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<dc:title xml:lang="en">Machine-learning-based predictive maintenance for lithium-ion batteries in electric vehicles</dc:title>
<dcterms:alternative xml:lang="fr">Maintenance prévisionnelle des batteries lithium-ion dans les véhicules électriques à base d’apprentissage automatique</dcterms:alternative>
<dc:subject xml:lang="fr">Batteries lithium-ion</dc:subject>
<dc:subject xml:lang="fr">Véhicules électriques</dc:subject>
<dc:subject xml:lang="fr">Maintenance prévisionnelle</dc:subject>
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<dc:subject xml:lang="fr">Séries temporelles</dc:subject>
<dc:subject xml:lang="fr">SOH</dc:subject>
<dc:subject xml:lang="fr">RUL</dc:subject>
<dc:subject xml:lang="en">Lithium-Ion batteries</dc:subject>
<dc:subject xml:lang="en">Electric vehicles</dc:subject>
<dc:subject xml:lang="en">Predictive maintenance</dc:subject>
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<dcterms:abstract xml:lang="fr">La batterie est un élément central des véhicules électriques, soumis à de nombreux enjeux en termes de performances, sécurité et coût. La durée de vie des batteries en particulier fait l’objet d’une grande attention, car elle doit s’aligner avec la durée de vie d’un véhicule. Dans ce contexte, la maintenance prévisionnelle vise à prédire de manière fiable la durée de vie utile restante (RUL) et l’évolution de l’état de santé (SOH) d'une batterie Lithium-Ion (Li-Ion) en utilisant les données d'utilisation passées et présentes, de manière à anticiper les opérations de maintenance. L’objectif de cette thèse est de tirer profit de l’information contenue dans les séries temporelles de courant, tension et température via des algorithmes d’apprentissage automatique. Plusieurs modèles prédictifs ont étés développés à partir de jeux de données publics, afin de prédire le RUL d’une batterie ou l’évolution de son SOH à plus ou moins long terme.</dcterms:abstract>
<dcterms:abstract xml:lang="en">The battery is a central component of electric vehicles, and is subject to numerous challenges in terms of performance, safety and cost. The life of batteries in particular is the subject of a great deal of attention, as it needs to be aligned with the life of a vehicle. In this context, predictive maintenance aims to reliably predict the remaining useful life (RUL) and the evolution of the state of health (SOH) of a Lithium-Ion (Li-Ion) battery using past and present operating data, so as to anticipate maintenance operations. The objective of this thesis is to take advantage of the information contained in the time series of current, voltage and temperature via machine learning algorithms. Several predictive models have been developed from public datasets, in order to predict the RUL of a battery or the evolution of its SOH in the more or less long term.</dcterms:abstract>
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