Results 31 to 40 of about 108,405 (293)

Novel expressions for time domain responses of fractance device

open access: yesCogent Engineering, 2017
In this research, many novel expressions for time domain responses of fractance device to various often cited inputs have been proposed. Unlike the previous ones, our expressions have been derived based on the Caputo fractional derivative by also ...
Rawid Banchuin
doaj   +1 more source

Fractional Controller Design of a DC-DC Converter for PEMFC

open access: yesIEEE Access, 2020
Proton Exchange Membrane Fuel Cell (PEMFC) is difficult for application because of its high current and wide voltage output. A fractional order PID controller is introduced to a Four-Switch Buck-Boost DC/DC converter to stabilize the power output in this
Zhidong Qi   +3 more
doaj   +1 more source

Basin of Attraction Analysis of New Memristor-Based Fractional-Order Chaotic System

open access: yesComplexity, 2021
Memristor is the fourth basic electronic element discovered in addition to resistor, capacitor, and inductor. It is a nonlinear gadget with memory features which can be used for realizing chaotic, memory, neural network, and other similar circuits and ...
Long Ding, Li Cui, Fei Yu, Jie Jin
doaj   +1 more source

Design and Implementation of Takagi-Sugeno Fuzzy Tracking Control for a DC-DC Buck Converter [PDF]

open access: yes, 2019
This paper presents the design and implementation of a Takagi-Sugeno (T-S) fuzzy controller for a DC-DC buck converter using Arduino board. The proposed fuzzy controller is able to pilot the states of the buck converter to track a reference model.
Guiza, Dhaouadi   +3 more
core   +2 more sources

A Unified Description of the Electrical Properties with Complex Dynamical Patterns in Metal Halide Perovskite Photovoltaics

open access: yesFractal and Fractional, 2023
One of the most promising emerging photovoltaic technologies is represented by perovskite materials essentially due to their outstanding performance.
Enrique Hernández-Balaguera   +1 more
doaj   +1 more source

Kinetic Inductance Detectors for the OLIMPO experiment: design and pre-flight characterization [PDF]

open access: yes, 2019
We designed, fabricated, and characterized four arrays of horn--coupled, lumped element kinetic inductance detectors (LEKIDs), optimized to work in the spectral bands of the balloon-borne OLIMPO experiment.
Ade, P. A. R.   +17 more
core   +3 more sources

A Method for Designing Multi-Band Rasorbers for Wideband Applications

open access: yesIEEE Access, 2021
Rasorbers with a single passband (narrow or wide) or multiple narrow passbands have been reported for stealth applications over the past few years. In this work, a method of designing the multi-band rasorber with wide passband(s) is proposed for the ...
Ruiming Li   +5 more
doaj   +1 more source

A maximum power point tracking for a photovoltaic system based on optimum sinusoidal modulated control pulses [PDF]

open access: yes, 2014
Photovoltaic systems have grown rapidly in the last few decades. This growth has enhanced research about this technology, focusing on reducing cost and improving efficiency. Maximum power point tracking (MPPT), which increases the overall efficiency of a
Alqarni, M, Darwish, MK
core   +1 more source

Analysis and Modeling of Fractional-Order Buck Converter Based on Riemann-Liouville Derivative

open access: yesIEEE Access, 2019
In previous studies, researchers used the fractional definition of Caputo to study fractional-order power converter. However, it is found that the model based on Caputo fractional definition is inconsistent with the actual situation.
Zhihao Wei, Bo Zhang, Yanwei Jiang
doaj   +1 more source

High-sensitivity in various gyrator-based circuits with exceptional points of degeneracy

open access: yesEPJ Applied Metamaterials, 2022
Exceptional points of degeneracy (EPD) can enhance the sensitivity of circuits by orders of magnitude. We show various configurations of coupled LC resonators via a gyrator that support EPDs of second and third-order.
Rouhi Kasra   +3 more
doaj   +1 more source

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