Experimental application of nonlinear minimum variance estimation for fault detection systems

Alkan Alkaya and Michael John Grimble

International Journal of Systems Science, 2016, vol. 47, issue 12, 3055-3063

Abstract: The purpose of this paper is to present an experimental design and application of a novel model-based fault detection technique by using a nonlinear minimum variance (NMV) estimator. The NMV estimation technique is used to generate a residual signal which is then used to detect faults in the system. The main advantage of the approach is the simplicity of the nonlinear estimator theory and the straightforward structure of the resulting solution. The proposed method is implemented and validated experimentally on DC servo system. Experimental results demonstrate that the technique can produce acceptable performance in terms of fault detection and false alarm.

Date: 2016
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DOI: 10.1080/00207721.2014.971091

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