tThis paper considers an ensemble of Chua oscillators bidirectionally coupled in a ring geometry wherelocally coupled circuits form a closed loop of signal transmission. The spontaneous dynamics of this sys-tem is studied numerically for different coupling strength. A transition from periodic to chaotic regimesis observed when the coupling decreases. In the former situation, characterized by high coupling, all thecircuits oscillate with pseudo-sinusoidal dynamics on periodic attractors; in the latter they evolve on thesame-type of chaotic attractor with a progression of the dynamics from the Chua’s spiral to the doublescroll as the coupling decreases. The emerging global dynamics is markedly different in the two casesand a phase transition between highly ordered and highly disordered global dynamics is observed. Syn-chronization and traveling waves moving along the ring are identified in the non-chaotic regime, whilespatio-temporal chaos results for very low coupling. Complex patterns formation appears at the “edgeof chaos”, for a small couplings interval after the transition between these two regimes.
Scheda prodotto non validato
Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo
|Titolo:||Complexity and emergence of wave dynamics in a chain ofsequentially interconnected Chua circuits|
|Data di pubblicazione:||2015|
|Appare nelle tipologie:||1.1 Articolo in rivista|