Tag Archives: Shape parameter
How to assess EAM and CBM predictive capability
The article Take the EAM data health check provided maintenance engineers with a form for submitting their CBM and EAM data for assessment of its predictive decision support capability. In this article we’ll describe the methods we use to scrutinize … Continue reading
Posted in Data and samples, KPIs
Tagged EXAKT, Failure data, Mistaking failure for suspension, Sample, Shape parameter
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Failure probability prior to attaining MTTF
The article “What is the scale parameter” showed that 63% of randomly failing items or items adhering to Weibull failure behavier will fail prior to attaining their MTTF. Generally speaking, the MTTF is not a good decision guide for the … Continue reading
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Data or reliability analysis is the main role of the Reliability Engineer (RE) in maintenance. In support of his quest for good data, the RE should organize and teach technicians, planners and supervisors how to complete maintenance work orders so … Continue reading
Posted in Managing LRCM
Tagged Conditional density function, Confidence, Free text, KPIs, LRCM, Sample, Shape parameter, Standard deviation, What I did, What I found
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Defeating CBM
The following slide presentation on the importance of distinguishing failures from suspensions on work orders, refers to the Proportional Hazard Model (PHM) and the shape parameter β. The shape parameter is calculated from a good sample of condition monitoring and … Continue reading