نتایج جستجو برای: displacement delay duffing oscillator
تعداد نتایج: 214839 فیلتر نتایج به سال:
Abstract This paper investigates the dynamics of a Duffing oscillator excited by an unbalanced motor. The interaction between motor and vibrating system is considered as nonideal, which means that excitation provided can be influenced response, case in general for real systems. constitutes important difference with respect to classical (ideally excited) oscillator, where amplitude frequency ext...
This study is divided into two important axes; for the first one, a new symmetric analytical (approximate) solution to Duffing–Helmholtz oscillatory equation in terms of elementary functions derived. The obtained compared with numerical using 4th Range–Kutta (RK4) approach and exact that elliptic functions. As second axis, we consider time-delayed version same oscillator taking impact both forc...
We report microwave transmission measurements of superconducting Fabry-Perot resonators, having a superconducting nanowire placed at a supercurrent antinode. As the plasma oscillation is excited, the supercurrent is forced to flow through the nanowire. The microwave transmission of the resonator-nanowire device shows a nonlinear resonance behavior, significantly dependent on the amplitude of th...
In this work, we will give an overview of our recent progress in experimental continuation. First, three different approaches are explained and compared which can be found scientific papers on the topic. We then show S-Curve measurements a Duffing oscillator experiment for derived optimal controller gains analytically. The formula stabilizing PD-controller makes trial error search suitable valu...
In this work, we propose a novel phenomenological model of the EEG signal based on the dynamics of a coupled Duffing-van der Pol oscillator network. An optimization scheme is adopted to match data generated from the model with clinically obtained EEG data from subjects under resting eyes-open (EO) and eyes-closed (EC) conditions. It is shown that a coupled system of two Duffing-van der Pol osci...
Time-delayed feedback control is an efficient method for stabilizing unstable periodic orbits of chaotic systems. If the equations governing the system dynamics are known, the success of the method can be predicted by a linear stability analysis of the desired orbit. Unfortunately, the usual procedures for evaluating the Floquet exponents of such systems are rather intricate. We show that the m...
An oscillator whose frequency is amplitude dependent can be controlled by a drive whose frequency sweeps through a resonance with the oscillator's fundamental frequency. This phenomenon is called autoresonance, and has been previously investigated for drives with frequencies near the oscillator's fundamental or subharmonic frequencies. This paper examines autoresonance for drives at twice the f...
S. JEYAKUMARI, V. CHINNATHAMBI Department of Physics, Sri K.G.S. Arts College, Srivaikuntam 628 619, Tamilnadu, India., S. RAJASEKAR School of Physics, Bharathidasan University, Tiruchirapalli 620 024, Tamilnadu, India. [email protected], and M.A.F. SANJUAN Departamento de F́ısica, Universidad Rey Juan Carlos, Tulipán s/n, 28933 Móstoles, Madrid, Spain. [email protected] Abstract We ...
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