Int J Performability Eng ›› 2007, Vol. 3 ›› Issue (3): 382-384.doi: 10.23940/ijpe.07.3.p382.mag

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Approximation of Mean Time Between Failures with Maintenance

Wendai Wang1, Michael Dell'Anno1, and Carl Zeh2   

  1. 1General Electric, 1 River Road, Schenectady, NY 12305, USA
    2Syracuse University, Engineering & Computer Science, Syracuse, NY 13244, USA


Mean Time Between Failures (MTBF) is a commonly used metric to indicate the reliability of a reparable item. For items with an increasing failure rate (wear-out failure), periodic maintenance is often performed to improve their operational reliability or increase the operational MTBF. This paper develops a very simple but highly accurate approximation of MTBF for items subjected to periodic maintenance, upon which engineers can easily do a quick calculation and perform design-for-reliability analyses.
Received on April 17, 2007
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