片机实现结果表明：该控制系统响应速度快，动态性能好，且具有很强的抗干扰性能．该算法简单，实现方便．

A sliding mode variable structure controller is proposed for current source slip control-based frequency control system of induction motor speed. It is shown from its implementation on a single-chip microcomputer that the system is characterized by fast response, good dynamic behaviour, strong robustness.Furthermore, the proposed controller is simple and easy to implement in practice.