Results 71 to 80 of about 18,729 (193)

HP-NGD Circuit Theory With Generalized Exponential Kernel Fractional Derivative-Based Impedances

open access: yesIEEE Access
In this work, we propose a novel passive circuit theory on fractional High-Pass (HP) Negative Group Delay (NGD) topology by using the fractional order reactive impedance and admittance.
Rawid Banchuin   +9 more
doaj   +1 more source

Wideband Substrate Integrated Waveguide Chip Filter Using Spoof Surface Plasmon Polariton

open access: yesMicromachines, 2022
This article presents a novel wideband bandpass filter based on the integration of a substrate integrated waveguide (SIW) and a spoof surface plasmon polariton (SSPP). An SIW cavity with periodic arrays of meander-slot units is etched on the top metallic
Dongzhe Pan   +3 more
doaj   +1 more source

Boundary-mode operation of the boost converter for thermoelectric generator maximum power tracking [PDF]

open access: yes, 2014
This article has been made available through the Brunel Open Access Publishing Fund.Performance-favourable and noteworthy characteristics of the Boost converter are reported, when the latter operates in Maximum Power Tracking (MPT) mode, while fed from a
Theodoridis, M
core  

Research on Fractional-Order Sliding Mode Control of Fractional-Order Permanent Magnet Direct-Drive Wind Power System

open access: yesMachines
A large number of practical systems show pronounced fractional-order features. In comparison with integer-order calculus, fractional-order calculus has been demonstrated to possess enhanced precision in the description of the dynamic behavior of complex ...
Junhua Xu   +5 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

Measurement Units and Physical Dimensions of Fractance-Part II: Fractional-Order Measurement Units and Physical Dimensions of Fractance and Rules for Fractors in Series and Parallel

open access: yesIEEE Access, 2016
Here and in the companion paper (Part I), a novel conceptual framework on the measurement units and physical dimensions of fractance and rules for fractors in series and parallel is mainly discussed.
Yi-Fei Pu
doaj   +1 more source

Optimized Quality Factor of Fractional Order Analog Filters with Band-Pass and Band-Stop Characteristics

open access: yes, 2012
Fractional order (FO) filters have been investigated in this paper, with band-pass (BP) and band-stop (BS) characteristics, which can not be achieved with conventional integer order filters with orders lesser then two.
Acharya, Anish   +4 more
core   +1 more source

An Integer-Order Memristive System with Two- to Four-Scroll Chaotic Attractors and Its Fractional-Order Version with a Coexisting Chaotic Attractor

open access: yesComplexity, 2018
First, based on a linear passive capacitor C, a linear passive inductor L, an active-charge-controlled memristor, and a fourth-degree polynomial function determined by charge, an integer-order memristive system is suggested.
Ping Zhou, Meihua Ke
doaj   +1 more source

Fracmemristor: Fractional-Order Memristor

open access: yesIEEE Access, 2016
This paper mainly discusses an interesting conceptual framework: the fractional-order memristor (fracmemristor). It is a challenging theoretical problem to determine what the fracmemristor interpolating characteristics between the memristor and the ...
Yi-Fei Pu, Xiao Yuan
doaj   +1 more source

The effect of electron dielectric response on the quantum capacitance of graphene in a strong magnetic field

open access: yes, 2013
The quantum capacitance of graphene can be negative when the graphene is placed in a strong magnetic field, which is a clear experimental signature of positional correlations between electrons.
Geim, A. K.   +5 more
core   +1 more source

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