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From ROM of Electrochemistry to AI-Based Battery Digital and Hybrid Twin

Article dans une revue avec comité de lecture
Author
SANCARLOS, Abel
95355 University of Zaragoza - Universidad de Zaragoza [Zaragoza]
564849 ESI Group [ESI Group]
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
CAMERON, Morgan
564849 ESI Group [ESI Group]
ABEL, Andreas
564849 ESI Group [ESI Group]
CUETO, Elias
95355 University of Zaragoza - Universidad de Zaragoza [Zaragoza]
DUVAL, Jean-Louis
564849 ESI Group [ESI Group]
CHINESTA, Francisco
564849 ESI Group [ESI Group]
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/20776
DOI
10.1007/s11831-020-09404-6
Date
2020
Journal
Archives of Computational Methods in Engineering

Abstract

Lithium-ion batteries are widely used in the automobile industry (electric vehicles and hybrid electric vehicles) due to their high energy and power density. However, this raises new safety and reliability challenges which require development of novel sophisticated Battery Management Systems (BMS). A BMS ensures the safe and reliable operation of a battery pack and to realize it a model must be solved. However, current BMSs are not adapted to the specifications of the automotive industry, as they are unable to give accurate results at real-time rates and during a wide operation range. For this reason, the main focus of this work is to develop a Hybrid Twin, as introduced in Chinesta et al. (Arch Comput Methods Eng (in press), 2018. https://doi.org/10.1007/s11831-018-9301-4), so as to meet the requirements of the new generation of BMS. To achieve this, three reduced order model techniques are applied to the most commonly used physics-based models, each one for a different range of application. First, a POD model is used to greatly reduce the simulation time and the computational effort for the pseudo-2D model, while maintaining its accuracy. In this way, cell design, optimization of parameters, and simulation of battery packs can be done while saving time and computational resources. In addition, its real-time performance has been studied. Next, a regression model is constructed from data by using the sparse-Proper Generalized Decomposition (s-PGD). It is shown that it achieves real-time performance for the whole electric vehicle (EV) system with a battery pack. In addition, this regression model can be used in a BMS without issues because of the simple algebraic expression obtained. A simulation of the EV with the proposed approach is demonstrated using the system simulation tool SimulationX (ESI ITI GmbH. Dresden, Germany). Furthermore, the Digital Twin created using the s-PGD does not only allow for real-time simulations, but it can also adapt its predictions taking into consideration the real driving conditions and the real driving cycle to change the planning in real-time. Finally, a data-driven model based

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