Fuzzy Systems and its Applications

Fuzzy Systems and its Applications

Design of an optimized fuzzy controller to improve automatic load-frequency control in multi-zone systems in the power grid using a meta-heuristic algorithm

Document Type : Original Article

Authors
mohamad abedini 1
bahram Rashidi 2
1 abru
2 Ayatollah Boroujerdi University
10.22034/jfsa.2025.506599.1261
Abstract
The importance of load frequency control in the electric power system is crucial for uninterrupted auxiliary services. A load frequency controller consists of an interconnected area that maintains the frequency at a desired level and keeps the line power between the two areas at a specified value. An important point in this regard is the adjustment of the parameters of the controllers used in this system, which can reduce the error created in the network to zero in a short time and with low fluctuations. Today, the use of artificial intelligence in various industries, especially engineering, is increasing because it can easily analyze complex and nonlinear problems with low cost and high power. Therefore, in this paper, a combination of fuzzy controllers and a new optimization algorithm derived from nature have been used to adjust the parameters of the proposed controller so that it can respond quickly to load changes and even be resistant to changes in system parameters and adjust the parameters of the proposed controller intelligently and without the need for the intervention of the system operator. To demonstrate the proposed performance, three scenarios have been implemented and the proposed method effectively increases the system damping and reduces the steady-state error caused by network disturbances to zero in a short time.
Keywords
Load frequency control
fuzzy
PID controller
evolutionary algorithm
Subjects
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Fuzzy Systems and its Applications
Volume 8, Issue 1 - Serial Number 16
Open Access Statement
June 2025
Pages 1-25

  • Receive Date 14 February 2025
  • Revise Date 09 May 2025
  • Accept Date 27 May 2025