液位控制PI控制器的改进设计

Triana Rahmawati, Ni'matul 'Abdah Adhiya Fakhriy, G. Pratama, A. Cahyadi, S. Herdjunanto
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引用次数: 5

摘要

在工业中,储罐内的液位控制是很重要的。罐内液位控制可以通过操纵液体流量来实现,以获得适当的液位设定点。根据需要选择相应的控制方式和整定方法。尽管PI(比例积分)控制很受欢迎,但采用齐格勒-尼科尔斯方法调谐的PI(比例积分)控制存在奇怪的振荡。本文提出了一种利用和St. Clair方法对PI控制器进行补救的方法。结果表明,在对被控值(MV)进行电平控制的基础上,得到了振荡变化为0%的输出趋势,上升时间为1.71秒,稳定时间为4.9秒。它显示了一个具有PI控制的液位控制系统,St. Clair能够使系统对MV稳定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A remedy design of PI controller for liquid level control
In the industrial, the level of liquid control in the tank is important. Level control in the tank can be done by manipulating the liquid flow rate, in order to obtain the appropriate level of the liquid set point. For that required selection of control mode and tuning method accordingly. Despite its popularity, PI (Proportional-Integral) control tuned with Ziegler-Nichols method, suffers from weird oscillation. In this paper, a remedy for PI controller is proposed with and the St. Clair method. As results, based on the level control of manipulated value (MV), the output trend is obtained with 0% oscillation change, the rise time is 1.71 seconds, and the settling time is 4.9 seconds. It shows a level control system with PI control and St. Clair is able to make the system stable against MV.
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