Results 71 to 80 of about 4,727 (205)

Free‐Air Electric Arc Phenomena in High‐Voltage Energy Transmission Systems: A Comprehensive Review Integrating Physical Modeling and Intelligent Monitoring

open access: yesEngineering Reports, Volume 8, Issue 5, May 2026.
This graphical abstract compares circuit‐based, signal‐processing‐based, and intelligent‐learning‐based approaches for secondary arc‐fault detection, highlighting their key principles and practical advantages. ABSTRACT Reliable detection of free‐air electric arc faults in high‐voltage overhead transmission lines, together with accurate discrimination ...
Mahyar Abasi   +2 more
wiley   +1 more source

Optimal Placement of Phasor Measurement Unit in Electrical Grid Using Dingo Optimization Algorithm [PDF]

open access: yesJournal of Electrical and Electronics Engineering
This research introduces an effective strategy for the optimal placement of Phasor Measurement Units (PMUs) in power grids to ensure complete system observability. By analyzing network connectivity, the approach seeks to minimize installation costs while
ARIYO Funso Kehinde   +3 more
doaj  

Exercise‐induced dynamic hyperinflation in chronic obstructive pulmonary disease

open access: yesExperimental Physiology, Volume 111, Issue 5, Page 2476-2484, 1 May 2026.
Abstract Chronic obstructive pulmonary disease (COPD) is an inflammatory lung disease caused by inhalation of noxious particles, most commonly cigarette smoking. The consequent changes in airways, lung parenchyma and pulmonary vasculature lead to increased resistive, elastic and threshold loads and impaired capacity of the respiratory muscle pump. COPD
Rebecca F. D'Cruz   +2 more
wiley   +1 more source

Reliably optimal PMU placement using disparity evolution-based genetic algorithm [PDF]

open access: yes, 2017
Phasor Measurement Units (PMUs) are an important component in Wide Area Protection (WAP)- based operations in power systems. It is needed that a certain placement scheme of PMUs is suggested if power system scale gets larger. The optimal placement of PMU
Matsukawa, Yoshiaki   +3 more
core  

Predictive value of seizure onset for gross motor dysfunction in individuals with pathogenic GABRB2 and GABRB3 variants

open access: yesEpilepsia, Volume 67, Issue 4, Page 1945-1960, April 2026.
Abstract Objective Pathogenic variants in γ‐aminobutyric acid type A (GABAA) receptor genes have been associated with a wide spectrum of neurological disorders. We aimed to delineate the clinical trajectories associated with gain‐of‐function (GoF) and loss‐of‐function (LoF) variants in GABRB2 and GABRB3, and to develop a risk‐prediction model for gross
Sebastian Ortiz   +73 more
wiley   +1 more source

An Optimal PMU Placement With Reliable Zero Injection Observation

open access: yesIEEE Access, 2018
Zero injection (ZI) is an inherent characteristic of a power grid. The effect of ZI (ZI effect) is usually utilized as an auxiliary measurement termed ZI observation for simplification. We discover that the ZI observation can transmit. The reliability of
Chengchao Lu   +4 more
doaj   +1 more source

Intermediate Resistance and Capacitance States in Ge‐Rich GeSbTe Phase‐Change Memory

open access: yesphysica status solidi (RRL) – Rapid Research Letters, Volume 20, Issue 4, April 2026.
Intermediate states of Ge‐rich GeSbTe phase‐change (PCM) memory cells are investigated by electrical impedance spectroscopy. Resistance and capacitance are extracted using an equivalent RC model, revealing tunable resistance and SET‐state‐dominated capacitance.
Adrien Delpoux   +7 more
wiley   +1 more source

Optimal co-placement method considering non-homogeneous PMU channel capacities

open access: yesIET Smart Grid, 2020
In this study, a topology defragmentation method is developed for co-placements of phasor measurement units (PMUs) and their communication infrastructure. Electric power networks are defragmented into sets of branches and a realistic cost model, based on
Dahunsi J. Okekunle   +2 more
doaj   +1 more source

The landscape of dementia research, diagnosis, treatment, and care in Latin America

open access: yesAlzheimer's &Dementia, Volume 22, Issue 3, March 2026.
Abstract Latin America is undergoing rapid population aging alongside a rising burden of dementia. While the region holds substantial potential for dementia risk reduction, challenges remain, such as delayed diagnoses, limited access to specialized care and biomarker testing, persistent stigma, and deep‐rooted structural inequities.
Claudia K. Suemoto   +41 more
wiley   +1 more source

PMU Placement Methods in Power Systems based on Evolutionary Algorithms and GPS Receiver

open access: yesIranian Journal of Electrical and Electronic Engineering, 2013
In this paper, optimal placement of Phasor Measurement Unit (PMU) using Global Positioning System (GPS) is discussed. Ant Colony Optimization (ACO), Simulated Annealing (SA), Particle Swarm Optimization (PSO) and Genetic Algorithm (GA) are used for this ...
M. R. Mosavi, A. Akhyani
doaj  

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