Abstract
In this paper we develop and discuss a prognostics model to estimate the Mean Residual Life of Rail Wagon Bearings within certain confidence intervals. The prognostics model is constructed using a Proportional Hazards Model approach informed by imperfect data from a bearing acoustic monitoring system and related failure database. We have been able to predict failure within a defined maintenance planning window from the receipt of the latest acoustic condition monitoring information. We use the model to decide whether to replace a bearing or leave it until collection of the next condition monitoring indicators. The model is tested on a limited number of cases and demonstrates good predictive capability. Opportunities to improve the performance of the model are identified.
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© 2014 Springer-Verlag London
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Ghasemi, A., Hodkiewicz, M.R. (2014). Rail Wagon Bearings Health Management Based on Imperfect Acoustic Information. In: Lee, J., Ni, J., Sarangapani, J., Mathew, J. (eds) Engineering Asset Management 2011. Lecture Notes in Mechanical Engineering. Springer, London. https://doi.org/10.1007/978-1-4471-4993-4_16
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DOI: https://doi.org/10.1007/978-1-4471-4993-4_16
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