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Efficient Aeroservoelastic Modeling and Control using Trailing-Edge Flaps of Wind Turbines

Author(s):

B.F. Ng, H. Hesse, R. Palacios, E.C. Kerrigan, J.M.R. Graham
Conference/Journal:

UKACC International Conference on Control, Loughborough, UK
Abstract:

This paper presents a computationally efficient aeroservoelastic modeling approach for dynamic load alleviation in large wind turbines with trailing-edge aerodynamic control surfaces. The aeroelastic model is expressed directly in a statespace formulation and trailing-edge flaps are modeled directly in the unsteady aerodynamics. The linear model of a single rotating blade is used to design a Linear-Quadratic-Gaussian regulator for minimizing the root-bending moments, which is shown to provide load reductions of about 20% in closed-loop on the full wind turbine non-linear aeroelastic model.

Year:

2014
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@InProceedings { NgEtal:2014:IFA_4969,
    author={B.F. Ng and H. Hesse and R. Palacios and E.C. Kerrigan and J.M.R.
	  Graham},
    title={{Efficient Aeroservoelastic Modeling and Control using
	  Trailing-Edge Flaps of Wind Turbines}},
    booktitle={UKACC International Conference on Control},
    pages={},
    year={2014},
    address={Loughborough, UK},
    month=jul,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=4969}
}
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