Automated design of an FDI system for the wind turbine benchmark

Authors:
Carl Svärd;Mattias Nyberg
Affiliations:
Department of Electrical Engineering, Linköping University, Linköping, Sweden and Scania CV AB, Södertälje, Sweden;Department of Electrical Engineering, Linköping University, Linköping, Sweden and Scania CV AB, Södertälje, Sweden
Venue:
Journal of Control Science and Engineering
Year:
2012

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Abstract

We propose an FDI system for the wind turbine benchmark designed by the application of a generic automated method. No specific adaptation of the method for the wind turbine benchmark is needed, and the number of required human decisions, assumptions, as well as parameter choices is minimized. The method contains in essence three steps: generation of candidate residual generators, residual generator selection, and diagnostic test construction. The proposed FDI system performs well in spite of no specific adaptation or tuning to the benchmark. All faults in the predefined test sequence can be detected and all faults, except a double fault, can also be isolated shortly thereafter. In addition, there are no false or missed detections.