Results 41 to 50 of about 241,456 (282)
Control-oriented closed-loop identification and input design in a wireless power transfer system
Wireless Power TransferThis study proposes a closed-loop identification scheme for a wireless power transfer (WPT) system that estimates the actual system model and uses it to design and update the controller.
Shuaiqi Li +3 more
doaj +1 more source
Spatial Throughput Maximization of Wireless Powered Communication Networks
, 2015 Wireless charging is a promising way to power wireless nodes' transmissions. This paper considers new dual-function access points (APs) which are able to support the energy/information transmission to/from wireless nodes.
Che, Yue Ling, Duan, Lingjie, Zhang, Rui
core +1 more source
Large microwave generation from d.c. driven magnetic vortex oscillators in magnetic tunnel junctions [PDF]
, 1999 Spin polarized current can excite the magnetization of a ferromagnet through the transfer of spin angular momentum to the local spin system. This pure spin-related transport phenomena leads to alluring possibilities for the achievement of a nanometer ...
Dussaux, A. +12 more
core +4 more sources
Advanced Functional Materials, EarlyView.Polymorph engineering in ErMnO3 enables low‐voltage, forming‐free threshold switching with tunable negative differential resistance. Conducting orthorhombic regions embedded in an insulating hexagonal matrix provide controlled Joule‐heating‐enhanced Poole–Frenkel transport. The hexagonal phase prevents excessive heating and breakdown.
Rong Wu +8 more
wiley +1 more source
Wireless Power TransferThis paper presents a 6.78 MHz wireless power transfer (WPT) system designed to provide load-independent constant voltage output, making it ideal for applications such as unmanned aerial vehicle (UAV) charging.
Yongquan Wu +5 more
doaj +1 more source
A Three-Coil Constant Output Wireless Power Transfer System Based on Parity–Time Symmetry Theory
Applied Sciences, 2023 In a three-coil wireless power transfer system with relay coils, the transmission efficiency and output power of the system decreases with changes in the adjacent coupling coefficients.
Yuntao Yue, Jiahui Yang, Ruofan Li
doaj +1 more source
RF Wireless Power Transfer: Regreening Future Networks
, 2018 Green radio communication is an emerging topic since the overall footprint of information and communication technology (ICT) services is predicted to triple between 2007 and 2020.
Kaddoum, Georges, Tran, Ha-Vu
core +1 more source
Advanced Functional Materials, EarlyView.Atomically engineered layered 2D Ti3CNTz carbonitride MXene exhibits ultrahigh heat and pressure sensitivity, enabling dual‐mode sensors with 300%–400% performance enhancement and durability for real‐time health‐monitoring interface devices. Precise nitrogen incorporation (e.g., Ti3C1.8N0.2Tz) boosts conductivity, enhancing temperature response, while ...
Debananda Mohapatra +12 more
wiley +1 more source
WPT system for constant current and constant voltage charging based on switched resonant frequency
Wireless Power TransferThis paper designs and implements an innovative WPT system that possesses the capability to seamlessly switch between constant current (CC) and constant voltage (CV) outputs, thereby fully satisfying the various charging requirements of batteries for ...
Zhen Guo +7 more
doaj +1 more source
Beamforming for Magnetic Induction based Wireless Power Transfer Systems with Multiple Receivers
, 2015 Magnetic induction (MI) based communication and power transfer systems have gained an increased attention in the recent years. Typical applications for these systems lie in the area of wireless charging, near-field communication, and wireless sensor ...
Akyildiz, I. F. +2 more
core +1 more source