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    Sergey Nikolaev

    Astrakhanskaya street, 83, 410026, Saratov, Russia
    Saratov State University


    Anishchenko V. S., Nikolaev S. M.
    We investigate synchronization of a resonant limit cycle on a two dimensional torus by an external harmonic signal. The regime of resonant limit cycle is realized in a system of two coupled Van der Pol oscillators, we consider the resonances 1:1 and 1:3. We analyse the influence of the generators coupling strength. We show, that generally the effect of synchronization of a resonant limit cycle on torus is followed by the distruction of the resonance in the system, next one of the basic frequencies of the system becomes locked, and then another. We consider the bifurcation mechanism of synchronization effect.
    Keywords: limit cycle, torus, saddle-node bifurcation, synchronization
    Citation: Anishchenko V. S., Nikolaev S. M.,  Synchronizationmechanisms of resonant limit cycle on two-dimensional torus, Rus. J. Nonlin. Dyn., 2008, Vol. 4, No. 1, pp.  39-56
    Anishchenko V. S., Nikolaev S. M.
    We propose a new autonomous dynamical system of dimension $N = 4$ that demonstrates the regime of stable two-frequency motions. It is shown that system of two generators of quasiperiodic motions with symmetric coupling can realize motions on four-dimensional torus with resonant structures on it in the form of three- and two-dimensional torus. We show that with increase of noise intensity the higher the dimension of torus the faster it is destroyed.
    Keywords: quasiperiodic motions, synchronization, chaos
    Citation: Anishchenko V. S., Nikolaev S. M.,  Stability, synchronization and destruction of quasiperiodic motions, Rus. J. Nonlin. Dyn., 2006, Vol. 2, No. 3, pp.  267-278

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