Namely, after modifying dynamic curve, in the period of valley point , a single output fuzzy controller and a double output were applied respectively depending on advance or lag of valley point time.

即把动态特性曲线经过科学修正以后，在谷点时间到达阶段，根据谷点到达时间的提前或滞后，分别采用单输入单输出和双输入单输出模糊控制器进行控制；

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Test the performance of controller designed in this paper, by doing simulation experiments with the first order inertia plant having the pure lag and time-variation parameters.

以参数时变时滞后过程为被控对象，仿真研究了本文设计的控制器性能。

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An algorithm of the optimal prediction self-tuning PID controller that overcomes time-varying large lag and parameters is presented in this paper.

本文提出了一个克服时变大时滞及被控过程参数时变的最优预报自校正PID控制算法。

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