Results 31 to 40 of about 148,448 (274)

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

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

Assessing the accuracy of loss estimation methods for supercapacitor energy storage devices operating under constant power cycling [PDF]

open access: yes, 2014
This paper assesses different energy loss estimation methods using the supercapacitor model parameters extracted from the electrochemical impedance spectroscopy (EIS).
Asher, Greg   +5 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

Power System Impedance Estimation Using a Fast Voltage and Current Changes Measurements

open access: yesEnergies, 2020
Equivalent power system impedance is an important electrical quantity from many points of view. Areas in which this parameter plays an important role include, in particular: Voltage stability analysis, power quality, or fault condition analysis.
Martin Kanálik   +3 more
doaj   +1 more source

A method for automated bolt-loosening monitoring and assessment using impedance technique and deep learning

open access: yesDevelopments in the Built Environment, 2023
Traditional impedance-based bolt-looseness monitoring approaches using hand-crafted impedance features can lead to difficulties in quantitative damage severity estimation.
Thanh-Truong Nguyen   +4 more
doaj   +1 more source

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

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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