Performance Evaluation of Machine Learning and Deep Learning-Based Models for Predicting Remaining Capacity of Lithium-Ion Batteries

被引:2
|
作者
Lee, Sang-Hyun [1 ]
机构
[1] Honam Univ, Dept Comp Engn, Gwangju 62399, South Korea
来源
APPLIED SCIENCES-BASEL | 2023年 / 13卷 / 16期
基金
新加坡国家研究基金会;
关键词
lithium-ion battery; ensemble model; neural network model; random forest model; decision tree model; linear regression model; remaining capacity;
D O I
10.3390/app13169127
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Lithium-ion batteries are widely used in electric vehicles, smartphones, and energy storage devices due to their high power and light weight. The goal of this study is to predict the remaining capacity of a lithium-ion battery and evaluate its performance through three machine learning models: linear regression, decision tree, and random forest, and two deep learning models: neural network and ensemble model. Mean squared error (MSE), mean absolute error (MAE), coefficient of determination (R-squared), and root mean squared error (RMSE) were used to measure prediction accuracy. For the evaluation of the artificial intelligence model, the dataset was downloaded and integrated with measurement data of the CS2 lithium-ion battery provided by the University of Maryland College of Engineering. As a result of the study, the RMSE of the linear regression model was 0.045, the decision tree model was 0.038, the random forest model was 0.034, the neural network model was 0.032, and the ensemble model was 0.030. According to the measured values, the ensemble model showed the best predictive performance, followed by the neural network model. Decision tree and random forest models also showed very good performance, and the linear regression model showed relatively poor predictive performance compared to the other models.
引用
收藏
页数:11
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