The automatic voltage regulator (AVR) system is commonly used in power systems to keep the terminal voltage of generator at a specified level. The terminal voltage level is controlled by using different controllers in an AVR sistem. Researchers aim to improve dynamic performance of the AVR system and to decrease the steady state error to zero by using different controllers in their studies. They design controllers by utilizing evolutionary algorithms. Evolutionary algorithms are widely used to optimally tune controller parameters according to predefined objective function. In this study, two different proportional-integral-derivative with filter (PID-F) controllers are designed for the AVR system. Atom search optimization (ASO) and particle swarm optimization (PSO) algorithms are used to tune the parameters of the controllers. For each controller, transient response analysis, frequency analysis, and robustness analysis are examined in Matlab/Simulink for the AVR system and performance comparison is made. The results indicate that the ASO algorithm achieves better results than the PSO algorithm. In addition, it is concluded that the PID-F controller designed with ASO algorithm improves the transient response characteristics, stability and robustness compared to the classical PID controller of which the parameters are tuned by ASO, PSO, Biogeography based optimization (BBO) and Artificial bee colony (ABC).
Primary Language | Turkish |
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Subjects | Engineering |
Journal Section | Articles |
Authors | |
Publication Date | June 15, 2020 |
Published in Issue | Year 2020 |
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