期刊
INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING
卷 32, 期 4, 页码 549-567出版社
WILEY
DOI: 10.1002/acs.2792
关键词
fault estimation; joint fault and state estimation; unknown-but-bounded uncertainty; wind turbine
资金
- National Science Centre in Poland [2013/11/B/ST7/01110]
- Spanish Ministry of Science and Technology [DPI2014-58104-R]
- L'Agencia de Gestio d'Ajuts Universitaris i de Recerca [FI-DGR 2015, 2015FI_B2 00171]
- Direccio General de Recerca of Generalitat de Catalunya [2014/SGR/374]
- Research Council of Norway [223254]
- ERCIM Alain Bensoussan Fellowship Programme
This paper addresses the problem of fault estimation in wind turbines using a joint fault and state estimation scheme. The scheme assumes a set of possible faults affecting the dynamics of the wind turbine. Then, a combined adaptive and parameter estimation scheme is developed taking into consideration that process disturbances and sensor noises are unknown but bounded in an ellipsoid. Two subcases are considered depending on the satisfaction of a certain rank condition. The proposed approach is applied to a wind turbine based on a benchmark system model. The benchmark represents relevant fault scenarios, including sensor, actuator, and process faults. The proposed approach focuses on the last group of faults. Finally, the obtained results show that a satisfactory fault estimation is achieved against a set of predefined fault scenarios.
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