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Reliability HotWire: The Optimum Overhaul Time Calculation in RGA

Reliability HotWire is a monthly eMagazine by ReliaSoft providing information and tips on how to best improve your reliability practices and get the most out of ReliaSoft’s tools for reliability and life data analysis.

This Month’s Hot Topic

The Optimum Overhaul Time Calculation in RGA

The power law model in RGA is used to analyze system level failure data of fielded systems. Examination of the parameter β can help the analyst to determine if the system is exhibiting infant mortality (β < 1), constant failure intensity (β = 1) or wearout (β > 1). If the system is exhibiting wearout, then failures happen closer together in time as the system ages. Consequently, the associated maintenance costs will increase over time. One strategy for reducing system maintenance costs is to perform an overhaul of the system. This article discusses the theory behind determining an optimum overhaul time and presents a practical example of the calculation in RGA.

For full article, view: Reliability Hotwire – Issue 179 January 2016

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