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- W3044484889 abstract "Predictive maintenance is emerging as a promising technique to overcome the limitations of periodic maintenance. It integrates automatic condition monitoring to evaluate the health status of a system or device, with the estimation of Remaining Useful Life (RUL) of its components, in order to schedule maintenance only when really needed, minimizing the downtime of a plant.In this paper, we report our results in evaluating the health conditions of the rotating ball bearings of a critical air pump which is part of the Clean Room industrial facility operating in the Micro-Technologies Laboratory of Fondazione Bruno Kessler. We instrumented such component with vibration and acoustic sensors with the aim of identifying a model of the evolving degradation and estimating the RUL of the bearings. The current dataset covers a period of one month before bearing replacement and about six months after the replacement. The first models, based on regression and particle filter processing of critical spectral components extracted from the sensors, indicate an estimated RUL of about 12 months that is in agreement with the average lifetime based on scheduled maintenance. Subsequent model evolutions have been observed in conjunction with scheduled greasing and periods of lower stress, which resulted in remarkable deviations from the initial degradation trends and in a consequent notable increase of the estimated RUL.Results achieved so far are promising and could be used to extend the temporal distance among periodic maintenance interventions according to the estimated RUL." @default.
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- W3044484889 date "2020-07-19" @default.
- W3044484889 modified "2023-09-24" @default.
- W3044484889 title "Predicting RUL of Bearings in the Pumps of a Critical Industrial Air Treatment System" @default.
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- W3044484889 doi "https://doi.org/10.36001/phme.2020.v5i1.1237" @default.
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