BIG DATA DRIVEN LITHIUM-ION BATTERY MODELING METHOD: A DEEP TRANSFER LEARNING APPROACH

Shuangqi Li, Hongwen He*, Jianwei Li

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Battery is the bottleneck technology of electric vehicles (EVs), which has complex and hardly observable inside chemical reactions. To reduce the training data volume requirement in artificial intelligent algorithm based battery model, this paper presents a deep transfer learning algorithm based battery modeling method. The Deep Belief Network-Extreme Learning Machine (DBN-ELM) algorithm is used for battery modeling issue in this paper to excavate the hidden features in battery data set and improve the accuracy and stability. The results show that the proposed transfer learning algorithm based battery modeling method is able to achieve a highly accurate simulation for battery dynamic characteristics under an insufficient data set, and the mean absolute percentage error of the established model is within 3%.

Original languageEnglish
JournalEnergy Proceedings
Volume3
DOIs
Publication statusPublished - 2019
Event11th International Conference on Applied Energy, ICAE 2019 - Västerås, Sweden
Duration: 12 Aug 201915 Aug 2019

Keywords

  • deep learning
  • electric vehicle
  • lithium-ion battery
  • modeling
  • transfer learning

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