Results 21 to 30 of about 1,574,626 (240)
Energies, 2022 Existing research on the magnetic coupler of unmanned aerial vehicle (UAV) wireless charging systems usually ignores the UAV fuselage, but the fuselage causes eddy current loss and reduces a system’s efficiency.
Fengshuo Yang +6 more
doaj +1 more source
Nondestructive characterization of fiber couplers by a local perturbation method [PDF]
, 2002 A technique for the nondestructive characterization of fiber couplers is demonstrated. A CO2 laser beam is scanned along the coupler length inducing a local perturbation to the coupler eigenmodes.
Ghiringhelli, F. +3 more
core +1 more source
World Electric Vehicle Journal, 2021 An increment of magnetic field strength inevitably appears at the shield edge if a magnetic shield is made of a soft magnetic material, and that increment becomes more serious if this shield is combined with the chassis of an electrical vehicle (EV ...
Yening Sun, Yao Wei, Yi Tian
doaj +1 more source
Ultra-Broadband Directional Couplers Using Microstrip with Dielectric Overlay in Millimeter-Wave Band [PDF]
, 2011 Nowadays, millimeter-wave systems are being a key factor to develop wide band applications. In this paper, a directional coupler in millimeter-wave band using dielectric overlay is presented.
Alonso Montes, José I. +4 more
core +1 more source
Journal of Marine Science and Engineering, 2023 In this paper, a wireless power transfer (WPT) system with a compact planar magnetic coupler for an autonomous underwater vehicle (AUV) is proposed. A passive induction (PI) coil is integrated into the circular transmitter (Tx) coil to build a uniform ...
Haibing Wen +6 more
doaj +1 more source
High temperature performance of an optical microfibre coupler and its potential use as a sensor [PDF]
, 2012 The dependence of the transmission spectrum of an optical microfibre coupler at high temperatures is investigated experimentally. Results show a temperature sensitivity up to 36.59 pm/°C at a taper waist outer diameter of 2.5 µm; such a temperature ...
Brambilla, Gilberto +6 more
core +1 more source
Modular Four-Channel 50 kW WPT System With Decoupled Coil Design for Fast EV Charging
IEEE Access, 2021 High-power wireless power transfer (WPT) is an attractive option for fast charging of electric vehicles (EVs), but the power capability of the WPT system is limited by power devices and resonant elements.
Hao Chen +6 more
doaj +1 more source
Applied Sciences, 2022 When the wireless power transfer (WPT) system is installed on the autonomous underwater vehicle (AUV), there is a non-negligible eddy current loss around the coupler. The existence of the ferrite core causes the nonlinear distortion of the magnetic field,
Bo Liang +3 more
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Energies, 2021 In order to improve the customers’ continuous usage of electrical vehicles (EVs) and reduce the weight of the energy storage devices, wireless charging technology has been widely studied, updated, and commercialized in recent decades, regarding to its ...
Kaiwen Chen +3 more
doaj +1 more source
Robust Optimization for Misalignment Tolerance in Inductive Power Transfer Coupler Design
IEEE Open Journal of the Industrial Electronics Society, 2023 Coupler parameters, such as transmitter inductance (LTx), receiver inductance (LRx), and the coupling coefficient (k) or mutual inductance (M), vary with the misalignments.
Sampath Jayalath, Azeem Khan
doaj +1 more source