Title
Active Adaptive Battery Aging Management for Electric Vehicles
Abstract
The battery pack accounts for a large share of an electric vehicle cost. In this context, making sure that the battery pack life matches the lifetime of the vehicle is critical. The present work proposes a battery aging management framework which is capable of controlling the battery capacity degradation while guaranteeing acceptable vehicle performance in terms of driving range, recharge time, and drivability. The strategy acts on the maximum battery current, and on the depth of discharge. The formalization of the battery management issue leads to a multi-objective, multi-input optimization problem for which we propose an online solution. The algorithm, given the current battery residual capacity and a prediction of the driver's behavior, iteratively selects the best control variables over a suitable control discretization step. We show that the best aging strategy depends on the driving style. The strategy is thus made adaptive by including a self-learnt, Markov-chain-based driving style model in the optimization routine. Extensive simulations demonstrate the advantages of the proposed strategy against a trivial strategy and an offline benchmark policy over a life of 200 000 (km).
Year
DOI
Venue
2020
10.1109/TVT.2019.2940033
IEEE Transactions on Vehicular Technology
Keywords
Field
DocType
Battery aging management,electric vehicle,optimization
Computer science,Electronic engineering,Battery (electricity),Electrical engineering
Journal
Volume
Issue
ISSN
69
1
0018-9545
Citations 
PageRank 
References 
1
0.36
0
Authors
2
Name
Order
Citations
PageRank
Matteo Corno121036.16
Gabriele Pozzato213.06