| Issue |
E3S Web Conf.
Volume 645, 2025
The 1st International Conference on Green Engineering for Sustainable Future (ICoGESF 2025)
|
|
|---|---|---|
| Article Number | 03001 | |
| Number of page(s) | 7 | |
| Section | Renewable Energy and Energy Efficiency | |
| DOI | https://doi.org/10.1051/e3sconf/202564503001 | |
| Published online | 28 August 2025 | |
Bidirectional Converter Optimal Control for Battery Charge/Discharge System
1 Department of Electrical Engineering, Faculty of Engineering, 60231, Universitas Negeri Surabaya, Surabaya, Indonesia
2 Department of Electrical Engineering, Faculty of Engineering, 60113, Universitas Muhammadiyah Surabaya, Surabaya, Indonesia
3 Department of Mechanical Engineering, Faculty of Engineering, 60231, Universitas Negeri Surabaya, Surabaya, Indonesia
4 Department of Electrical and Computer Engineering, King Abdulaziz University, Jeddah, Saudi Arabia
* Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract
The bidirectional converter is essential to battery charge/discharge system. However, stabilizing output voltage and current of this converter is a complex task due to nonlinear system behaviour, changing load demands, and the battery’s dynamic characteristics. This paper proposes an optimal control method for a bidirectional converter employed in battery charge/discharge system. The control method utilizes a proportional-integral (PI) scheme, in which the parameters are fine-tuned using the sequential quadratic programming (SQP). The proposed method is simulated and validated using MATLAB/Simulink. Simulation results show that the SQP-tuned PI method greatly enhances the control accuracy and stability, compared to classical fixed-gain PI controllers. The combination of classical control with modern optimization reveals a promising method to enhance energy management in DC microgrid and energy storage applications.
© The Authors, published by EDP Sciences, 2025
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