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International Federation of Automatic Control (IFAC), IFAC papers online, 20(45), p. 313-318, 2012

DOI: 10.3182/20120829-3-mx-2028.00010

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Fault tolerant control of wind turbines using unknown input observers

Journal article published in 2012 by Peter Fogh Odgaard, Odgaard Peter, Jakob Stoustrup ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

This paper presents a scheme for accommodating faults in the rotor and generator speed sensors in a wind turbine. These measured values are important both for the wind turbine controller as well as the supervisory control of the wind turbine. The scheme is based on unknown input observers, which are also used to detect and isolate these faults. The scheme is tested on a known benchmark for FDI and FTC of wind turbines. Tests on this benchmark model show a clear potential of the proposed scheme.