Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/72304
Title: Combinatorial reliability analysis of warm-standby systems with imperfect fault coverage
Authors: Tannous, O.
Xing, L.
Peng, R.
Xie, M. 
Keywords: Dynamic fault tree (DFT)
Imperfect fault coverage (IPC)
Sequential multistate decision diagram (SMDD)
Time dependence
Warm-standby system
Issue Date: 2012
Source: Tannous, O.,Xing, L.,Peng, R.,Xie, M. (2012). Combinatorial reliability analysis of warm-standby systems with imperfect fault coverage. Proceedings - 18th ISSAT International Conference on Reliability and Quality in Design : 60-64. ScholarBank@NUS Repository.
Abstract: Warm Standby redundancies are used for improving the reliability in various applications requiring a fast system restoration and minimal energy consumption. Warm-standby redundancies introduce sequential dependent failure behavior between the online unit and the standby units; in particular, failure rates of the standby units change after replacing the on-line faulty unit. Moreover, when the system components are subject to uncovered/undetected fault, the entire system fails despite the presence of remaining redundancies. This paper models the reliability of 1-out-n warm-standby sparing systems subject to imperfect fault coverage based on Sequential Multistate Decision Diagrams (SMDD). The proposed method can overcome some limitations of existing works on warm-standby systems with imperfect fault coverage, such as assuming exponential timeto- failure distribution for all the system components or considering only one warm standby unit. An illustrative example is given to show advantages and applications of the proposed SMDD-based method.
Source Title: Proceedings - 18th ISSAT International Conference on Reliability and Quality in Design
URI: http://scholarbank.nus.edu.sg/handle/10635/72304
ISBN: 9780976348689
Appears in Collections:Staff Publications

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