Results 31 to 40 of about 7,076,846 (209)

RF Energy Harvesting and Wireless Power Transfer for Energy Autonomous Wireless Devices and RFIDs

open access: yesIEEE Journal of Microwaves, 2023
Radio frequency (RF) energy harvesting and wireless power transmission (WPT) technologies —both near-field and far-field—have attracted significant interest for wireless applications and RFID systems.
Kyriaki Niotaki   +25 more
doaj   +1 more source

Implementation of a Dual Wireless Power Transfer and Rotation Monitoring System for Prosthetic Hands

open access: yesIEEE Access, 2019
This article presents the design, manufacture and test of an inductively coupled wireless power transfer (WPT) system used as a power source for prosthetic hands.
Sadeque Reza Khan, Marc P. Y. Desmulliez
doaj   +1 more source

Self-Tuning Multi-Transmitter Wireless Power Transfer to Freely Positioned Receivers

open access: yesIEEE Access, 2020
Free positioning of receivers is one of the key requirements for many wireless power transfer (WPT) applications, necessary from the end-user point of view.
Xiaojie Dang   +3 more
doaj   +1 more source

A Framework for Code Division Multiple Access Wireless Power Transfer

open access: yesIEEE Access, 2021
The availability of energy is one of the major hindrances to unlocking the massive potential of electronic devices. Powering a highly connected network of devices requires multiple access and a wireless power transfer (WPT) solution that is scalable and ...
Akshay Sarin, Al-Thaddeus Avestruz
doaj   +1 more source

Safety of Wireless Power Transfer

open access: yesIEEE Access, 2021
Wireless power transfer (WPT) systems are developed to provide electric power either directly or via battery charging. The optimism on WPT technology is driven by the ubiquity of cellphones, laptops, and mobile communication devices.
James C. Lin
doaj   +1 more source

A New Receiver Detection and Fast System Activation Method for Wireless Power Transfer

open access: yes, 2023
Publisher Copyright: © 2023 IEEE.Fast automatic identification of the presence of a WPT receiver is critically important for the future deployment of dynamic wireless power transfer devices of high efficiency and low cost.
Liu, Yining   +4 more
core   +1 more source

Modelling of Wireless Power Transfer [PDF]

open access: yes, 2021
Wireless power transfer allows the transfer of energy from a transmitter to a receiver across an air gap, without any electrical connections. Technically, any device that needs power can become an application for wireless power transmission.

core   +1 more source

Electronic tuning of misaligned coils in wireless power transfer systems [PDF]

open access: yes, 2014
The misalignment and displacement of inductively coupled coils in a wireless power transfer system (WPT) can degrade the power efficiency and limit the amount of power that can be transferred.
Whidborne, James F.   +2 more
core   +1 more source

Design and Realization of a Multiple Access Wireless Power Transfer System for Optimal Power Line Communication Data Transfer

open access: yesEnergies, 2019
In this contribution, the authors evaluate the possibility of using separated access points for power and data transfer in a coupled Wireless Power Transfer-Powerline Communication system.
Sami Barmada   +4 more
doaj   +1 more source

Efficient Multi-Hop Wireless Power Transfer for the Indoor Environment

open access: yesSensors, 2023
With the rapid development of the Internet of Things (IoT) and wireless sensor networks (WSN), the modern world requires advanced solutions for the wireless powering of low-power autonomous devices. The present study addresses the wireless power transfer
Janis Eidaks   +5 more
doaj   +1 more source

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