Results 1 to 10 of about 7,072 (261)

Indirect sliding mode adaptive fractional order nonlinear observer based controller with fractional order single-ended primary inductor converter

open access: yesInternational Journal of Electrical Power & Energy Systems
Direct Current to Direct Current (DC/DC) converters like the SEPIC (Single-Ended Primary-Inductor Converter) use both passive and active components to control the system via a duty cycle. The SEPIC converter is non-inverting and can both step up and step
Sena Alemu Wondimu   +2 more
doaj   +4 more sources

Fractional-Order Inductor: Design, Simulation, and Implementation

open access: yesIEEE Access, 2021
Fractional calculus has tremendous potential in modeling the evolution of complex systems including those with memory. Indeed, fractional-order models are more accurate in approximating non-locally distributed dynamics with short- or long-term memory ...
Li Zhang   +4 more
doaj   +3 more sources

A variable fractional‐order inductor design [PDF]

open access: yesInternational Journal of Circuit Theory and Applications, 2022
AbstractRecently, interest in fractional‐order inductors (FOIs) has increased since they allow for accurate and robust models of dynamical systems to be designed. However, practical implementation of these models has not been possible due to the lack of single FOI realizations.
Li Zhang   +2 more
exaly   +3 more sources

Fractional-order model of a non-linear inductor [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2019
This paper adopts a fractional calculus perspective to describe a non-linear electrical inductor. First, the electrical impedance spectroscopy technique is used for measuring the impedance of the device.
A.M. Lopes, J.A. Tenreiro Machado
doaj   +2 more sources

Passivity Criterions of Networks With General Fractional Order Coupled Inductors [PDF]

open access: yesIEEE Access, 2019
Fractional order coupled inductor (FCI) was proposed recently which can enrich existing circuit element system. In this paper, the passivity conditions of FCI are discussed.
Guishu Liang   +3 more
doaj   +2 more sources

Analysis of RL electric circuits modeled by fractional Riccati IVP via Jacobi-Broyden Newton algorithm. [PDF]

open access: yesPLoS ONE
This paper focuses on modeling Resistor-Inductor (RL) electric circuits using a fractional Riccati initial value problem (IVP) framework. Conventional models frequently neglect the complex dynamics and memory effects intrinsic to actual RL circuits. This
Mahmoud Abd El-Hady   +3 more
doaj   +2 more sources

Dual-loop proportional control for high-precision induction brazing of thin-walled aluminum waveguides [PDF]

open access: yesScientific Reports
This study presents an automated induction brazing system for thin-walled aluminum waveguide assemblies, integrating dual-loop control with real-time positional feedback.
Vadim Tynchenko   +6 more
doaj   +2 more sources

Golden eagle optimized fractional-order PI controller design for a PFC SEPIC converter in EV charging [PDF]

open access: yesScientific Reports
The power factor correction converter is the function of the front-end converter, followed by the DC–DC converter of the electric vehicle charger. It improves the power factor and regulates the output voltage and current.
S. Vijayakumar, N. Sudhakar
doaj   +2 more sources

Optimal design of tilt integral derivative controller for a boost converter based on swarm-inspired algorithms [PDF]

open access: yesScientific Reports
This article proposes a novel dual-loop control (DLC) method with a Tilt Integral Derivative (TID) Controller for output voltage regulation and inductor current regulation in a boost converter.
Adnan Mukhtar   +5 more
doaj   +2 more sources

Grid-Connected Inverter Based on a Resonance-Free Fractional-Order LCL Filter

open access: yesFractal and Fractional, 2022
The integer-order LCL (IOLCL) filter has excellent high-frequency harmonic attenuation capability but suffers from resonance, which causes system instability in grid-connected inverter applications. This paper studied a class of resonance-free fractional-
Xiaogang Wang, Junhui Cai
doaj   +1 more source

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