Results 41 to 50 of about 781,817 (207)

Equivalent Circuit of a Stacked Piezoelectric Cymbal Vibrator

open access: yesMicromachines
In order to provide a convenient and fast calculation method, the equivalent circuit of a novel stacked piezoelectric cymbal vibrator is studied. The equivalent circuit model of the piezoelectric stack is derived by combining the equivalent circuit ...
Zhaohan Gong   +5 more
doaj   +1 more source

Development and Evaluation of a Physicochemical Equivalent Circuit Model for Lithium-Ion Batteries

open access: yesJournal of the Electrochemical Society
Physicochemical models of lithium-ion cells, like the Doyle Fuller Newman (DFN) model, are omnipresent in battery research and development as they provide crucial insight into the cell, while equivalent circuit models dominate the area of application ...
A. Graule   +4 more
semanticscholar   +1 more source

Equivalent circuit model of multiport overlay capacitors

open access: yesElectronics Letters, 1995
The planar approach is used to derive a lumped-element equivalent circuit model of multiport MIM capacitors. The values of the equivalent circuit elements are given as closed-form expressions. Validation of the model is performed comparing its results with experimental data measured up to 40 GHz.
BARTOLUCCI, GIANCARLO   +3 more
openaire   +2 more sources

Equivalent circuit model recognition of electrochemical impedance spectroscopy via machine learning [PDF]

open access: yesJournal of Electroanalytical Chemistry, 2019
Electrochemical impedance spectroscopy (EIS) is an effective method for studying the electrochemical systems. The interpretation of EIS is the biggest challenge in this technology, which requires reasonable modeling.
Shan Zhu   +4 more
semanticscholar   +1 more source

Equivalent Circuit Models of Finite Slot Antennas

open access: yesIEEE Transactions on Antennas and Propagation, 2019
We present a systematic approach to describe planar slot antennas embedded in generic stratified media. An equivalent transmission line model for the slot is proposed, based on a spectral domain analysis. First, we introduce a method of moments solution to model semiinfinite or finite slots, fed by a delta-gap excitation.
Ralph M. van Schelven   +2 more
openaire   +5 more sources

An Improved Organic Solar Cell Lumped-Parameter Equivalent Circuit Model

open access: yesCrystals, 2018
An improved lumped-parameter equivalent circuit model is proposed to describe S-shaped I–V characteristics of organic solar cells (OSCs). This model originates but differs from Mazhari’s model.
Chuanzhong Xu   +3 more
doaj   +1 more source

Parameter Identification for Cells, Modules, Racks, and Battery for Utility-Scale Energy Storage Systems

open access: yesIEEE Access, 2020
The equivalent circuit model for utility-scale battery energy storage systems (BESS) is beneficial for multiple applications including performance evaluation, safety assessments, and the development of accurate models for simulation studies.
Oluwaseun M. Akeyo   +4 more
doaj   +1 more source

Fractional-Order Equivalent Circuit Modeling of Antennas—Part I: Modeling

open access: yesIEEE Access
This article introduces a new approach for devising accurate general equivalent circuit models of the input impedance of antennas. The major advance, compared to existing equivalent circuits models, consists in using fractional-order capacitances and ...
Francois Torres, Marc Thevenot
doaj   +1 more source

Equivalent Circuit Models for Optical Amplifiers [PDF]

open access: yes, 2011
Electrical equivalent circuit models for optical components are useful as they allow existing, well-developed circuit simulators to be used in design and analysis of optoelectronic devices. A circuit simulator also allows integration with electrical components (package parasitic, laser driver circuit, etc.). Equivalent circuit models were developed and
Jou, Jau-Ji, Liu, Cheng-Kuang
openaire   +2 more sources

Parameter Identification of Electrical Equivalent Circuits including Mass Transfer Parameters for the Selection of the Operating Frequencies of Pulsed PEM Water Electrolysis

open access: yesEnergies, 2022
This paper proposes a parameter identification method for a PEM electrolyzer electrical equivalent circuit for pulse electrolysis. Since general water electrolysis mainly uses DC currents, identifying equivalent circuit parameters using electrical ...
Jae-Hoon Kim   +4 more
doaj   +1 more source

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