Title: MHz High-frequency Wireless Power Transfer: Design Framework and New Advancements

Chengbin Ma Shanghai Jiao Tong University, China

Abstract:

This tutorial shares our findings over the past decade in the design, management, and implementation of high-frequency wireless power transfer operating at several megahertz (e.g., 6.78 MHz and 13.56 MHz). This higher operating frequency enables an upgrade from the existing inductive WPT technologies, which operate at tens or hundreds of kilohertz (i.e., low-frequency WPT), promising for enabling a high spatial freedom power transfer to a variety of electronic devices. The research of high-frequency is particularly challenging due to obvious parasitics of devices at high frequencies, potential high losses, electromagnetic interference problems, and robustness against varying operation conditions. We have developed an interdisciplinary framework to achieve high-efficiency, low-noise and robust power transfer from a system-level perspective, and pioneered its applications to loading analysis and control, low-noise rectification, more transmitter–receiver configurations, explicit impedance matching network design, and 3D magnetic field shaping, etc. Finally, ongoing directions driven by emerging applications are mentioned that may inspire new architectures, designs and management/control schemes.


Brief Bio:

Chengbin Ma received the B.S. degree in industrial automation from the East China University of Science and Technology, Shanghai, China, in 1997, and the M.S. and Ph.D. degrees in electrical engineering from The University of Tokyo, Tokyo, Japan, in 2001 and 2004, respectively. From 2004 to 2006, he was an R&D Researcher with the Servo Motor Laboratory, FANUC Limited, Yamanashi, Japan. Between 2006 and 2008, he was a Postdoctoral Researcher with the Department of Mechanical and Aeronautical Engineering, University of California, Davis, USA. In 2008, he joined the University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai, where he is currently a Professor of electrical and computer engineering. His research interests include battery and energy management, wireless power transfer, dynamics and motion control, and a wide range of applications in electronic devices, electric vehicles, microgrids, smart grids, etc (Web: https://sites.google.com/view/chbma17/home).Dr. Ma was the recipient of many teaching and research awards at Shanghai Jiao Tong University, such as Koguan Top Ten Best Teacher Award in 2017 and Koguan Top Ten Research Group Award in 2014, and the recipient of Research Excellence Award from AirFuel Alliance, USA, in 2019 and Science and Technology Progress Award, China Power Supply Society, in 2024, etc. He is an IEEE Fellow and Associated Editor for the IEEE Transactions on Industrial Informatics (2016-2022) and IEEE Journal of Emerging and Selected Topics in Industrial Electronics. He served as Delegate of Energy Cluster (2019-2020), and is currently Delegate of Cross-disciplinary Cluster (2024-2025), IEEE Industrial Electronics Society.