Aiming at indirect vector control for AC regulating system, a fuzzy PID speed controller that combines advantages of fuzzy control with PID control is designed.

针对滑差频率型矢量控制交流调速系统，设计了一种将模糊控制和PID控制的优点相结合的模糊pid速度调节器。

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The institution of all the humping speed control systems basically depends upon open loop control which restricts the character of speed regulating and random adaptability to the circumstances.

现行各种制式的驼峰速度控制系统，都基本属开环控制，限制了速度调整的品质和当外界因素变化时的随机适应能力。

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This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.

本丈对转差频率控制的变频调速系统进行讨论，分析这种控制方式所存在的不足；

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