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Nonlinear Control of Wind Turbines: An Approach Based on Switched Linear Systems and Feedback Linearization

Author(s):

R. Burkart, K. Margellos, J. Lygeros
Conference/Journal:

IEEE Conference on Decision and Control, Orlando, Fl, USA
Abstract:

The main contribution of this paper is the development of a nonlinear control technique for the control of individual wind turbines in a wind farm. For this purpose, a control scheme based on feedback linearization and gain scheduled linear quadratic regulator (LQR) is applied to a horizontal axis, variable speed, pitch regulated wind turbine. As a result of the physical constraints of their components, wind turbines operate at different control modes with different control objectives. To capture this hybrid nature, a flexible modeling framework based on the notion of hybrid systems is introduced, and the developed controller is designed so as to operate in all modes and over a wide range of wind speeds. The performance and the efficiency of the proposed approach is validated via simulations, and is compared with standard LQR approaches.

Year:

2011
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@InProceedings { BurMar:2011:IFA_3854,
    author={R. Burkart and K. Margellos and J. Lygeros},
    title={{Nonlinear Control of Wind Turbines: An Approach Based on
	  Switched Linear Systems and Feedback Linearization}},
    booktitle={IEEE Conference on Decision and Control},
    pages={},
    year={2011},
    address={Orlando, Fl, USA},
    month=dec,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=3854}
}
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