Simple analytic rules for model reduction and PID controller tuning

The aim of this paper is to present analytic rules for PID controller tuning that are simple and still result in good closed-loop behavior. The starting point has been the IMC-PID tuning rules that have achieved widespread industrial acceptance. The rule for the integral term has been modified to im...

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Main Author: Sigurd Skogestad
Format: Article
Language:English
Published: Norwegian Society of Automatic Control 2004-04-01
Series:Modeling, Identification and Control
Subjects:
Online Access:http://www.mic-journal.no/PDF/2004/MIC-2004-2-2.pdf
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author Sigurd Skogestad
author_facet Sigurd Skogestad
author_sort Sigurd Skogestad
collection DOAJ
description The aim of this paper is to present analytic rules for PID controller tuning that are simple and still result in good closed-loop behavior. The starting point has been the IMC-PID tuning rules that have achieved widespread industrial acceptance. The rule for the integral term has been modified to improve disturbance rejection for integrating processes. Furthermore, rather than deriving separate rules for each transfer function model, there is a just a single tuning rule for a first-order or second-order time delay model. Simple analytic rules for model reduction are presented to obtain a model in this form, including the 'half rule' for obtaining the effective time delay.
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spelling doaj.art-c3258e9cfe5244eeaa6449c56f1ff11f2022-12-21T23:17:43ZengNorwegian Society of Automatic ControlModeling, Identification and Control0332-73531890-13282004-04-012528512010.4173/mic.2004.2.2Simple analytic rules for model reduction and PID controller tuningSigurd SkogestadThe aim of this paper is to present analytic rules for PID controller tuning that are simple and still result in good closed-loop behavior. The starting point has been the IMC-PID tuning rules that have achieved widespread industrial acceptance. The rule for the integral term has been modified to improve disturbance rejection for integrating processes. Furthermore, rather than deriving separate rules for each transfer function model, there is a just a single tuning rule for a first-order or second-order time delay model. Simple analytic rules for model reduction are presented to obtain a model in this form, including the 'half rule' for obtaining the effective time delay.http://www.mic-journal.no/PDF/2004/MIC-2004-2-2.pdfProcess control. feedback controlIMCPI-controlintegrating process
spellingShingle Sigurd Skogestad
Simple analytic rules for model reduction and PID controller tuning
Modeling, Identification and Control
Process control. feedback control
IMC
PI-control
integrating process
title Simple analytic rules for model reduction and PID controller tuning
title_full Simple analytic rules for model reduction and PID controller tuning
title_fullStr Simple analytic rules for model reduction and PID controller tuning
title_full_unstemmed Simple analytic rules for model reduction and PID controller tuning
title_short Simple analytic rules for model reduction and PID controller tuning
title_sort simple analytic rules for model reduction and pid controller tuning
topic Process control. feedback control
IMC
PI-control
integrating process
url http://www.mic-journal.no/PDF/2004/MIC-2004-2-2.pdf
work_keys_str_mv AT sigurdskogestad simpleanalyticrulesformodelreductionandpidcontrollertuning