Enhancing prediction accuracy of Remaining Useful Life in lithium-ion batteries: A deep learning approach with Bat optimizer
- Publisher:
- Elsevier
- Publication Type:
- Journal Article
- Citation:
- Future Batteries, 2024, 2, pp. 100003
- Issue Date:
- 2024-06
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Remaining Useful Life (RUL) prediction in lithium-ion batteries is crucial for assessing battery performance. Despite the popularity of deep learning methods for RUL prediction, their complex architectures often pose challenges in interpretation and resource consumption. We propose a novel approach that combines the interpretability of a convolutional neural network (CNN) with the efficiency of a bat-based optimizer. CNN extracts battery data features and characterizes degradation kinetics, while the optimizer refines CNN parameters. Tested on NASA PCoE data, our method achieves exceptional results with minimal computational burden and fewer parameters. It outperforms traditional approaches, yielding an R2-score of 0.9987120, an MAE of 0.004397067 Ah, and a low RMSE of 0.00656 Ah. The proposed model outperforms traditional deep learning models, as confirmed by comparative analysis.
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