Results 41 to 50 of about 147,643 (299)

Real time parameter estimation for power quality control and intelligent protection of grid-connected power electronic converters [PDF]

open access: yes, 2014
This paper presents a method to identify power system impedance in real-time using signals obtained from grid- connected power electronic converters. The proposed impedance estimation has potential applications in renewable/distributed energy systems ...
Abusorrah, Abdullah   +3 more
core   +2 more sources

Impedance Estimation with an Enhanced Particle Swarm Optimization for Low-Voltage Distribution Networks

open access: yesEnergies, 2019
Many researchers in recent years have studied voltage deviation issues in distribution networks. Characterizing the impedance between consuming nodes in a network is the key to controlling the network voltage.
Daisuke Kodaira   +4 more
doaj   +1 more source

Adaptive Robust Admittance Control of Robots Using Duality Principle-Based Impedance Selection

open access: yesApplied Sciences, 2022
The performance of robot admittance control depends heavily on environmental dynamics, the desired impedance selection, and control input. In this study, an adaptive robust admittance control strategy is proposed for robot–environment interaction.
Tairen Sun   +3 more
doaj   +1 more source

A Novel Battery State of Charge Estimation Based on Voltage Relaxation Curve

open access: yesBatteries, 2023
Lithium-ion batteries, known for their high efficiency and high energy output, have gained significant attention as energy storage devices. Monitoring the state of charge through battery management systems plays a crucial role in enhancing the safety and
Suhyeon Lee, Dongho Lee
doaj   +1 more source

Electron cloud buildup and impedance effects on beam dynamics in the future circular e+e− collider and experimental characterization of thin TiZrV vacuum chamber coatings [PDF]

open access: yes, 2018
The Future Circular Collider FCC-ee is a study toward a high luminosity electron-positron collider with a centre-of-mass energy from 91 GeV to 365 GeV.
Belli, E.   +9 more
core   +2 more sources

Measurement of Emotional Response by Similarity in Patterns of Galvanic Skin Reflex [PDF]

open access: yes, 1989
There is no doubt that many people feel the peace of mind or the pleasures of senses in appreciating music. But the estimation of the effect is very difficult and the objective estimation can be hardly done.
Isshiki, Hiromi   +3 more
core   +1 more source

Validating Two Novel Equivalent Impedance Estimators [PDF]

open access: yesIEEE Transactions on Power Systems, 2018
Author's copy of a letter that will be forthcoming with IEEE Transactions on Power Systems.
Paul Cuffe, Federico Milano
openaire   +3 more sources

Deep Learning-Enhanced Fault Detection and Localization in Induction Motor Drives: A ResMLP and TCN Framework

open access: yesMachines
Unbalanced supply voltage (USV) represents a critical power quality challenge in industrial environments, significantly degrading the performance, efficiency, and operational lifespan of three-phase induction motors.
Hamza Adaika   +3 more
doaj   +1 more source

A Hybrid Approach to Joint Estimation of Channel and Antenna impedance

open access: yes, 2018
This paper considers a hybrid approach to joint estimation of channel information and antenna impedance, for single-input, single-output channels. Based on observation of training sequences via synchronously switched load at the receiver, we derive joint
Hughes, Brian L., Wu, Shaohan
core   +1 more source

Two-Stage Islanding Detection Method via High Frequency Impedance and Harmonic Distortion Evaluation in Multi-DG Networks

open access: yesIranian Journal of Electrical and Electronic Engineering, 2021
Islanding detection is essential for reliable and safe operation of systems with distributed generations (DG). In systems with multiple DGs, the interaction between DGs can make the islanding detection process more challenging.
M. Mohiti, S. Sabzevari, P. Siano
doaj  

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