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    Wyświetlanie 1-9 z 9
    Tytuł:
    The Concept of Unidirectionally Coupled Nonlinear Circuits via a Memristor
    Autorzy:
    Volos, Ch.
    Kyprianidis, I.
    Stouboulos, I.
    Stavrinides, S.
    Anagnostopoulos, A.
    Ozer, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1491463.pdf
    Data publikacji:
    2012-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.45.Xt
    Opis:
    Confirmation of the existence of memristor by researchers at 2008 attracts much interest on this newly found circuit element. This is due to the fact that memristor opens up new functionalities in electronics and it has led to the interpretation of phenomena regarding not only electronics but also biological systems. In this work, we have studied the simulated dynamic behavior of two unidirectionally coupled nonlinear circuits via a memristor. This confirms the transition from chaotic desynchronization to complete chaotic synchronization through a regime of intermittent synchronization between the unidirectionally coupled circuits.
    Źródło:
    Acta Physica Polonica A; 2012, 121, 1; 268-270
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Observer-Based Synchronization of a New Hybrid Chaotic System and Its Application to Secure Communications
    Autorzy:
    Bouraoui, H.
    Kemih, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399718.pdf
    Data publikacji:
    2013-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.45.Gg
    05.45.Xt
    Opis:
    This paper presents an interesting issue of using hybrid dynamical system to chaos synchronization and its application in secure communication using a new 5D hyperchaotic systems. The slave system is modeled by an unknown input observer, in which the unknown input issued from the hybrid system is the transmitted information. Based on the descriptor observer design, the Lyapunov stability theory and some robustness criteria, new sufficient synthesis conditions are given in terms of linear matrix inequalities that we can obtain the estimations of both the hybrid system states and the transmitted signals. Numerical examples are provided to show the performances of the proposed approach.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 2; 259-262
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Interaction between Polymer Brush and Nanoparticle: Brownian Dynamics Investigation
    Autorzy:
    Zhang, Q.
    Xiang, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/1400121.pdf
    Data publikacji:
    2013-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.45.Xt
    05.45.Jn
    Opis:
    We use Brownian dynamics simulations to study the adsorption behavior of a nanosized particle on polymer brushes. The adsorption process, the dynamic behavior of the nanoparticle in brush, the penetration depth, and the diffusion coefficient of the nanoparticle in different depths of the brush are all investigated for different grafting densities. We provide an area density Γp, which is the area average of the monomer number above the embedded nanoparticle in brush. We find that this area density explains well qualitatively the experimental phenomenon that the nanoparticles exhibit a maximum in the adsorbed amount as a function of the grafting density of brush.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 4; 642-646
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impulsive Control and Synchronization of a New 5D Hyperchaotic System
    Autorzy:
    Kemih, K.
    Bouraoui, H.
    Messadi, M.
    Ghanes, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399676.pdf
    Data publikacji:
    2013-02
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.45.Gg
    05.45.Xt
    Opis:
    This paper investigates the control and the synchronization of a new 5D hyperchaotic system. Based on the impulsive control theory, some new and less conservative criteria for the global exponential stability and asymptotical stability of impulsively controlled 5D hyperchaotic system, are obtained with varying impulsive interval. Finally, numerical simulations are given to demonstrate the effectiveness of the proposed control and synchronization methodology.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 2; 193-195
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Suppressing Activity of an Array of Coupled Fitzhugh-Nagumo Oscillators
    Autorzy:
    Adomaitienė, E.
    Mykolaitis, G.
    Bumelienė, S.
    Tamaševičius, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1398724.pdf
    Data publikacji:
    2016-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.45.Xt
    87.19.lr
    Opis:
    An extremely simple method for stabilizing unstable steady states in an array of coupled neuronal FitzHugh-Nagumo type oscillators is described. A two-terminal electronic feedback controller has been developed. The feedback circuit, when coupled to an array of oscillators, damps the spiking neurons, thus does away with the effect of synchronization. Both, numerical simulations and hardware experiments with the electronic circuits have been performed. The results for an array of three mean-field coupled FitzHugh-Nagumo oscillators are presented.
    Źródło:
    Acta Physica Polonica A; 2016, 129, 4; 562-564
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chaotic Phenomena in a Simple 3D Autonomous Circuit with a Diode Pair
    Autorzy:
    Kandiban, G.
    Manimaran, S.
    Balachandran, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1489819.pdf
    Data publikacji:
    2012-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.45.-a
    05.45.Xt
    05.45.Ac
    Opis:
    The simple 3D-chaotic dynamics of an autonomous oscillator circuit was studied by measuring its responsible in the form of phase-portrait, power spectrum and chaotic time series. The new realization combines attractive features of the current feedback op-amp operating in both voltage and current modes to construct the active linear negative conductance. The component count is reduced and the chaotic spectrum is extended to higher frequencies. In addition, a buffered and isolated voltage output directly representing a state variable is made available. The circuit consists of just three linear elements (two capacitors and one inductor), one linear negative conductance and two ideal diodes. The power spectra are presented to confirm the strong chaotic nature of the oscillations of the circuit. The performance of the circuit is investigated by means of experimental simulation and numerical confirmation of the appropriate differential equations. The features of the obtained results are respected for various engineering systems such as chaos communication systems with robustness against various interferences.
    Źródło:
    Acta Physica Polonica A; 2012, 121, 3; 586-588
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Breather Induction by Modulational Instability in Binary Metamaterials
    Autorzy:
    Lazarides, N.
    Molina, M.
    Tsironis, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1795624.pdf
    Data publikacji:
    2009-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    05.45.-a
    05.45.Xt
    63.20.Pw
    Opis:
    It is demonstrated numerically that nonlinear localized excitations in the form of dissipative discrete breathers can be induced spontaneously through the mechanism of modulational instability in nonlinear magnetic metamaterials comprised of binary arrays of split-ring resonators. Specifically, a variety of high amplitude dissipative breathers can be produced by frequency chirping of the driving field, which concentrate a large portion of the total energy of the metamaterial within only a few lattice sites.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 4; 635-637
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical Analysis of Modified Kaldor-Kalecki Model with Couplings and Delays
    Autorzy:
    Jackowska-Zduniak, B.
    Orłowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1398889.pdf
    Data publikacji:
    2016-05
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    89.65.Gh
    88.05.Lg
    05.45.-a
    02.60.Lj
    05.45.Xt
    Opis:
    Modified Kaldor-Kalecki-type model of business cycles with delays are considered. Unidirectional and bidirectional couplings are introduced to investigate relationships between three "global" markets and two "local" markets. Selected results of an extensive numerical analysis are presented.
    Źródło:
    Acta Physica Polonica A; 2016, 129, 5; 1008-1010
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical Analysis of Two Coupled Kaldor-Kalecki Models with Delay
    Autorzy:
    Jackowska-Zduniak, B.
    Grzybowska, U.
    Orłowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1388508.pdf
    Data publikacji:
    2015-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    89.65.Gh
    88.05.Lg
    05.45.-a
    02.60.Lj
    05.45.Xt
    Opis:
    This paper is concerned with two coupled Kaldor-Kalecki models of business cycles with delays in both the gross product and the capital stock. We consider two types of investment functions that lead to different behavior of the system. We introduce the model with unidirectional coupling to investigate the influence of a global economy (like the European Union) on a local economy (like Poland). We present detailed results of numerical analysis.
    Źródło:
    Acta Physica Polonica A; 2015, 127, 3A; A-70-A-74
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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