PID control of FOPDT plants with dominant dead time based on the modulus optimum criterion

PID control of FOPDT plants with dominant dead time based on the modulus optimum criterion

The modulus optimum (MO) criterion can be used for analytical design of the PID controller for linear systems with dominant dead time. However, although the method usually gives fast and non-oscillating closed-loop responses, in the case of large dead time the stability margin gets reduced and even...

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Main Author: Cvejn Jan
Format: Article
Language:English
Published: Polish Academy of Sciences 2016-03-01
Series:Archives of Control Sciences
Subjects:
PID controller
process control
dead time
modulus optimum
magnitude optimum
Online Access:http://www.degruyter.com/view/j/acsc.2016.26.issue-1/acsc-2016-0001/acsc-2016-0001.xml?format=INT
id doaj-969595298d6c4c6d9c7ed69870c96a89
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spelling doaj-969595298d6c4c6d9c7ed69870c96a892020-11-25T03:22:19ZengPolish Academy of SciencesArchives of Control Sciences2300-26112016-03-0126151710.1515/acsc-2016-0001acsc-2016-0001PID control of FOPDT plants with dominant dead time based on the modulus optimum criterionCvejn Jan0Faculty of Electrical Engineering and Informatics, University of Pardubice, Studentska 95, 532 10, Pardubice, Czech RepublicThe modulus optimum (MO) criterion can be used for analytical design of the PID controller for linear systems with dominant dead time. However, although the method usually gives fast and non-oscillating closed-loop responses, in the case of large dead time the stability margin gets reduced and even non-stable behavior can be observed. In this case a correction of the settings is needed to preserve the stability margin. We describe and compare two methods of design of the PID controller based on the MO criterion that for the stable first-order systems with dead time preserve the stability margin, trying to keep maximum of the performance of the original MO settings.http://www.degruyter.com/view/j/acsc.2016.26.issue-1/acsc-2016-0001/acsc-2016-0001.xml?format=INTPID controllerprocess controldead timemodulus optimummagnitude optimum
collection DOAJ
language English
format Article
sources DOAJ
author Cvejn Jan
spellingShingle Cvejn Jan
PID control of FOPDT plants with dominant dead time based on the modulus optimum criterion
Archives of Control Sciences
PID controller
process control
dead time
modulus optimum
magnitude optimum
author_facet Cvejn Jan
author_sort Cvejn Jan
title PID control of FOPDT plants with dominant dead time based on the modulus optimum criterion
title_short PID control of FOPDT plants with dominant dead time based on the modulus optimum criterion
title_full PID control of FOPDT plants with dominant dead time based on the modulus optimum criterion
title_fullStr PID control of FOPDT plants with dominant dead time based on the modulus optimum criterion
title_full_unstemmed PID control of FOPDT plants with dominant dead time based on the modulus optimum criterion
title_sort pid control of fopdt plants with dominant dead time based on the modulus optimum criterion
publisher Polish Academy of Sciences
series Archives of Control Sciences
issn 2300-2611
publishDate 2016-03-01
description The modulus optimum (MO) criterion can be used for analytical design of the PID controller for linear systems with dominant dead time. However, although the method usually gives fast and non-oscillating closed-loop responses, in the case of large dead time the stability margin gets reduced and even non-stable behavior can be observed. In this case a correction of the settings is needed to preserve the stability margin. We describe and compare two methods of design of the PID controller based on the MO criterion that for the stable first-order systems with dead time preserve the stability margin, trying to keep maximum of the performance of the original MO settings.
topic PID controller
process control
dead time
modulus optimum
magnitude optimum
url http://www.degruyter.com/view/j/acsc.2016.26.issue-1/acsc-2016-0001/acsc-2016-0001.xml?format=INT
work_keys_str_mv AT cvejnjan pidcontroloffopdtplantswithdominantdeadtimebasedonthemodulusoptimumcriterion
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