On active redundancy allocation for coherent systems—from the viewpoint of minimal cut decomposition

Rui Fang, Xiaohu Li

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

This paper deals with coherent systems with one active redundancy. For systems with the subclass of minimal cuts associated with one component covering that of another, assigning the redundancy to the former component is proved to bring forth a more reliable redundant system. As for symmetric systems with lower tail permutation decreasing component lifetimes, allocating the redundancy to the less reliable component results in a longer system lifetime. Several numerical examples are also presented to illustrate the new findings.

Original languageEnglish
Pages (from-to)233-239
Number of pages7
JournalOperations Research Letters
Volume46
Issue number2
DOIs
StatePublished - Mar 2018

Keywords

  • Arrangement increasing
  • Copula
  • LTPD
  • Minimal cut
  • Stochastic order

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