Author Archives: Murray Wiseman

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Posted in Health Safety Environment, RCM, RcmAnal | Leave a comment

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Posted in RCM, RcmAnal | Leave a comment

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Posted in RCM, RcmAnal | Leave a comment

Does historical age data have value?

The following is a quote from a well known consultant: The biggest problem we have is lack of data…  The data we do have in most cases is subject to different conditions as well.  So if I have managed to … Continue reading

Posted in CBM, Data and samples, EAM, Reliability Analysis | Tagged , , | Leave a comment

Reliability trend yes Weibull analysis no

Building a Weibull model from a sample of data that covers a prolonged duration assumes that all failure times observed are “independently and identically distributed” (iid). That means that no change occurred in the inherent reliability of the item over … Continue reading

Posted in Data and samples, Reliability Analysis, Theory and definitions | Leave a comment