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Title: Parameter estimation in reliability modeling of distributed detection systems
Authors: Long, Q.
Xie, M. 
Ng, S.H. 
Keywords: Bayesian approach
Distributed detection system
Parameter estimation
Reliability analysis
Issue Date: 2007
Citation: Long, Q.,Xie, M.,Ng, S.H. (2007). Parameter estimation in reliability modeling of distributed detection systems. IFAC Proceedings Volumes (IFAC-PapersOnline) 1 (PART 1) : 19-24. ScholarBank@NUS Repository.
Abstract: Most reliability models are associated with their own parameters which are typically estimated from the history data. For the widely used distributed detection system in fault detection, the system reliability depends on the number of normally working detectors and the accuracy of its local detectors. Parameters of the reliability model of distributed detection system are subject to random variation as the detection system may be used in different purposes and environments. Hence, to evaluate the reliability accurately, it is necessary to obtain the system parameters precisely from the test data we have. In this paper, we present a Bayesian approach to estimate the unknown parameters of distributed detection system from the scarce data and quantify the uncertainty on the system reliability by measure of variance. A simulation is conducted as well to calculate the effect on the system reliability from the uncertainty of the parameters. An example is applied to illustrate the parameter estimation by Bayesian approach. Copyright © 2007 IFAC.
Source Title: IFAC Proceedings Volumes (IFAC-PapersOnline)
ISBN: 9783902661395
ISSN: 14746670
Appears in Collections:Staff Publications

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