D. Assaf, B. Levikson

Research output: Contribution to journalArticlepeer-review


A system (e. g. , a car) must operate for the next t time units. A certain component (e. g. , a battery) must be replaced whenever it fails, as it is essential for the operation of the system. There are several types of components differing only in price and life distribution. The problem of choosing the optimal type at any time in which a replacement is needed has previously been studied when all life distributions are exponential. In this study the results are extended to the case where life distributions are arbitrary. Conditions are given under which there is an optimal replacement policy with a special convenient form. Algorithms for the solution of the problem are provided. Examples and related problems are discussed.

Original languageEnglish
Pages (from-to)1304-1312
Number of pages9
JournalManagement Science
Issue number11
StatePublished - 1982

ASJC Scopus subject areas

  • Strategy and Management
  • Management Science and Operations Research


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