Designing a Combination Model of Charger and Battery for Small Electric Vehicles
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- Publication code
- 20264369
- Paper/Info type
- International Journal of Automotive Engineering
Vol.17 No.2
- Pages
- 52-60(Total 9 p)
- Date of publication
- Apr 2026
- Publisher
- JSAE
- Language
- English
Detailed Information
| Category(E) | Research paper |
|---|---|
| Author(E) | 1) Thanh Phuc Le, 2) Trung Hieu Nguyen |
| Affiliation(E) | 1) Ho Chi Minh City University of Technology and Engineering, 2) Ho Chi Minh City University of Technology and Engineering |
| Abstract(E) | In developing countries, small electric vehicles (SEVs) offer a promising solution for crowded cities by helping to solve traffic problems. One of the most critical challenges in the deployment of SEVs is the charging infrastructure, which involves both topology and technology considerations. This paper presents a model of an onboard charger that integrates a DC/DC converter with a battery system for SEVs. The proposed model focuses on low-cost implementation. Flyback converters, commonly used in household appliances, are selected for the DC/DC conversion stage. The battery pack consists of 60 lithium-ion cells connected in series. An analysis model is developed by combining the flyback converter model with a first-order Thevenin equivalent battery model. Experimental hardware was assembled to obtain parameter values for the analysis model. Additionally, a neural network model was trained using a dataset generated from the analysis model. The outputs of both models - charging current and output voltage - were compared. The results demonstrate that the neural network model accurately represents the charging current and output voltage under varying duty cycles, source voltages, and battery open-circuit voltages. |
