Dual-Controlled Buck Converter for Efficient Electric Vehicle Battery Charging Using Enhanced PI and Fuzzy Logic Control

Paper ID: EIJTEM_2025_12_4_81-87

Author's Name: Puli Soniya, P. Sangeetha

Volume: 12

Issue: 4

Year: 2025

Page No: 81-87

Abstract:

To improve performance, safety, and battery longevity, smart and efficient battery charging solutions are required to meet the demands of the rapidly expanding electric vehicle (EV) market. In order to control the charging process for electric vehicles (EVs), this study introduces a battery charging controller that uses a fuzzy logic control (FLC) system and is based on a buck converter. To dynamically adapt to changing battery conditions, the suggested solution uses the Buck converter's simplicity and efficiency to step down the voltage to a safe and ideal level for lithium-ion battery packs. Inputs like battery temperature and state of charge (SOC) inform the fuzzy logic controller's design for managing charging voltage and current. The FLC system offers smoother control with better reaction time, in contrast to traditional PID controllers, by successfully handling non-linearities and uncertainties. The suggested FLC-based charging method improves charging efficiency, guarantees stable operation, and reduces the danger of battery overcharging or overheating, according to the simulation findings. With its potential to enhance power quality, energy management, and battery life, this smart charging system has great promise for smart electric vehicle charging infrastructures.

Keywords: Pulse width modulation, electric vehicles, battery charging controllers, proportional integration.

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