Results 101 to 110 of about 11,959 (300)

Improved YOLOv7 model for insulator defect detection

open access: yesElectronic Research Archive
<abstract> <p>Insulators are crucial insulation components and structural supports in power grids, playing a vital role in the transmission lines. Due to temperature fluctuations, internal stress, or damage from hail, insulators are prone to injury.
Zhenyue Wang   +5 more
openaire   +3 more sources

Integrated Field‐Free SOT Domain‐Wall Synapses and MTJ Stochastic Neurons for Hardware Boltzmann Machines

open access: yesAdvanced Functional Materials, EarlyView.
Field‐free spin‐orbit torque domain‐wall synapses integrated with stochastic MTJ neurons enable compact hardware Boltzmann machines. Leveraging intrinsic stochasticity and multi‐level conductance, the system achieves efficient probabilistic learning with high accuracy, demonstrating a scalable spintronic platform for energy‐efficient edge AI.
Aijaz H. Lone   +8 more
wiley   +1 more source

ЕЛЕКТРИЧНЕ ПОЛЕ У ЗШИТО-ПОЛІЕТИЛЕНОВІЙ КАБЕЛЬНІЙ ІЗОЛЯЦІЇ З ЕКСЦЕНТРИЧНІСТЮ ТА ДЕФЕКТОМ НАПІВПРОВІДНОГО ЕКРАНА

open access: yesПраці Інституту електродинаміки Національної академії наук України
The study of two-dimensional electric field in cross-linked polyethylene (XLPE) insulation with eccentricity and a protrusion of the insulation into the internal semiconducting screen of high-voltage cable is carried out by computer modeling.
І.М. Кучерява
doaj   +1 more source

Graded‐Interface Dual‐Environment Hydrogel‐Polymer Electrolyte for Stabilized Anode and Sustained Cathode Kinetics in Aqueous Zinc‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A graded‐interface hydrogel‐polymer electrolyte decouples water activity to simultaneously stabilize the Zn anode and sustain cathode kinetics. The flexible design supports dendrite‐free cycling over 1600 h, high capacity in both MnO2 and V2O5 full cells, and stable pouch‐cell performance under bending, resolving the fundamental water conflict in ...
Shuyun Wang   +8 more
wiley   +1 more source

An investigation into solid dielectrics

open access: yes, 2012
Direct measurement techniques for the investigation of electrical processes in solid dielectrics are reviewed and their respective strengths and weaknesses are discussed, particularly the complementary nature of thermally stimulated current measurements.
Kleemann, Tobias, Kleemann, Tobias A
core  

Unraveling the Electronic Structure of Silicon Vacancy Centers in 4H‐SiC

open access: yesAdvanced Functional Materials, EarlyView.
The electronic structure of the silicon vacancy in 4H‐SiC is probed via transient absorption spectroscopy, uncovering previously inaccessible excited states of the quartet and doublet spin channels, including the V2' transition. In combination with theoretical analysis, a comprehensive picture of the electronic structure is established.
Ali Tayefeh Younesi   +9 more
wiley   +1 more source

Space charge determination in HVDC power cable and its influence on electric field

open access: yes, 2010
Considerable amount of transmission and distribution of electricity is carried out by power cable. At present, most high voltage direct current (HVDC) installation uses traditional (oil-impregnated paper insulation and oil-filled-types) cables which pose
Choo, Chin Tze
core  

Dynamic Interfacial Chemistry of Choline Chloride as Electrolyte Additive for Stable Zn‐Iodine Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Choline chloride (ChCl) additive enables dynamic interface engineering in Zn‐I2 batteries by forming hydrophobic polyiodide complexes and a Zn‐stabilizing Ch+‐rich layer under electric field modulation. This dual‐function strategy suppresses iodine hydrolysis and dendrite formation, while optimizing Zn2+ solvation and transport for high‐efficiency ...
Xiaoyu Bi   +16 more
wiley   +1 more source

How to deal with the severity of different Partial Discharge sources in rotating machines: the definition of a new Health Index

open access: yes, 2018
There are two thought trends concerning partial discharge, PD, measurements and diagnostics in electrical insulation systems. One is make it simple and refer to PD amplitude and repetition rate.
GianCarlo Montanari   +5 more
core   +1 more source

A Skin‐Like Strain Sensor for Real‐Time Human Motion Detection

open access: yesAdvanced Functional Materials, EarlyView.
A skin‐like strain sensor with exceptional flexibility and breathability enables real‐time human motion detection. It offers continuous ECG monitoring and gesture recognition, ensuring high durability and comfort. This innovative design is ideal for wearable applications, combining reliable performance with seamless integration into dynamic ...
Shiqi Song   +5 more
wiley   +1 more source

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