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IEEE Trans Neural Netw. 1999;10(4):898-906. doi: 10.1109/72.774245.

Direct adaptive control of wind energy conversion systems using Gaussian networks.

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  • 1Industrial Electronics and Control Laboratory, Department of Electronics, University of La Plata, La Plata, Argentina.

Abstract

Grid connected wind energy conversion systems (WECS) present interesting control demands, due to the intrinsic nonlinear characteristics of windmills and electric generators. In this paper a direct adaptive control strategy for WECS control is proposed. It is based on the combination of two control actions: a radial basis zfunction network-based adaptive controller, which drives the tracking error to zero with user specified dynamics, and a supervisory controller, based on crude bounds of the system's nonlinearities. The supervisory controller fires when the finite neural-network approximation properties cannot be guaranteed. The form of the supervisor control and the adaptation law for the neural controller are derived from a Lyapunov analysis of stability. The results are applied to a typical turbine/generator pair, showing the feasibility of the proposed solution.

PMID:
18252585
[PubMed]
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