Optimal allocation of active redundancies to k-out-of-n systems with heterogeneous components

Xiaohu Li, Weiyong Ding

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

In this note we deal with the allocation of independent and identical active redundancies to a k-out-of-n system with the usual stochastic order among its independent components. The optimal policy is proved both to assign more redundancies to the weaker component and to majorize all other policies. This improves the corresponding one in Hu andWang (2009) and serves as a nice supplement to that in Misra, Dhariyal and Gupta (2009) as well.

Original languageEnglish
Pages (from-to)254-263
Number of pages10
JournalJournal of Applied Probability
Volume47
Issue number1
DOIs
StatePublished - Mar 2010

Keywords

  • Majorization
  • Schur concave
  • Stochastic order

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