Design of robust multi-loop PI controller for improved disturbance rejection with constraint on minimum singular value

• Autorzy: Arun Pathiran , Muniraj Rathinam , Boselin Prabhu S.R. , Jarin T. , Willjuice Iruthayarajan M.

Identyfikatory

DOI

10.24425/acs.2023.148884

• Języki publikacji: EN

Abstrakty

EN

Disturbance rejection performance optimization with constraints on robustness for a multivariable process is commonly encountered in industrial control applications. This paper presents the tuning of a multi-loop Proportional Integral (PI) controller method to enhance the performance of load disturbance rejection using evolutionary optimization. The proposed design methodology is formulated to minimize the load disturbance rejection response and the input control energy under the constraints of robust stability. The minimum singular value of multiplicative uncertainty is considered a multi-loop system robust stability indicator. Optimization is performed to achieve the same, or higher level than the most-explored Direct Synthesis (DS) based multi-loop PI controller, which is derived from a conventional criterion. Simulation analysis clearly proved that the proposed multi-loop PI controller tuning method gives better disturbance rejection, and either, the same or a higher level of robust stability when compared to the DS-based multi-loop PI controller.

Słowa kluczowe

EN

multi-loop PI controller; multivariable system; decentralized control; disturbance rejection; robust stability

• Wydawca: Polish Academy of Sciences, Committee of Automatic Control and Robotics
• Czasopismo: Archives of Control Sciences
• Rocznik: 2023
• Tom: Vol. 33, No. 4
• Strony: 839--859
• Opis fizyczny: Bibliogr. 25 poz., rys., tab., wzory

Twórcy

autor

Arun Pathiran

• Department of Electrical and Electronics Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, India

• https://orcid.org/0000-0002-4134-9941

autor

Muniraj Rathinam

• Department of Electrical and Electronics Engineering, P.S.R Engineering College, Sivakasi, India

• https://orcid.org/0000-0002-3158-2125

autor

Boselin Prabhu S.R.

• Deparment of Electronics and Communication Engineering, Surya Engineering College, India

• https://orcid.org/0000-0002-7241-3731

autor

Jarin T.

• Department of Electrical and Electronics Engineering, Jyothi Engineering College, Thrissur, India

• https://orcid.org/0000-0002-1974-0688

autor

Willjuice Iruthayarajan M.

• Department of Electrical and Electronics Engineering, National Engineering College, Kovilpatti, India

• https://orcid.org/0000-0001-8134-1699

Bibliografia

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