On redundant weighted voting systems with components having stochastic arrangement increasing lifetimes

Yinping You, Li Fan, Xiaohu Li

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

As one generalization of the k-out-of-n structure, the weighted voting system has been paid much attention during the past two decades. This paper has a further study on active redundancies allocation to weighted voting reliability systems of components having LWSAI lifetimes. For redundancies with SAI lifetimes, allocating a more reliable redundancy to a weaker and more heavily weighted component is found to produce a more reliable system in the sense of having higher reliability. Also, in the context of redundancies with identically distributed lifetimes, we show that allocating more redundancies to a weaker and more heavily weighted component produces a more reliable system. Some numerical examples are presented to illustrate the main results as well.

Original languageEnglish
Pages (from-to)777-784
Number of pages8
JournalOperations Research Letters
Volume49
Issue number5
DOIs
StatePublished - Sep 2021

Keywords

  • Active redundancy
  • Archimedean copula
  • Stochastic arrangement increasing
  • Usual stochastic order

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