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AI-Empowered Wireless Power Transfer Technology and Electromagnetic Metamaterials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 616

Special Issue Editors


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Guest Editor
Department of Electrical Engineering, Qingdao University, Qingdao 266000, China
Interests: wireless power transfer technologies; electromagnetic and thermal field simulation of inductor devices; small- and medium-sized photovoltaic converters

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Guest Editor
School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221008, China
Interests: wireless power transfer; low-frequency metamaterial
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Interests: high-efficiency/high-power density power converters; wireless power transfer system; MHz power supply module with wide bandgap devices; power supply for aeronautics; astronautics applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

AI-empowered wireless power transfer (WPT) technology is emerging as a pivotal area of research, driven by its potential to revolutionize the wireless industry. As the demand for convenient, reliable, and safe wireless power transfer continues to grow, WPT systems have garnered significant attention. However, despite the numerous advantages of WPT technology, challenges such as decreasing transfer efficiency with increasing distance and the inevitable generation of large electromagnetic fields (EMFs) in charging systems remain unresolved. Metamaterials, engineered composite materials or structures, have emerged as innovative solutions to address these limitations. Recent advancements in WPT systems have demonstrated their effectiveness in enhancing transfer efficiency and mitigating EMF-induced electromagnetic compatibility issues.

This Special Issue aims to explore innovative applications of AI in WPT systems, including electromagnetic compatibility in metamaterial-based WPT systems, the use of AI in optimizing the performance of metamaterial-based wireless power transfer systems, theoretical studies on metamaterial-based WPT systems, magnetic-inductive and resonant wave phenomena in WPT systems via metamaterials, programmable metamaterials and metasurfaces for WPT systems, and smart wireless power transfer (SWIPT) technologies based on information metamaterials and metasurfaces. By fostering interdisciplinary collaboration and knowledge sharing, this initiative seeks to drive the development and implementation of groundbreaking AI-driven WPT technologies.

Prof. Dr. Chunfang Wang
Dr. Cancan Rong
Prof. Dr. Hongbo Ma
Guest Editors

Manuscript Submission Information

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Keywords

  • wireless power transfer
  • energy efficiency
  • metasurfaces and metamaterials
  • artificial intelligence
  • Internet of Things
  • EM wave manipulation
  • electromagnetic compatibility
  • flexible wireless energy harvesting

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Published Papers (1 paper)

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Research

14 pages, 6264 KB  
Article
A Wireless Power Transfer System for Unmanned Aerial Vehicles with CC/CV Charging Based on Topology Switching
by Jin Chang, Weizhe Cai, Haoyang Wang, Yingzhou Guo, Junhao Wu, Cancan Rong and Chenyang Xia
Appl. Sci. 2025, 15(22), 11932; https://doi.org/10.3390/app152211932 - 10 Nov 2025
Viewed by 282
Abstract
To enhance the battery endurance of unmanned aerial vehicles (UAVs), this article addresses key issues in traditional wireless power transfer (WPT) systems. These issues occur during constant current/constant voltage (CC/CV) switching, such as poor stability, high payload, power loss, and charging instability. Accordingly, [...] Read more.
To enhance the battery endurance of unmanned aerial vehicles (UAVs), this article addresses key issues in traditional wireless power transfer (WPT) systems. These issues occur during constant current/constant voltage (CC/CV) switching, such as poor stability, high payload, power loss, and charging instability. Accordingly, a WPT system based on topology switching is proposed. First, a lightweight compensation topology based on LCC-Series compensated topology (LCC-S) is designed. A tuning capacitor is incorporated, and two switches regulate the switching of the compensation capacitor to realize CC/CV mode transition. Meanwhile, the impedance matrix model is built to find optimal compensation component values, maximizing energy transfer. To reduce sensitivity to misalignment, a “+” shaped compensation coil is added to the basic 2 × 2 square coil array. It improves magnetic field uniformity and suppresses flux leakage. Experimental results show that the system achieves stable load-independent output. Within horizontal offset [−150, 150] mm and diagonal offset [−150√2, 150√2] mm, it keeps output power over 150 W and efficiency over 70%, with strong anti-misalignment ability. This system effectively solves key challenges such as endurance bottlenecks, complex CC/CV switching, and weak anti-misalignment. It offers a reliable technical solution for efficient charging of autonomous UAVs. Full article
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