Observatorio de I+D+i UPM

Memorias de investigación
Research Publications in journals:
Experimental evidence of deterministic coherence resonance in coupled chaotic systems with frequency mismatch
Year:2016
Research Areas
  • Physics chemical and mathematical,
  • Electric engineers, electronic and automatic (eil)
Information
Abstract
We present the experimental evidence of deterministic coherence resonance in unidirectionally coupled two and three R¿ossler electronic oscillators with mismatch between their natural frequencies. The regularity in both the amplitude and the phase of chaotic fluctuations is experimentally proven by the analyses of normalized standard deviations of the peak amplitude and interpeak interval and Lyapunov exponents. The resonant chaos suppression appears when the coupling strength is increased and the oscillators are in phase synchronization. In two coupled oscillators, the coherence enhancement is associated with negative third and fourth Lyapunov exponents, while the largest first and second exponents remain positive. Distinctly, in three oscillators coupled in a ring, all exponents become negative, giving rise to periodicity. Numerical simulations are in good agreement with the experiments.
International
Si
JCR
Si
Title
Physical Review. e, Statistical, Nonlinear, And Soft Matter Physics
ISBN
1539-3755
Impact factor JCR
2,288
Impact info
Volume
94
10.1103/PhysRevE.94.012218
Journal number
1
From page
012218-1
To page
012218-9
Month
JULIO
Ranking
Participants
  • Autor: Mariano Alberto Garcia Vellisca (UPM)
Research Group, Departaments and Institutes related
  • Creador: Centro o Instituto I+D+i: Centro de tecnología Biomédica CTB
S2i 2019 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)