Modified Cascade Controller Design for Unstable Processes With Large Dead Time

In this article, a simple controller design with the fractional order calculations applies to unstable cascade processes with a significant time delay. Series cascade control system consists of two loops in which the inner loop is designed using the IMC principle based on the synthesis method. The p...

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Main Authors: Karthik Chandran, Rajalakshmi Murugesan, Saravanakumar GURUSAMY, K. Asan Mohideen, Sanjeevi Pandiyan, Anand Nayyar, Mohamed Abouhawwash, Yunyoung Nam
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9174976/
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spelling doaj-c65c021787a842f88d8bb781cbd59a1d2021-03-30T01:58:02ZengIEEEIEEE Access2169-35362020-01-01815702215703610.1109/ACCESS.2020.30190279174976Modified Cascade Controller Design for Unstable Processes With Large Dead TimeKarthik Chandran0https://orcid.org/0000-0002-4676-2540Rajalakshmi Murugesan1https://orcid.org/0000-0001-8532-2452Saravanakumar GURUSAMY2https://orcid.org/0000-0002-7721-2613K. Asan Mohideen3https://orcid.org/0000-0002-6462-8601Sanjeevi Pandiyan4https://orcid.org/0000-0002-1377-0456Anand Nayyar5https://orcid.org/0000-0002-9821-6146Mohamed Abouhawwash6https://orcid.org/0000-0003-2846-4707Yunyoung Nam7https://orcid.org/0000-0002-3318-9394Department of Automation, Shanghai Jiao Tong University, Shanghai, ChinaDepartment of Electronics and Instrumentation Engineering, Kamaraj College of Engineering and Technology, Madurai, IndiaDepartment of Electrical and Electronics Technology, Federal TVET Institute, Addis Ababa, EthiopiaThamirabarani Engineering College, Tirunelveli, IndiaKey Laboratory of Advanced Process Control for Light Industry, Ministry of Education, Jiangnan University, Wuxi, ChinaGraduate School, Duy Tan University, Da Nang, VietnamDepartment of Mathematics, Faculty of Science, Mansoura University, Mansoura, EgyptDepartment of Computer Science and Engineering, Soonchunhyang University, Asan, South KoreaIn this article, a simple controller design with the fractional order calculations applies to unstable cascade processes with a significant time delay. Series cascade control system consists of two loops in which the inner loop is designed using the IMC principle based on the synthesis method. The primary controller is designed with the FOPI-FOPD controller to ensure stable and satisfactory closed-loop performances for the unstable processes. For the primary controller, five tuning parameters are involved, which tuned using the centroid of the convex stability region method. Different examples are given to illustrate the superiority of the proposed design over some existing designs. Results obtained from simulation reveals that with the proposed control design, enhanced closed-loop control performances are obtained for nominal and perturbed conditions.https://ieeexplore.ieee.org/document/9174976/Series cascade controlunstable time-delay processfractional-order PI/PDinternal model controlconvex stability region
collection DOAJ
language English
format Article
sources DOAJ
author Karthik Chandran
Rajalakshmi Murugesan
Saravanakumar GURUSAMY
K. Asan Mohideen
Sanjeevi Pandiyan
Anand Nayyar
Mohamed Abouhawwash
Yunyoung Nam
spellingShingle Karthik Chandran
Rajalakshmi Murugesan
Saravanakumar GURUSAMY
K. Asan Mohideen
Sanjeevi Pandiyan
Anand Nayyar
Mohamed Abouhawwash
Yunyoung Nam
Modified Cascade Controller Design for Unstable Processes With Large Dead Time
IEEE Access
Series cascade control
unstable time-delay process
fractional-order PI/PD
internal model control
convex stability region
author_facet Karthik Chandran
Rajalakshmi Murugesan
Saravanakumar GURUSAMY
K. Asan Mohideen
Sanjeevi Pandiyan
Anand Nayyar
Mohamed Abouhawwash
Yunyoung Nam
author_sort Karthik Chandran
title Modified Cascade Controller Design for Unstable Processes With Large Dead Time
title_short Modified Cascade Controller Design for Unstable Processes With Large Dead Time
title_full Modified Cascade Controller Design for Unstable Processes With Large Dead Time
title_fullStr Modified Cascade Controller Design for Unstable Processes With Large Dead Time
title_full_unstemmed Modified Cascade Controller Design for Unstable Processes With Large Dead Time
title_sort modified cascade controller design for unstable processes with large dead time
publisher IEEE
series IEEE Access
issn 2169-3536
publishDate 2020-01-01
description In this article, a simple controller design with the fractional order calculations applies to unstable cascade processes with a significant time delay. Series cascade control system consists of two loops in which the inner loop is designed using the IMC principle based on the synthesis method. The primary controller is designed with the FOPI-FOPD controller to ensure stable and satisfactory closed-loop performances for the unstable processes. For the primary controller, five tuning parameters are involved, which tuned using the centroid of the convex stability region method. Different examples are given to illustrate the superiority of the proposed design over some existing designs. Results obtained from simulation reveals that with the proposed control design, enhanced closed-loop control performances are obtained for nominal and perturbed conditions.
topic Series cascade control
unstable time-delay process
fractional-order PI/PD
internal model control
convex stability region
url https://ieeexplore.ieee.org/document/9174976/
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