Recursive least square method was used to adjust the parameters of the PID controller, which was applied in three-element control system of boiler drum level.

利用递推最小二乘法循环调整P ID参数，并将该控制器应用于锅炉汽包水位三冲量控制系统。

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This thesis explains a kind of three-element value cascade control method which is applied in the power plant to control the water level in the steam boiler.

文章介绍了一种已实际应用的电厂锅炉汽包水位三冲量串级控制方法。

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