Interval reliability for aggregated Markov repairable system with repair time omission

Baoliang Liu, Lirong Cui () and Yanqing Wen

Annals of Operations Research, 2014, vol. 212, issue 1, 169-183

Abstract: In this paper, Markov models of repairable systems with repair time omission are considered whose finite state space is grouped into two sets, the set of working states, W, and the set of failed states, F. If the system enters failed states from a working state at any instance, and sojourns at the failed states F less than a given nonnegative critical value τ, then the repair interval can be omitted from downtime records. Otherwise, If the system enters failed states from a working state at any instance, and sojourns at the failed states F more than the given nonnegative critical value τ, then the repair interval cannot be omitted from downtime records. In terms of the assumption, a new model is developed. The focus of attention is the new model’s availability, interval reliability and interval unreliability. Several results are derived for these reliability indexes for the new model. Some special cases and numerical examples are given to illustrate the results obtained by using Maple software in the paper. Copyright Springer Science+Business Media New York 2014

Keywords: Interval reliability; Availability; Markov repairable system; Time interval omission (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1007/s10479-013-1402-8

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