Optimization Design of Shielding Structure for EV-WPT System Based on Whale Optimization Algorithm
Frontiers in Science and Engineering, (2025), Vol.5, No.8, pp.6-11
Published: August 19, 2025
DOI: 10.54691/y4j4k452
Abstract
Wireless power transfer (WPT) is a promising charging technology for electric vehicles (EVs). However, electromagnetic exposure and leakage fields raise safety and efficiency concerns. This paper establishes an EV-WPT system model and applies ferrite-based magnetic shielding to reduce leakage fields. A Grey Wolf Optimization (GWO) algorithm is introduced to optimize ferrite design parameters. Simulation results show that ferrite shielding reduces magnetic induction intensity by 27% and improves transmission efficiency from 91.3% to 93.5%, confirming the effectiveness of the proposed optimization approach.
Keywords:
Wireless power transfer; Electromagnetic shielding; Grey Wolf Optimization.
APA Citation:
Enning Guo, Le Gao, Renjie You (2025). Optimization Design of Shielding Structure for EV-WPT System Based on Whale Optimization Algorithm. Frontiers in Science and Engineering, 5(8), 6-11. https://doi.org/10.54691/y4j4k452
References
- International Commission on Non-Ionizing Radiation Protection. Guidelines for limiting exposure to time-varying electric and magnetic fields (1 Hz to 100 kHz)[J]. Health physics, 2010, 99(6): 818-836.
- Kim H, Song C, Kim J. Coil design for high efficiency and low magnetic field leakage of wireless charging system for electric vehicle[C]//2015 IEEE wireless power transfer conference (WPTC). IEEE, 2015: 1-3.
- Olukotun B, Partridge J S, Bucknall R W G. Loss performance evaluation of ferrite-cored wireless power system with conductive and magnetic shields[C]//2019 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe). IEEE, 2019: 1-5.
- Bibirica C, Cristian S, Ene L, et al. Using WEBENCH Coil Designer for wireless power transfer coil generation[C]//2017 10th International Symposium on Advanced Topics in Electrical Engineering (ATEE). IEEE, 2017: 373-377.
- Choi S Y, Gu B W, Lee S W, et al. Generalized active EMF cancel methods for wireless electric vehicles[J]. IEEE Transactions on Power Electronics, 2013, 29(11): 5770-5783.