What are the methods available to predict the optimal preventive maintenance interval for a repairable system?
My experience is failure data colllection and analysis + reliability centered maintenance if your system is not sudjected to legalisation like
nuclear / oil / power / etc. indsutry.
Article Development of an optimal preventive maintenance model based...
Two types of performance-based measures, performance availability and probabilistic resilience, and apply them together with traditional PM decision elements, system breakdown rate, and per-unit-time cost, to find the optimal PM interval.
Reference : Article Preventive Maintenance Interval Optimization for Continuous ...
Reliability Centered Maintenance is the best mehtod from my experience. You need to have a good FMEA and FMECA (system oriented) to support you, plus good a weibul. This is normally a result form some data gathering or database analysis, much better with operational and failure data to back it up, but you could do with technical experts in case of lack of data as a star point, and later implement the operational and failure database - also look at FRACAS.
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