Results 11 to 20 of about 56,020 (266)

Optimal resonant frequency analysis for underground wireless power transfer with metal tube interference

open access: yesAIP Advances, 2021
Magnetic resonant wireless power transfer (MR-WPT) has several advantages over conventional wired underground power supply methods. However, MR-WPT inevitably encounters metal conductors, which reduce the system efficiency through the eddy loss induced ...
Yu Xu   +4 more
doaj   +1 more source

Quantitative Design and Implementation of an Induction Cooker for a Copper Pan

open access: yesIEEE Access, 2021
The nonferromagnetic pans with a low equivalent resistance are desired to generate sufficient power for heating by larger eddy current. First, Maxwell 3D is used to estimate the equivalent heating resistance of a copper pan and select the optimal number ...
Ming-Shi Huang   +4 more
doaj   +1 more source

A Theoretical and Empirical Investigation of Design Characteristics in a Pb(Zr,Ti)O3-Based Piezoelectric Accelerometer

open access: yesSensors, 2020
A theoretical and experimental study on the design-to-performance characteristics of a compression-mode Pb(Zr,Ti)O3-based piezoelectric accelerometer is presented.
Min-Ku Lee   +3 more
doaj   +1 more source

Wireless High Temperature Sensing Chipless Tag Based on a Diamond Ring Resonator

open access: yesMicromachines, 2023
A passive wireless sensor is designed for real-time monitoring of a high temperature environment. The sensor is composed of a double diamond split rings resonant structure and an alumina ceramic substrate with a size of 23 × 23 × 0.5 mm3.
Bo Wang, Youwei Li, Tingting Gu, Ke Wang
doaj   +1 more source

Frequency-hopping mechanism and control method for nonlinear parity-time-symmetric wireless power transfer systems

open access: yesFrontiers in Energy Research, 2023
Nonlinear parity-time-symmetric wireless power transfer (NPTS-WPT) is a novel wireless power transfer technology. NPTS-WPT systems exhibit the resonant frequency bifurcation phenomenon in the strong coupling region.
Changsheng Li   +4 more
doaj   +1 more source

Frequency Characteristic of Resonant Micro Fluidic Chip for Oil Detection Based on Resistance Parameter

open access: yesMicromachines, 2018
Monitoring the working condition of hydraulic equipment is significance in industrial fields. The abnormal wear of the hydraulic system can be revealed by detecting the variety and size of micro metal debris in the hydraulic oil.
Zilei Yu   +5 more
doaj   +1 more source

Time Domain Simplified Equations and its Iterative Calculation Model for LLC Resonant Converter

open access: yesIEEE Access, 2020
LLC resonant converters can achieve soft switching and loss reduction. However, the analysis methods of wide frequency range LLC converters generally have problems with incomplete working condition analysis at non-resonant frequencies and there is always
Jingkai Niu   +5 more
doaj   +1 more source

Analysis of the Thermally Induced Packaging Effects on the Frequency Drift of Micro-Electromechanical System Resonant Accelerometer

open access: yesMicromachines, 2023
Due to the working principle of MEMS resonant accelerometers, their thermally induced frequency drift is an inevitable practical issue for their extensive application.
Xiaorui Bie   +5 more
doaj   +1 more source

Nickel Thin Film Resonantly Generated at a Rate of Megahertz

open access: yesInternational Journal of Electrochemical Science, 2016
Resonant frequencies at which masses of Ni thin films deposited from a nickel sulfamate solution significantly increase are observed using a rectangular pulse current technique having a frequency of the megahertz scale.
M. Saitou
doaj   +1 more source

Analysis of HepG2 cell response to a wide concentration range of mitomycin C using a multichannel quartz crystal microbalance system with a microscope

open access: yesHeliyon, 2023
The morphological response of HepG2 cells to mitomycin C was analyzed using a multichannel quartz crystal microbalance system equipped with a home-built movable microscope that enables the simultaneous acquisition of cell images and measurements of eight-
Hiroshi Muramatsu   +3 more
doaj   +1 more source

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