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Establishing maintenance intervals based on measurement reliability of engineering endpoints
1North Memorial Health Care, Robbinsdale, MN 55422, USA. jame008@tc.umn.edu
Abstract:
Methods developed by the metrological community and principles used by the research community were integrated to provide a basis for a periodic maintenance interval analysis system. Engineering endpoints are used as measurement attributes on which to base two primary quality indicators: accuracy and reliability. Also key to establishing appropriate maintenance intervals is the ability to recognize two primary failure modes: random failure and time-related failure. The primary objective of the maintenance program is to avert predictable and preventable device failure, and understanding time-related failures enables service personnel to set intervals accordingly.
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