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Recent content by VTgrad
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Adding MTBF's
The Reliable Engineer Primer (Cover title: CRE primer) By Robert A Dovich, Bill Wortman, Quality Council of Indiana, Published by Quality Council of Indiana, 1995 Page VI-9 says, ". . .in series systems, the failure rate are additive; MTBF values are not!"- VTgrad
- Post #11
- Forum: Engineering methods
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Minimum time for systems availability spec?
When writing a requirement for system availability, is there a minimum time period that should be specified for statistical significance? For example, "The ABC system shall provide 99.95% availability, per quarter." Is "per quarter" too short? Should this be "one year"?- VTgrad
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- Replies: 1
- Forum: Engineering methods
