Azimuth system of infrared photogenic objective simulator is a system of fast time varying parameters. A dual self tuning PID controller is presented with respect to the special case of the system.

红外成像目标模拟器方位系统是一参数快时变系统，针对该系统的具体情况，提出了一种对偶自校正PID控制器。

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For peak load unit, its process model and structure parameters have obviously fast time-varying characteristic while load changing.

对于调峰机组，当负荷变化时机组的过程模型甚至结构参数都具有明显的快时变特性。

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A rolling multiple model weighted average estimation algorithm is presented for tracking the fast time varying model parameters.

为了跟踪快时变参数，提出了一种滚动多模型加权平均参数估计算法。

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