Controller design for the closed loop system with non-interaction condition

For some complex systems with several controlled variables and with interaction between these controlled variables, one complex mathematical model is established to include lots of elements in the control matrix. In order to reduce the number of elements in the control matrix and increase real-time...

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Main Authors: Wang Jianhong, Ricardo A. Ramirez-Mendoza
Format: Article
Language:English
Published: Taylor & Francis Group 2020-01-01
Series:Systems Science & Control Engineering
Subjects:
Online Access:http://dx.doi.org/10.1080/21642583.2020.1853625
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author Wang Jianhong
Ricardo A. Ramirez-Mendoza
author_facet Wang Jianhong
Ricardo A. Ramirez-Mendoza
author_sort Wang Jianhong
collection DOAJ
description For some complex systems with several controlled variables and with interaction between these controlled variables, one complex mathematical model is established to include lots of elements in the control matrix. In order to reduce the number of elements in the control matrix and increase real-time property in designing the unknown controllers, an idea of non-interaction property is introduced to simplify our mentioned closed loop system with many variables. To achieve the non-interaction property, some conditions are derived to guarantee one controlled input only influences one output. Based on this simplified model, the prediction error method coming from system identification field is applied to design the optimal controllers. The advantage of our prediction error method is that the optimal controller is a constant ratio of two polynomials. Finally one simulation example confirms our theoretical results.
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spelling doaj.art-3825a91323824cc0947a02c0737be4572022-12-21T18:55:30ZengTaylor & Francis GroupSystems Science & Control Engineering2164-25832020-01-018163964910.1080/21642583.2020.18536251853625Controller design for the closed loop system with non-interaction conditionWang Jianhong0Ricardo A. Ramirez-Mendoza1Jiangxi University of Science and TechnologyTecnologico de Monterrey, MonterreyFor some complex systems with several controlled variables and with interaction between these controlled variables, one complex mathematical model is established to include lots of elements in the control matrix. In order to reduce the number of elements in the control matrix and increase real-time property in designing the unknown controllers, an idea of non-interaction property is introduced to simplify our mentioned closed loop system with many variables. To achieve the non-interaction property, some conditions are derived to guarantee one controlled input only influences one output. Based on this simplified model, the prediction error method coming from system identification field is applied to design the optimal controllers. The advantage of our prediction error method is that the optimal controller is a constant ratio of two polynomials. Finally one simulation example confirms our theoretical results.http://dx.doi.org/10.1080/21642583.2020.1853625non-interactionclosed loopcontroller designoptimalitynon-interaction
spellingShingle Wang Jianhong
Ricardo A. Ramirez-Mendoza
Controller design for the closed loop system with non-interaction condition
Systems Science & Control Engineering
non-interaction
closed loop
controller design
optimality
non-interaction
title Controller design for the closed loop system with non-interaction condition
title_full Controller design for the closed loop system with non-interaction condition
title_fullStr Controller design for the closed loop system with non-interaction condition
title_full_unstemmed Controller design for the closed loop system with non-interaction condition
title_short Controller design for the closed loop system with non-interaction condition
title_sort controller design for the closed loop system with non interaction condition
topic non-interaction
closed loop
controller design
optimality
non-interaction
url http://dx.doi.org/10.1080/21642583.2020.1853625
work_keys_str_mv AT wangjianhong controllerdesignfortheclosedloopsystemwithnoninteractioncondition
AT ricardoaramirezmendoza controllerdesignfortheclosedloopsystemwithnoninteractioncondition