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Title: A distribution-based systems reliability model under extreme shocks and natural degradation
Authors: Ye, Z.S.
Tang, L.C. 
Xu, H.Y.
Keywords: Brown-Proschan model
extreme shock
hazard potential
multiple failure modes
natural failure
Issue Date: Mar-2011
Citation: Ye, Z.S., Tang, L.C., Xu, H.Y. (2011-03). A distribution-based systems reliability model under extreme shocks and natural degradation. IEEE Transactions on Reliability 60 (1) : 246-256. ScholarBank@NUS Repository.
Abstract: Degradation, and shock are two common mechanisms accounting for product failures. This paper presents a convenient means of capturing both shock and degradation in a single model when the extent of degradation and the magnitude of shocks are not observable, but only the failure times and the corresponding failure modes are recorded. We assume that the lifetime of a degradation-oriented failure, which is regarded as some initial random resource, belongs to some distribution family. Shocks arrive according to a non-homogeneous Poisson process, and the destructive probability depends on the transformed remaining resource of the system. Under these assumptions, we propose the single failure time model, and the recurrent event model. This study complements the well-known Brown-Proschan model. The single failure time model has successfully been applied to a real time data set. We also conduct a simulation study to examine the accuracy of our model. © 2010 IEEE.
Source Title: IEEE Transactions on Reliability
ISSN: 00189529
DOI: 10.1109/TR.2010.2103710
Appears in Collections:Staff Publications

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