Results 31 to 40 of about 9,309,398 (270)

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

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

Modeling and Control Research of Fractional-Order Cascaded H-Bridge Multilevel STATCOM

open access: yesFractal and Fractional
This paper introduces fractional-order capacitors and fractional-order inductors into the conventional integer-order cascaded H-bridge multilevel static compensator (ICHM-STATCOM), thereby constructing the main circuit of the fractional-order cascaded H ...
Junhua Xu   +5 more
doaj   +1 more source

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

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

A Nonvolatile Fractional Order Memristor Model and Its Complex Dynamics

open access: yesEntropy, 2019
It is found that the fractional order memristor model can better simulate the characteristics of memristors and that chaotic circuits based on fractional order memristors also exhibit abundant dynamic behavior.
Jian Wu   +4 more
doaj   +1 more source

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

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

open access: yesFEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge   +6 more
wiley   +1 more source

Modeling and Analysis of Caputo–Fabrizio Definition-Based Fractional-Order Boost Converter with Inductive Loads

open access: yesFractal and Fractional
This paper proposes a modeling and analysis method for a Caputo–Fabrizio (C-F) definition-based fractional-order Boost converter with fractional-order inductive loads.
Donghui Yu, Xiaozhong Liao, Yong Wang
doaj   +1 more source

Two Predictive Current Controls for Fractional Boost Converters

open access: yes四川大学学报. 自然科学版, 2021
Based on the theory of fractional calculus and the fact that actual capacitance and actual inductance are fractional in nature. Firstly,based on the establishment of a fractionalorder mathematical model of the Boost converter, a fractionalorder ...
WANG Yun-Jian, HUO Xing-Xing, ZHANG Wei
doaj  

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