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Simulation methods for system reliability using the survival signature.

Patelli, E. and Feng, G. and Coolen, F.P.A. and Coolen-Maturi, T. (2017) 'Simulation methods for system reliability using the survival signature.', Reliability engineering & system safety., 167 . pp. 327-337.

Abstract

Recently, the survival signature has been presented as a summary of the structure function which is sufficient for computation of common reliability metrics and has the crucial advantage that it can be applied to systems with components whose failure times are not exchangeable. The survival signature provides a huge reduction in required information, e.g. for its storage, compared to the full structure function, its implementation to larger systems is still difficult in a purely analytical manner and simulations may be required to derive the reliability metrics of interest. Hence, the main question addressed in this paper is whether or not the survival signature provides sufficient information for efficient simulation to derive the system’s failure time distribution. We answer this question in the affirmative by presenting two algorithms for survival signature-based simulation. In addition, we present a third simulation algorithm that can be used in case of repairable components. It turns out that these algorithms are very efficient, beyond the initial advantage of requiring only the survival signature to be available, instead of the full structure function.

Item Type:Article
Full text:Publisher-imposed embargo until 15 June 2018.
(AM) Accepted Manuscript
First Live Deposit - 14 June 2017
Available under License - Creative Commons Attribution Non-commercial No Derivatives.
File format - PDF
(952Kb)
Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1016/j.ress.2017.06.018
Publisher statement:© 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Record Created:14 Jun 2017 12:43
Last Modified:02 Jul 2017 16:36

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