Results 51 to 60 of about 1,782 (181)

Oxygen delivery and consumption in aging skeletal muscle: Insights from an electric analogy model of PO2 transients

open access: yesPhysiological Reports, Volume 14, Issue 2, January 2026.
Abstract Mathematical models are essential for understanding oxygen transport and utilization during metabolic transitions. An electrical analogy concept proposed that exponential PO2 transients arise from interaction between oxygen storage capacitance and transport conductances, but lacked explicit circuit representation limiting quantitative ...
Aleksander S. Golub   +3 more
wiley   +1 more source

A New Procedure Based on Continuous RTU Measurement to Estimate Multi-port Thevenin Equivalent Circuit Parameters of an External Power System [PDF]

open access: yesIranian Journal of Electrical and Electronic Engineering
In this paper, a novel method is presented that can accurately estimate the Thevenin equivalent circuit parameters of an external power system by RTUs. The presented method is based on the simultaneous measurements of the desired points in the boundary ...
Nabiollah Ramezani   +1 more
doaj  

Research Progress of Battery Life Prediction Methods Based on Physical Model

open access: yesEnergies, 2023
Remaining useful life prediction is of great significance for battery safety and maintenance. The remaining useful life prediction method, based on a physical model, has wide applicability and high prediction accuracy, which is the research hotspot of ...
Xingxing Wang   +6 more
doaj   +1 more source

Investigation of the Power System Including PV, Super Capacitor and Lithium‐Ion Storage Technologies Under BLDC Motor Load

open access: yesBattery Energy, Volume 4, Issue 6, November 2025.
The growing industrial and technological advancements, along with increasing population, continuously drive up energy consumption. This study examines the development of a Hybrid Energy Storage System consisting of a lithium‐ion battery and supercapacitor integrated with solar energy, highlighting the system's potential to effectively meet the energy ...
Zeynep Tüfek, Emrah Çetin
wiley   +1 more source

Certain investigation and implementation of Coulomb counting based unscented Kalman filter for state of charge estimation of lithium-ion batteries used in electric vehicle application

open access: yesInternational Journal of Thermofluids, 2023
At various operating conditions, battery performance and attributes will change. By employing precise, effective circuit and battery models, designers can forecast and optimize battery run-time, the current state of charge (SOC), and circuit performance.
Selvaraj Vedhanayaki   +1 more
doaj   +1 more source

Transfer Learning‐Based Data‐Fusion Model Framework for State of Health Estimation of Power Battery Packs

open access: yesBattery Energy, Volume 4, Issue 6, November 2025.
To handle nonlinearity and feature coupling, a data‐driven aging model is proposed, employing dual Gaussian Process Regressions and transfer learning to enhance model efficiency and accuracy. Adaptive filtering refines the model by integrating aging features and output capacity, resulting in a closed‐loop data fusion framework for SOH estimation ...
Zhiqiang Lyu   +3 more
wiley   +1 more source

Towards a TCT-inspired electronics concept inventory [PDF]

open access: yes, 2014
This study reports on the initial work on the use of Threshold Concept Theory (TCT) to develop a threshold-concept inventory – a catalogue of the important concepts that underlie electronics and electrical engineering (EE) – and an assessment tool – to ...
Harlow, Ann   +2 more
core   +1 more source

On the robustness of R-2R ladder DACs [PDF]

open access: yes, 2010
A model of the linear R-2R ladder digital-to-analog converter (DAC) is developed in terms of the ratios of the effective resistances at the nodes of the ladder.
Kennedy, Michael Peter
core   +1 more source

Amplifier‐Based Programmable Metasurface for Bidirectional Full Polarization Enhancement

open access: yesSmall Structures, Volume 6, Issue 11, November 2025.
An amplifier‐based programmable metasurface is proposed to enhance bidirectional propagation of various polarized electromagnetic waves. The metasurface incorporates patch scatterers, reconfigurable phase shifters, and negative resistors to manipulate wave direction and improve wireless communication coverage. The Class‐E reflection amplifier minimizes
Xin Wang   +5 more
wiley   +1 more source

Co-Simulation of Electromagnetic Transients and Phasor Models: A Relaxation Approach [PDF]

open access: yes, 2016
Co-simulation opens new opportunities to combine mature electromagnetic transients (EMT) and phasor-mode (PM) solvers, and takes advantage of their respective high accuracy and execution speed. In this paper, a relaxation approach is presented, iterating
Aristidou, P   +3 more
core   +2 more sources

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