Modelling a general standby system and evaluation of its performance

Ji Hwan Cha, Jie Mi, Won Young Yun

Research output: Contribution to journalArticlepeer-review

65 Scopus citations


Redundancy or standby is a technique that has been widely applied to improving system reliability and availability in system design. In this paper, a general method for modelling standby system is proposed and system performance measures are derived. It is shown that the proposed general standby system includes the cases of cold, hot and warm standby systems with units of exponential distribution, which were studied in the literature, as special cases. An optimal allocation problem for a standby system is also discussed.

Original languageEnglish
Pages (from-to)159-169
Number of pages11
JournalApplied Stochastic Models in Business and Industry
Issue number2
StatePublished - Mar 2008


  • Accelerated life test
  • Cold, hot and warm standby
  • Delayed ageing process
  • Standby system
  • Usual stochastic order


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