Tag Archives: Terminology
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
Service vs. maintenance
There is a noteworthy distinction between the activities of “maintenance” on one hand and “service” on the other. Maintenance is a partial or total renewal of an item. Maintenance reduces the physical age of an item or can even “zero … Continue reading
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RCM vs RA
Is RCM a form of Reliability Analysis (RA)? RA is the counting of failure and suspension events in order to understand the behavior pattern of a component or failure mode. RCM practitioners sometimes refer to the Reliability Centered Maintenance (RCM) … Continue reading
FMEA according to Wikipedia
FMEA stands for “Failure Modes and Effects Analysis”. It begins with a thorough functional analysis. FMEA is the core process of RCM. However, the FMEA article in Wikipedia is misleading. It uses outdated terminology that renders the subject of FMEA vague, … Continue reading