Design and simulation of fuzzy IMC-PID controller

doi:10.3778/j.issn.1002-8331.2008.32.066

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (32): 220-222.DOI: 10.3778/j.issn.1002-8331.2008.32.066

• 工程与应用 • Previous Articles Next Articles

Design and simulation of fuzzy IMC-PID controller

WANG Lei-lei¹,WANG Meng-xiao²

1.College of Electrical and Information Engineering，Shaanxi University of Science & Technology，Xi’an 710021，China
2.Shaanxi Measure & Control Engineering Co.，Ltd，Xianyang，Shaanxi 712000，China

Received:2007-12-07 Revised:2008-03-20 Online:2008-11-11 Published:2008-11-11
Contact: WANG Lei-lei

Fuzzy IMC-PID控制器的设计及仿真研究

王蕾蕾¹,王孟效²

1.陕西科技大学电气与信息工程学院，西安 710021
2.陕西西微测控工程有限公司，陕西咸阳 712000

通讯作者: 王蕾蕾

Abstract

Abstract: Originated from the IMC（Internal Mode Control） structure，the Fuzzy IMC-PID controller is designed based on the fuzzy，PID control.The IMC tuning parameters of PID controller are obtained by approximating the time-delay system in industrial process with first-order Pade formula and make it self-tuning online for the second time depending on appropriate fuzzy rules.With the help of MATLAB tools，the simulation result shows that the controller owns merits of IMC，Fuzzy and PID controller，behaved in small overshooting，good adjustment performance and robustness.To the time delay or non-linear system，it works well and can be applied to the general industrial process control.

Key words: Internal Mode Control（IMC）, fuzzy control, simulation, robustness

摘要： 从IMC结构出发，提出了一种基于fuzzy、PID控制的Fuzzy IMC-PID控制器，对工业过程中时滞系统纯滞后环节一阶Pade近似后，由内模整定得到PID控制器的参数整定值，再依据合适的模糊控制规则，对其进行在线二次自整定。借助MATLAB工具箱进行仿真，结果表明，该控制器具有内模、模糊、PID控制器的优点，超调小、调节性能好、鲁棒性强。对于大纯滞后或非线性系统能够较好地工作，可以推广应用于一般工业过程控制中。

关键词: 内模控制, 模糊控制, 仿真, 鲁棒性

WANG Lei-lei¹,WANG Meng-xiao². Design and simulation of fuzzy IMC-PID controller[J]. Computer Engineering and Applications, 2008, 44(32): 220-222.

王蕾蕾¹,王孟效². Fuzzy IMC-PID控制器的设计及仿真研究[J]. 计算机工程与应用, 2008, 44(32): 220-222.

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Design and simulation of fuzzy IMC-PID controller

Fuzzy IMC-PID控制器的设计及仿真研究

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