An extended model for optimal burn-in procedures

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In this paper, the problem of determining optimal burn-in time is considered under the general failure model. There are two types of failure in the general failure model. One is Type I failure (minor failure) which can be removed by a minimal repair, and the other is Type II failure (catastrophic failure) which can be removed only by a complete repair. In the researches on optimal burn-in, the assumption of a bathtub shaped failure rate function is commonly adopted. In this paper, upper bounds for optimal burn-in times are obtained under a more general assumption on the shape of the failure rate function, which includes the bathtub shaped failure rate function as a special case.

Original languageEnglish
Pages (from-to)189-198
Number of pages10
JournalIEEE Transactions on Reliability
Issue number2
StatePublished - Jun 2006

Bibliographical note

Funding Information:
Manuscript received August 29, 2005; revised November 1, 2005. This work was supported by the Korea Research Foundation Grant (KRF-2004-041-C00079). Associate Editor: L. Cui. The author is with the Division of Mathematical Sciences, Pukyong National University, Busan 608-737, Korea (e-mail: [email protected]). Digital Object Identifier 10.1109/TR.2006.874921


  • Bathtub-shaped failure rate function
  • Complete repair
  • Eventually increasing failure rate function
  • General failure model
  • Minimal repair
  • Optimal burn-in
  • Upper bound


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