AVR System Controlling Using Fuzzy-PID Controller with Optimized Membership Functions

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Falahati Aliabadi Saber; TAHER SEYED ABBAS

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Journal Paper

Paper Information

Journal: COMPUTATIONAL INTELLIGENCE IN ELECTRICAL ENGINEERING (INTELLIGENT SYSTEMS IN ELECTRICAL ENGINEERING) Year:2022 | Volume:13 | Issue:2 Page(s): 39-49

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Title

AVR System Controlling Using Fuzzy-PID Controller with Optimized Membership Functions

Author(s)

Falahati Aliabadi Saber | TAHER SEYED ABBAS | Issue Writer Certificate

Keywords

Fuzzy-PID controller

Optimized membership functions

FOPID controller

AVR system

Abstract

The Automatic Voltage Regulator (AVR) system is one of the important systems in power grids. Proportional – Integral (PI) controller is usually used in industries to control the AVR system. However, to increase the flexibility or improving the performance of the PI controller, fractional order PID (FOPID) or combined PID and fuzzy controllers can be used. A new method for the control of AVR has been proposed in this paper. For this purpose, a Fuzzy-PID controller with Optimized membership functions has been employed. Input membership functions along with gains of Fuzzy-PID controller have been optimized with imperialist competitive algorithm (ICA) to control the AVR system. Optimizations have been done with various fitness functions. To compare, simulations have been carried out by optimized fractional order PID (FOPID) controller, too. Results of simulations have illustrated that the proposed controller has better performance compared to the FOPID controller according to settling time, overshoot, fitness function and the maximum of control signal values in all cases in such a way that the minimum improvement of overshoot, settling time, the maximum value of control signal, and fitness function value have improved 59%, 33%, 65%, and 3%, respectively. Moreover, to verify the robustness of the proposed controller to system uncertainties, simulations have been carried out by changing the parameters of the system. Results of simulations have shown the perfect performance of the proposed controller.

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APA: Copy

Falahati Aliabadi, Saber, & TAHER, SEYED ABBAS. (2022). AVR System Controlling Using Fuzzy-PID Controller with Optimized Membership Functions. COMPUTATIONAL INTELLIGENCE IN ELECTRICAL ENGINEERING (INTELLIGENT SYSTEMS IN ELECTRICAL ENGINEERING), 13(2 ), 39-49. SID. https://sid.ir/paper/961951/en

Vancouver: Copy

Falahati Aliabadi Saber, TAHER SEYED ABBAS. AVR System Controlling Using Fuzzy-PID Controller with Optimized Membership Functions. COMPUTATIONAL INTELLIGENCE IN ELECTRICAL ENGINEERING (INTELLIGENT SYSTEMS IN ELECTRICAL ENGINEERING)[Internet]. 2022;13(2 ):39-49. Available from: https://sid.ir/paper/961951/en

IEEE: Copy

Saber Falahati Aliabadi, and SEYED ABBAS TAHER, “AVR System Controlling Using Fuzzy-PID Controller with Optimized Membership Functions,” COMPUTATIONAL INTELLIGENCE IN ELECTRICAL ENGINEERING (INTELLIGENT SYSTEMS IN ELECTRICAL ENGINEERING), vol. 13, no. 2 , pp. 39–49, 2022, [Online]. Available: https://sid.ir/paper/961951/en

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