Application of adaptive fuzzy control in the variable speed wind turbines

  • Authors:

  • Mohamad Eydani Asl;Seyed Hamidreza Abbasi;Faridoon Shabaninia

  • Affiliations:

  • School of Electrical and Computer Engineering, Shiraz University, Iran;School of Electrical and Computer Engineering, Shiraz University, Iran;School of Electrical and Computer Engineering, Shiraz University, Iran

  • Venue:
  • AICI'12 Proceedings of the 4th international conference on Artificial Intelligence and Computational Intelligence
  • Year:
  • 2012

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Abstract

In order to maximize energy capturing in wind turbines, the wind turbine generator needs to tune the speed of the wind turbine according to the wind. As it is obvious from the literatures, conventional controllers have low efficiency to obtain the better dynamic quality and robustness based on the mathematic models due to uncertainty of wind speed and wind direction. In this paper, an adaptive fuzzy controller is proposed for the variable speed wind power system with uncertain model parameters and force disturbances. The control scheme is based on indirect adaptive fuzzy method using feedback linearization. The uncertainties are approximated by a fuzzy approximator and an adaptive law improves the approximation. The stability of the proposed controller is proved using lyapunov method. Simulation results indicate that the strong robustness and better tracking performance can be achieved rather than a conventional PI controller.