Scientific Results

Feedback control of bursting and multistability in chaotic systems

Year: 2011

Authors: Geltrude A., Al Naimee K., Euzzor S., Meucci R.,
Arecchi F.T., Goswami B.K.

Autors Affiliation: CNR – Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;
Physics Department, College of Science, University of Baghdad, Baghdad, Iraq;
Dipartimento di Fisica, Università di Firenze, 50019 Sesto Fiorentino, Italy;
Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Mumbai, India

Abstract: With a modulated CO2 laser as a standard model of periodically driven multistable systems, we experimentally demonstrate that a small-amplitude optoelectronic feedback perturbation can efficiently transform a bursting chaotic system to a nonchaotic one. Numerical simulations are in excellent agreement with the experimental results. The control has also been equally effective in the case of a driven FitzHugh–Nagumo model of Neuroscience.


KeyWords: Bursting; Chaos; Control; Multistability;