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Approximation of Mean Time Between Failures with Maintenance

Volume 3, Number 3, July 2007 - SC 5   - pp. 382 - 384

Wendai Wang1, Michael Dell'Anno1 and Carl Zeh2

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

(Received on April 17, 2007)


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.


References: 04

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