Comparison of Age, Block, and Failure Replacement Policies

Menachem Berg, Benjamin Epstein

Research output: Contribution to journalArticlepeer-review


Two widely used preventive replacement policies are the age replacement policy (ARP) and the block replacement policy (BRP). Another replacement policy is the failure replacement policy (FRP)in which no preventive replacements are made at all. In this paper we give a rule for choosing the least costly of the above three policies under conditions specified in the paper. The implementation of this rule is illustrated for two special cases, where the distribution of item life times is uniform, or 2-stage Erlang.

Original languageEnglish
Pages (from-to)25-29
Number of pages5
JournalIEEE Transactions on Reliability
Issue number1
StatePublished - Apr 1978


  • Age
  • Block
  • Failure replacement policies

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Electrical and Electronic Engineering


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