Author Archives: Murray Wiseman
Diagnostics versus prognostics
Where is the divide between the process of troubleshooting and that of predictive condition based maintenance? Both sets of procedures require condition data and knowledge of failure behavior. How do these distinct processes work with one another? Some confusion in the … Continue reading
Posted in CBM, Theory and definitions
Tagged CBM, Potential failure, RULE, Terminology
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Objectivity in condition based maintenance decisions
I am interested in knowing more on your decision tool around CM (Condition Monitoring) prognosis and when to intervene in corrective maintenance. I want to look at different ways of removing subjective decisions and use more of an objective method … Continue reading
Posted in CBM, EAM, LRCM, Reliability Analysis
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What is the difference between RCM and LRCM?
You ask a very good question, and an important one. RCM was developed in the 1970s by Nowlan and Heap and revealed to the maintenance world in their pivotal work performed at United Airways under U.S. government contract. Their report, … Continue reading
Achieving reliability from data
Which, among limitless, maintenance related data is relevant to physical asset reliability improvement? Secondly, how do we transform that data into decision models for effective risk management? Finally, how do we continuously update those models for verifiable asset reliability improvement? These questions drive our relentless pursuit of new maintenance … Continue reading
Posted in Reliability Analysis, Theory and definitions
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RCM Worksheet Guide
Time is of the essence when performing RCM analysis. The RCM team (aka “review group”) must stay focused. They must avoid tangents into unnecessary detail yet extract from their collective experience the vital knowledge of the asset’s failure behavior. The … Continue reading
Posted in RCM
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