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August 16, 2026International Journal of Circuit Theory and Applications

Multi‐Objective Optimization of the Composite Shielding Layer for EV Wireless Charging Magnetic Couplers Using NSGA‐II

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Authors

FLFeiyang LeiZWZhihao WeiEMEntong Man

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Overview

Experimental simulation study demonstrates improved power efficiency and reduced weight in wireless charging couplers, indicating a practical design for electric vehicle systems.

Key Points

  • To design and optimize a lightweight, crack-resistant composite magnetic shielding layer that minimizes power loss and prevents magnetic saturation in electric vehicle wireless charging couplers.
  • Designed a checkerboard-structured composite shielding layer using flexible ferrite sheets combined with nanocrystalline ribbons.
  • Applied the Non-dominated Sorting Genetic Algorithm II (NSGA-II) to optimize the shape and thickness parameters of the shielding structure.
  • Evaluated performance using electromagnetic simulations and experimental hardware validation under a 3.3 kW, 330 V constant-voltage operating condition.
  • Achieved a DC–DC power transmission efficiency of 91.29% at an output power of 3.3 kW.
  • Reached a maximum efficiency of 91.49% under 330 V constant-voltage output, representing a 1.27% improvement over traditional ferrite shields.
  • Reduced the magnetic shielding layer volume by 18.7% and total weight by 18.3% compared to conventional designs.

Cite This Study

Lei et al. (2026) studied this question.

synapsesocial.com/papers/6a8179eff2fb91fc834ad598https://doi.org/10.1002/cta.70605
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Design and Optimization of a Radial Magnetic Flux Array‐Type Wireless Charging Coupler2026
  2. 2Smart design for next-gen wireless EV charging2026
  3. 3Research on Active‐Shielded Single‐Sided Magnetic Core Structure for Wireless Power Transfer Systems in Electric Vehicles2025
  4. 4Enhancing electric vehicle charging performance through series-series topology resonance-coupled wireless power transfer2024 · 7 citations
  5. 5Multi-Objective Optimization of Aluminum Plate Passive Shielding Structure for EV-WPT Systems Based on Grey Wolf Optimization Algorithm2025