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Article Dans Une Revue Reliability Engineering and System Safety Année : 2015

A particle filtering and kernel smoothing-based approach for new design component prognostics

Résumé

This work addresses the problem of predicting the Remaining Useful Life (RUL) of components for which a mathematical model describing the component degradation is available, but the values of the model parameters are not known and the observations of degradation trajectories in similar components are unavailable. The proposed approach solves this problem by using a Particle Filtering (PF) technique combined with a Kernel Smoothing (KS) method. This PF-KS method can simultaneously estimate the degradation state and the unknown parameters in the degradation model, while significantly overcoming the problem of particle impoverishment. Based on the updated degradation model (where the unknown parameters are replaced by the estimated ones), the RUL prediction is then performed by simulating future particles evolutions. A numerical application regarding prognostics for Lithium-ion batteries is considered. Various performance indicators measuring precision, accuracy, steadiness and risk of the obtained RUL predictions are computed. The obtained results show that the proposed PF-KS method can provide more satisfactory results than the traditional PF methods.
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Dates et versions

hal-01265661 , version 1 (01-02-2016)

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Yang Hu, Piero Baraldi, Francesco Di Maio, Enrico Zio. A particle filtering and kernel smoothing-based approach for new design component prognostics. Reliability Engineering and System Safety, 2015, ⟨10.1016/j.ress.2014.10.003⟩. ⟨hal-01265661⟩
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