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Aliyu Hamza Sule
Universiti Teknologi Malaysia
Computer Science & IT Electrical & Electronics Engineering

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Optimal tuning of proportional integral controller for fixed-speed wind turbine using grey wolf optimizer Aliyu Hamza Sule; Ahmad Safawi Mokhtar; Jasrul Jamani Bin Jamian; Attaullah Khidrani; Raja Masood Larik
International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 5: October 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (994.541 KB) | DOI: 10.11591/ijece.v10i5.pp5251-5261

Abstract

The need for tuning the PI controller is to improve its performance metrics such as rise time, settling time and overshoot. This paper proposed the Grey Wolf Optimizer (GWO) tuning method of a Proportional Integral (PI) controller for fixed speed Wind Turbine. The objective is to overcome the limitations in using the PSO and GA tuning methods for tuning the PI controller, such as quick convergence occurring too soon into a local optimum, and the controller step input response. The GWO, the Particle Swarm Optimization (PSO), and the Genetic Algorithm (GA) tuning methods were implemented in the Matlab 2016b to search the optimal gains of the Proportional and Integral controller through minimization of the objective function. A comparison was made between the results obtained from the GWO tuning method against PSO and GA tuning techniques. The GWO computed the smallest value of the objective function minimized. It exhibited faster convergence and better time response specification compared to other methods. These and more performance indicators show the superiority of the GWO tuning method.
Co-Authors Ahmad Safawi Mokhtar Attaullah Khidrani Jasrul Jamani Bin Jamian Raja Masood Larik