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Tag: P-F Interval

  • P-F Interval a red herring?

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    by

    Murray Wiseman
    in

    The article describing EXAKT CBM optimization, “The Elusive P-F Interval“, may leave one with the impression that the P-F Interval is an irrelevant concept. The P-F Interval is a useful concept in certain simple cases. Nevertheless, it does detract from an issue of greater concern to the designer of a CBM program. Namely, the reliable detection…

  • PF interval from the failure rate

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    by

    Murray Wiseman
    in

    How can the PF interval be determined from the failure rate? You can’t know the PF interval directly from the failure rate. The PF interval is unrelated mathematically to the failure rate. It is the lead time between the ability to detect a failure process and the actual loss of function. The PF interval can…