Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/83098
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Type: Journal article
Title: Gain-scheduled robust fault detection on time-delay stochastic nonlinear systems
Author: Yin, Y.
Shi, P.
Liu, F.
Citation: IEEE Transactions on Industrial Electronics, 2011; 58(10):4908-4916
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Issue Date: 2011
ISSN: 0278-0046
1557-9948
Statement of
Responsibility: 
Yanyan Yin, Peng Shi, and Fei Liu
Abstract: This paper studies the problem of continuous gain-scheduled robust fault detection (RFD) on a class of time-delay stochastic nonlinear systems with partially known jump rates. By means of gradient linearization procedure, stochastic linear models and filter-based residual signal generators are constructed in the vicinity of selected operating states. Furthermore, in order to guarantee the sensitivity to faults and robustness against unknown inputs, an RFD filter (RFDF) is designed for such linear models by first designing H∞ filters that minimize the influences of the disturbances and modeling uncertainties and then a new performance index that increases the sensitivity to faults. Subsequently, a sufficient condition on the existence of RFDF is established in terms of linear matrix inequality techniques. Finally, a continuous gain-scheduled approach is employed to design continuous RFDFs on the entire nonlinear jump system. A simulation example is given to illustrate that the proposed RFDF can detect the faults correctly and shortly after the occurrences.
Rights: © 2011 IEEE
RMID: 0020127686
DOI: 10.1109/TIE.2010.2103537
Appears in Collections:Electrical and Electronic Engineering publications

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