Design of decentralised PI/PID control algorithm for a benchmark continuously stirred tank reactor system using frequency domain specifications

IF 0.6 Q4 AUTOMATION & CONTROL SYSTEMS

International Journal of Modelling Identification and Control Pub Date : 2023-01-01 DOI:10.1504/ijmic.2023.133434

Achu Govind K.R., Subhasish Mahapatra

{"title":"Design of decentralised PI/PID control algorithm for a benchmark continuously stirred tank reactor system using frequency domain specifications","authors":"Achu Govind K.R., Subhasish Mahapatra","doi":"10.1504/ijmic.2023.133434","DOIUrl":null,"url":null,"abstract":"This paper uses frequency domain specifications to design a decentralised PI/PID controller for a benchmark continuously stirred tank reactor (CSTR) industrial system. The primary objective of the work is to control the parameters of CSTR within the operating regions by regulating the temperature and reactor concentration. The decentralised control is designed by considering a decoupled CSTR system in which the diagonal elements are the FOPDT systems. Besides, decouplers are designed to reduce the loop interactions. The controllers are designed based on the frequency domain specifications such as gain margin and phase margin. The robust stability is analysed by considering multiplicative input and output uncertainties. A concise comparison is made between the proposed technique and existing methods to show the efficacious behaviour of the developed control algorithm. It is envisaged that the proposed control algorithm exhibits better servo and regulatory response compared to the existing techniques.","PeriodicalId":46456,"journal":{"name":"International Journal of Modelling Identification and Control","volume":"43 1","pages":"0"},"PeriodicalIF":0.6000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Modelling Identification and Control","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1504/ijmic.2023.133434","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"AUTOMATION & CONTROL SYSTEMS","Score":null,"Total":0}

引用次数: 1

Abstract

This paper uses frequency domain specifications to design a decentralised PI/PID controller for a benchmark continuously stirred tank reactor (CSTR) industrial system. The primary objective of the work is to control the parameters of CSTR within the operating regions by regulating the temperature and reactor concentration. The decentralised control is designed by considering a decoupled CSTR system in which the diagonal elements are the FOPDT systems. Besides, decouplers are designed to reduce the loop interactions. The controllers are designed based on the frequency domain specifications such as gain margin and phase margin. The robust stability is analysed by considering multiplicative input and output uncertainties. A concise comparison is made between the proposed technique and existing methods to show the efficacious behaviour of the developed control algorithm. It is envisaged that the proposed control algorithm exhibits better servo and regulatory response compared to the existing techniques.

查看原文本刊更多论文

基于频域规范的基准连续搅拌罐式反应器系统分散PI/PID控制算法设计

本文采用频域规范设计了一种分散PI/PID控制器，用于基准连续搅拌罐式反应器(CSTR)工业系统。该工作的主要目标是通过调节温度和反应器浓度来控制操作区域内CSTR的参数。分散控制是通过考虑一个解耦的CSTR系统来设计的，其中对角单元是FOPDT系统。此外，还设计了解耦器以减少回路相互作用。控制器是根据增益裕度和相位裕度等频域指标设计的。考虑输入和输出的乘法不确定性，分析了系统的鲁棒稳定性。将所提出的控制方法与现有的控制方法进行了简要的比较，以证明所提出的控制算法的有效性。与现有技术相比，所提出的控制算法具有更好的伺服和调节响应。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

International Journal of Modelling Identification and Control AUTOMATION & CONTROL SYSTEMS-

CiteScore

1.70

自引率

57.10%

发文量

期刊介绍： Most of the research and experiments in the fields of science, engineering, and social studies have spent significant efforts to find rules from various complicated phenomena by observations, recorded data, logic derivations, and so on. The rules are normally summarised as concise and quantitative expressions or “models". “Identification" provides mechanisms to establish the models and “control" provides mechanisms to improve the system (represented by its model) performance. IJMIC is set up to reflect the relevant generic studies in this area.