HyBaTwin: Web-Based Hybrid Digital Twin Platform for Electric Vehicle Battery Capacity Estimation 


Vol. 50,  No. 4, pp. 549-560, Apr.  2025
10.7840/kics.2025.50.4.549


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  Abstract

This study presents early results of a web-based digital twin (DT) for battery management systems (BMS). The proposed DT explores a hybrid of model-based and data-driven approaches, enabling the exploitation of each approach’s distinctive merits and constraints. Experiments employing explainable artificial intelligence (XAI) techniques were undertaken to select the most trustworthy and explainable approach to be deployed to a web server. First, a model-based DT was developed using physics based modelling and AI to achieve the hybrid model. Next, four models, including a deep neural network, a long-short-term memory network, a graph neural network (GNN), and a transformer neural network (TNN) model, were independently trained to minimize the residual between the actual battery data and the prediction of the model-based DT. All hybrid DT models were assessed based on mean squared error, latency, and prediction confidence. With the best confidence score of 98.255% and lowest latency of 0.079, the hybrid GNN DT model emerged as the best, demonstrating the viability of the proposed explainable hybrid approach in approximating actual battery behavior and the utility of a web-based DT.

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[IEEE Style]

J. N. Njoku, A. U. Eneh, C. I. Nwakanma, J. Lee, D. Kim, "HyBaTwin: Web-Based Hybrid Digital Twin Platform for Electric Vehicle Battery Capacity Estimation," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 4, pp. 549-560, 2025. DOI: 10.7840/kics.2025.50.4.549.

[ACM Style]

Judith Nkechinyere Njoku, Anthony Uchenna Eneh, Cosmas Ifeanyi Nwakanma, Jae-Min Lee, and Dong-Seong Kim. 2025. HyBaTwin: Web-Based Hybrid Digital Twin Platform for Electric Vehicle Battery Capacity Estimation. The Journal of Korean Institute of Communications and Information Sciences, 50, 4, (2025), 549-560. DOI: 10.7840/kics.2025.50.4.549.

[KICS Style]

Judith Nkechinyere Njoku, Anthony Uchenna Eneh, Cosmas Ifeanyi Nwakanma, Jae-Min Lee, Dong-Seong Kim, "HyBaTwin: Web-Based Hybrid Digital Twin Platform for Electric Vehicle Battery Capacity Estimation," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 4, pp. 549-560, 4. 2025. (https://doi.org/10.7840/kics.2025.50.4.549)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880