Online Prediction of Electric Vehicle Battery Failure Using LSTM Network

Author:

Li Xuemei1,Chang Hao21,Wei Ruichao2,Huang Shenshi3,Chen Shaozhang1,He Zhiwei21,Ouyang Dongxu4ORCID

Affiliation:

1. School of Mechanic and Electronic Engineering, Guilin University of Electronic Technology, Guilin 541000, China

2. School of Automobile and Transportation, Shenzhen Polytechnic, Shenzhen 518000, China

3. School of Architectural Engineering, Shenzhen Polytechnic, Shenzhen 518055, China

4. College of Safety Science and Engineering, Nanjing Tech University, Nanjing 211816, China

Abstract

The electric vehicle industry is developing rapidly as part of the global energy structure transformation, which has increased the importance of overcoming power battery safety issues. In this paper, first, we study the relationship between different types of vehicle faults and battery data based on the actual vehicle operation data in the big data supervisory platform of new energy vehicles. Second, we propose a method to realize the online prediction of electric vehicle battery faults, based on a Long Short-Term Memory (LSTM). Third, we carry out prediction research for two kinds of faults: low State of Charge (SOC) alarm and insulation alarm. Last, we show via experimental results that the model based on the LSTM network can effectively predict battery faults with an accuracy of more than 85%. Through this research, it is possible to complete online pre-processing of vehicle operation data and fault prediction of power batteries, improve vehicle monitoring capabilities and ensure the safety of electric vehicle use.

Funder

National Natural Science Foundation of China

Scientific Research Startup Fund for Shenzhen High-Caliber Personnel of SZPT

Special Project in the Key Areas of General Universities in Guangdong Province

Postdoctoral Later-stage Foundation Project of Shenzhen Polytechnic

Publisher

MDPI AG

Subject

Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous),Building and Construction

Reference30 articles.

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5. Liwicki, M., Graves, A., Fernandez, S., Bunke, H., and Schmidhuber, J. (2007, January 23–26). A novel approach to on-line handwriting recognition based on bidirectional long short-term memory networks. Proceedings of the 9th International Conference on Document Analysis and Recognition, ICDAR 2007, Curitiba, Brazil.

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