Optimal detuning parameter design for decentralized control of MIMO processes

Khandelwal, Shubham and Detroja, Ketan P (2017) Optimal detuning parameter design for decentralized control of MIMO processes. In: TENCON 2017 - 2017 IEEE Region 10 Conference, 5-8 November 2017, Penang, Malaysia.

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This paper presents an optimization based detuning parameter design method for tuning decentralized PI controllers for a multivariable process. The interactions, existing between the process input-output variables, make the control of MIMO processes a challenging problem. In this work, the MIMO control design problem is formulated into an optimization framework and the differential evolution approach is applied to achieve optimal performance. The framework provides for a suitable trade-off between performance and relative stability. In the proposed approach, the PI controller tuning problem is transformed into an equivalent optimal detuning parameter design problem. Thus dimensionality and the search space of the problem are reduced considerably. In order to verify the simplicity and applicability of the proposed method, closed loop simulations have been performed on various benchmark multivariable processes, including highly interacting and high dimensional MIMO systems. The effectiveness of the proposed approach is demonstrated by comparing performance against existing state of the art methods.

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IITH Creators:
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Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Multivariable, decentralized PI/PID control, detuning, optimization, differential evolution
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 15 May 2019 04:22
Last Modified: 15 May 2019 04:22
URI: http://raiith.iith.ac.in/id/eprint/5169
Publisher URL: http://doi.org/10.1109/TENCON.2017.8227932
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