Results 1 to 10 of about 8,676 (194)

Maximizing wireless power transfer efficiency at exceptional points [PDF]

Communications Engineering
Magnetically coupled wireless power transfer (WPT) technology has been applied in stationary consumer electronics and holds great potential for charging traveling electric vehicles.
Wei-Kang Hu, Bowang Zhang, Youhao Hu, Haoxiang Li, Wei Han   +4 more
doaj   +2 more sources

Arrangement Free Wireless Power Transfer via Strongly Coupled Electrical Resonances [PDF]

Advanced Science
Research on magnetically resonant wireless power transfer (MRWPT) is actively pursued for diverse applications. Dependent on magnetic fields for wireless power transfer (WPT), MRWPT encounters a challenge due to the absence of monopole magnetic ...
Bonyoung Lee, Jungho Kim, Hyunkyeong Jo, Hyungki Min, Franklin Bien   +4 more
doaj   +2 more sources

Analysis and Experiment on Multi-Antenna-to-Multi-Antenna RF Wireless Power Transfer

IEEE Access, 2021
In this paper, we provide a tool for predicting the power transfer efficiency of radio-frequency (RF) wireless power transfer (WPT). With its capability of long-range wireless power transfer, RF WPT is considered as a very promising recharging technique ...
Je Hyeon Park, Dong In Kim, Kae Won Choi
doaj   +1 more source

System and methods for wireless power transfer scheduling in a wireless power transfer network

Array, 2022
A transmitter in a wireless power transfer network (WPTN) needs to deliver wireless power to a number of wireless power receiver. There can be diverse set of wireless power receivers, for example, Internet of Things devices, smart phones, laptops, etc ...
Muhammad Omer Farooq
doaj   +1 more source

Critical Review of Recent Advancement in Metamaterial Design for Wireless Power Transfer

IEEE Access, 2022
With increasing penetration of wireless charging technologies comes an ever-rising demand for wireless power transfer (WPT) structures that demonstrate high power transfer and power transfer efficiency (PTE), especially over wide transfer distance.
Webster Adepoju, Indranil Bhattacharya, Mary Sanyaolu, Muhammad Enagi Bima, Trapa Banik, Ebrahim N. Esfahani, Olatunji Abiodun   +6 more
doaj   +1 more source

Parity–Time Symmetric Model and Analysis for Stable Multi-Load Wireless Power Transfer

World Electric Vehicle Journal, 2021
A noticeable challenge for a multi-load wireless power transfer system is to achieve stable power transfer under a dynamic change in coupling conditions.
Zhenghao Zhu, Huan Yuan, Renjie Zhang, Aijun Yang, Xiaohua Wang, Mingzhe Rong   +5 more
doaj   +1 more source

Signal and System Design for Wireless Power Transfer : Prototype, Experiment and Validation [PDF]

, 2020
A new line of research on communications and signals design for Wireless Power Transfer (WPT) has recently emerged in the communication literature. Promising signal strategies to maximize the power transfer efficiency of WPT rely on (energy) beamforming,
Clerckx, Bruno, Kim, Junghoon, Mitcheson, Paul D.   +2 more
core   +2 more sources

Asynchronous Focusing Time Reversal Wireless Power Transfer for Multi-Users With Equal Received Power Assignment

IEEE Access, 2021
Time reversal wireless power transfer (TR-WPT) provides an efficient radiated method for wirelessly transferring power to multiple users at a middle distance in complicated multipath environments.
Zhouming Yang, Deshuang Zhao, Jinlong Bao, Xin Ma, Lin Hu, Weiping Cao, Bing-Zhong Wang   +6 more
doaj   +1 more source

Maximizing Transfer Efficiency with an Adaptive Wireless Power Transfer System for Variable Load Applications

Energies, 2021
Electronic devices usually operate in a variable loading condition and the power transfer efficiency of the accompanying wireless power transfer (WPT) method should be optimizable to a variable load.
Jung-Hoon Cho, Byoung-Hee Lee, Young-Joon Kim   +2 more
doaj   +1 more source

Design and Performance Analysis of a Repeater-Assisted Multireceiver Wireless Power Transfer System Operating at MHz Frequencies

IEEE Open Journal of the Industrial Electronics Society, 2023
Simultaneous wireless power transfer (WPT) to multiple receivers (Rxs) is an important requirement for wireless charging of consumer electronic devices. In this article, we propose a WPT coil structure capable of achieving independent multi-Rx WPT with a
Yining Liu, Nam Ha-Van, Prasad Jayathurathnage, Jorma Kyyra, Sergei A. Tretyakov   +4 more
doaj   +1 more source