A wireless power transfer system for electrical vehicles exploiting magnetically coupled resonance and a tapped capacitance impedance transformer [PDF]
, 2014 The input impedance of a wireless power transfer system is heavily influenced by variation of the load impedance, distance between coils and presence of any massive conducting or shielding structures that may exist around the system.
Mihai D. Rotaru +5 more
core +2 more sources
Journal of Information and Intelligence, 2023 This paper proposes a new method to generate a two-dimensional (2D) Airy beam and Airy autofocusing beam by using the scalar holographic metasurface with amplitude-phase modulation in the microwave band.
Song Zhang +6 more
doaj +1 more source
Noise Suppression and Precise Phase Control of a Commercial S-Band Magnetron
IEEE Access, 2020 We demonstrate noise suppression and precise phase control of a commercial 2.45GHz magnetron aiming for wireless power transfer application. The impurity of the microwave spectrum was confirmed to be due to the switching frequency of 76kHz in the power ...
Seong-Tae Han +3 more
doaj +1 more source
Modelling of Wireless Power Transfer [PDF]
, 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
Energy pattern aided simultaneous wireless information and power transfer [PDF]
, 2015 In echoing Varshney's seminal concept of jointly transmitting information and energy, we propose the concept of an energy pattern aided Simultaneous Wireless Information and Power Transfer (SWIPT) system, where in addition to power transfer, information ...
Yang, Lie-Liang +2 more
core +1 more source
Wireless Power Transfer System Based on Strapping Resonators
Applied Sciences, 2018 In this study, a kind of strapped resonator is proposed to deal with high power wireless power transfer (WPT) in microwave regimes. In many specific applications, such as high power microwave wireless power transfer system (WPT), a coil resonator is not ...
Fei-Fei Guo, Shuai Ding, Bing-Zhong Wang
doaj +1 more source
Design and implementation of a near-field focused metasurface for microwave power transmission
Results in Physics, 2023 In this paper, a near-field focused (NFF) metasurface composed of sub-wavelength structures for microwave power transmission is designed and implemented.
Han Xiong +5 more
doaj +1 more source
Electronic tuning of misaligned coils in wireless power transfer systems [PDF]
, 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
Wireless information and power transfer: from scientific hypothesis to engineering practice [PDF]
, 2015 Recently, there has been substantial research interest in the subject of Simultaneous Wireless Information andPower Transfer (SWIPT) owing to its cross-disciplinary appeal and its wide-ranging application potential, whichmotivates this overview.
Zhang, Rong +2 more
core +1 more source
A Wearable Button Antenna Sensor for Dual-Mode Wireless Information and Power Transfer
Sensors, 2021 A novel wearable button antenna sensor is proposed for the concept of simultaneous wireless information and power transfer (SWIPT). This integrates two working modes for the transfer of power and information, respectively, and optimizes transfer ...
Jiahao Zhang +4 more
doaj +1 more source