Comparison of steady system availability with imperfect repair

Ji Hwan Cha, Sangyeol Lee, Jie Mi

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Availability is a very important measure of performance for a repairable system which can be in one of two states: operational and non-operational. In this paper we compare steady system availabilities of two different systems which are subject to imperfect repair policy. Comparisons of the measure are made based on failure rate orderings, usual stochastic orderings, repair policy orderings and classifications of life distributions.

Original languageEnglish
Pages (from-to)27-36
Number of pages10
JournalApplied Stochastic Models in Business and Industry
Issue number1
StatePublished - 2004


  • Hazard rate ordering
  • Minimal repairs
  • Perfect repair
  • System availability
  • Usual stochastic ordering


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