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Failure, repair and replacement analysis of a navy subsystem: case study of a pump

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  • Donald P. Gaver
  • Patricia A. Jacobs
  • Donald D. Dudenhoeffer

Abstract

An age‐replacement policy may be used to minimize the cost of replacement and repair of a system whose rate of repairable failures increases with age. In this paper we model the failure times before replacement of one such system—a pump used on a submarine—by a non‐homogeneous Poisson process having log‐linear hazard rate which is a function of age. Maximum likelihood is used to estimate model parameters. A renewal–reward process is used to obtain estimates of log‐run average costs of age‐replacement policies. It should be noted that the policy obtained does not recognize possible between‐submarine differences but does acknowledge that noise from a submarine pump is not to be tolerated. © 1998 John Wiley & Sons Ltd.

Suggested Citation

  • Donald P. Gaver & Patricia A. Jacobs & Donald D. Dudenhoeffer, 1997. "Failure, repair and replacement analysis of a navy subsystem: case study of a pump," Applied Stochastic Models and Data Analysis, John Wiley & Sons, vol. 13(3‐4), pages 369-376, September.
    • Handle: RePEc:wly:apsmda:v:13:y:1997:i:3-4:p:369-376
    DOI: 10.1002/(SICI)1099-0747(199709/12)13:3/43.0.CO;2-6
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