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Early prediction of battery remaining useful life using CNN-XGBoost model and Coati optimization algorithm
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Early-prediction-of-battery-remaining-useful-life-using-C_2024_Journal-of-En.pdf
Date
2024-09-20
Author
Safavi, Vahid
Mohammadi Vaniar, Arash
Bazmohammadi, Najmeh
Vasquez, Juan C.
Keysan, Ozan
Guerrero, Josep M.
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Lithium-ion (Li-ion) batteries are essential for modern power systems but suffer from performance degradation over time. Accurate prediction of the remaining useful life (RUL) of these batteries is critical for ensuring the reliability and efficient operation of the power grid. On this basis, this paper presents a novel Coati-integrated Convolutional Neural Network (CNN)-XGBoost approach for the early RUL prediction of Li-ion batteries. This method incorporates CNN architecture to automatically extract features from the discharge capacity data of the battery via image processing techniques. The extracted features from the CNN model are concatenated with another set of features extracted from the first 100 cycles of measured battery data based on the charging policy information of the battery. This combined set of features is then fed into an XGBoost model to make the early RUL prediction. Additionally, the Coati Optimization Method (COM) is utilized for CNN hyperparameter tuning, to improve the performance of the proposed RUL prediction method. Numerical results reveal the effectiveness of the proposed approach in predicting the RUL of Li-ion batteries, where values of 106 cycles and 7.5% have been obtained for the RMSE and MAPE, respectively.
Subject Keywords
CNN
,
Coati Optimization
,
Early remaining useful life prediction
,
Lithium-ion batteries
,
Machine learning
,
XGBoost
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85200154915&origin=inward
https://hdl.handle.net/11511/110760
Journal
Journal of Energy Storage
DOI
https://doi.org/10.1016/j.est.2024.113176
Collections
Department of Electrical and Electronics Engineering, Article
Citation Formats
IEEE
ACM
APA
CHICAGO
MLA
BibTeX
V. Safavi, A. Mohammadi Vaniar, N. Bazmohammadi, J. C. Vasquez, O. Keysan, and J. M. Guerrero, “Early prediction of battery remaining useful life using CNN-XGBoost model and Coati optimization algorithm,”
Journal of Energy Storage
, vol. 98, pp. 0–0, 2024, Accessed: 00, 2024. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85200154915&origin=inward.