Decentralized PI/PID controllers based on gain and phase margin specifications for TITO processes

被引：88

作者：

Maghade, D. K. ^{[2
]}

Patre, B. M. ^{[1
]}

机构：

[1] Shri Guru Gobind Singhji Inst Engn & Technol, Dept Instrumentat Engn, Vishnupuri 431602, Nanded, India

[2] Vishwakarma Inst Technol, Dept Instrumentat & Control Engn, Pune 411037, Maharashtra, India

来源：

ISA TRANSACTIONS | 2012年 / 51卷 / 04期

关键词：

Decentralized controller; Decoupled system; Empirical modeling; Interactive processes; Model order reduction; Real time application; PID CONTROLLERS; DESIGN; SELECTION;

D O I：

10.1016/j.isatra.2012.02.006

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, a decentralized PI/PID controller design method based on gain and phase margin specifications for two-input-two-output (TITO) interactive processes is proposed. The decouplers are designed for systems to minimize the interaction between the loops, and the first order plus dead time (FOPDT) model is achieved for each decoupled subsystem based on the frequency response fitting. An independent PI/PID controller is designed for each reduced order decoupled subsystem to obtain the desired gain and phase margins, and the performance is verified on the original interactive system to show the effectiveness of the proposed design method for the general class of TITO systems. Simulation examples are incorporated to validate the usefulness of the presented algorithm. An experimentation is performed on the Level-Temperature reactor process to show the practical applicability of the proposed method for the interactive system. (C) 2012 ISA. Published by Elsevier Ltd. All rights reserved.

引用

页码：550 / 558

页数：9

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