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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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/ |
work_keys_str_mv |
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