Results 91 to 100 of about 4,047,003 (266)

Weak solutions to a multi-phase field system of parabolic equations related to alloy solidification [PDF]

open access: yes, 2007
Existence of weak solutions to a phase field model for solidification of alloys is studied. The model consists of balance equations for the energy and the concentrations of the alloy components which are coupled to a system of Allen-Cahn equations ...
Stinner, Björn
core   +1 more source

Frequency and fundamental signal measurement algorithms for distributed control and protection applications

open access: yes, 2009
Increasing penetration of distributed generation within electricity networks leads to the requirement for cheap, integrated, protection and control systems.
Burt, G.M.   +2 more
core   +1 more source

A Three-Phase to Single-Phase Midpoint Matrix Converter Using a Free-wheeling Switch for an Inductive Power Transfer System

open access: yes, 2021
Defence is held on 17.8.2021 12:15 – 16:15 Zoom link: https://aalto.zoom.us/j/67688787557Inductive power transfer (IPT) systems can improve the practicalities of a power delivery circuit. The contactless structure of IPT reduces the risk of sparking and
Kusumah, Ferdi Perdana
core   +1 more source

Fault detection, isolation and control reconfiguration of three-phase PMSM drives [PDF]

open access: yes, 2011
ISIE2011info:eu-repo/semantics ...
Johan Gyselinck   +8 more
core   +1 more source

FPGA-based phase measuring profilometry system

open access: yes, 2022
Paper 109970O, 8 S.This paper proposes an architecture for a phase measuring profilometry system, that can be efficiently implemented on a Xilinx Zynq-7000 SoC.
Heß, A.   +3 more
core   +1 more source

Active Power Filter With Automatic Control Circuit For Neutral Current Harmonic Minimization Technique [QC446.3.H37 I98 2007 f rb]. [PDF]

open access: yes, 2007
Disertasi ini bertujuan untuk membangun penuras kuasa aktif yang cekap dan boleh dipercayai bagi meminimumkan lebihan harmonik arus neutral dan juga masalah harmonik di dalam talian neutral untuk sistem tiga fasa empat dawai. The aim of this thesis
A Bakar, Mohd Izhar
core  

Interfacial tensions in the (CH4 + CO2 + H2O) system under two- and three-phase conditions

open access: yes, 2020
Interfacial properties of the (CH4 + CO2 + H2O) system are of great importance in many geotechnical engineering applications. In this study, we report the first experimental measurements of the interfacial tensions in the (CH4 + CO2 + H2O) system under ...
Stevar, Mihaela SP   +2 more
core   +1 more source

Effect of Annealing on Structural-phase State and Three-layered Film Magnetoresistance Systems Based on Ni and V as well as Ni and Au or Ag [PDF]

open access: yesЖурнал нано- та електронної фізики, 2016
The structural-phase state and magnetoresistive properties of three-layer film systems based on Ni and V and Ni and Au or Ag total thickness d = 25-55 nm thick steel spacer ds = 5 nm. Experimentally tested the influence of annealing temperatures from 300
T.M. Grychanovs’ka   +3 more
doaj  

The human gut microbiome across the life course

open access: yesFEBS Letters, EarlyView.
Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero   +4 more
wiley   +1 more source

Three-Phase Fuzzy Feeder Models for Fast Distribution System Calculations

open access: yes, 2012
[[abstract]]Based on fuzzy set theory, this study introduces three novel three-phase fuzzy feeder models for fast distribution system calculations. These fuzzy models are formulated using three lumped individual phase loads to represent single-phase ...
Wang, Shyi-Wen; Huang, Wei-Tzer
core  

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