COMPLEX PATTERN IN A RING OF VAN DER POL OSCILLATORS COUPLED BY TIME-VARYING RESISTORS

Author:

UWATE YOKO1,NISHIO YOSHIFUMI2,STOOP RUEDI1

Affiliation:

1. Institute of Neuroinformatics, University/ETH Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland

2. Department of Electrical and Electronic Engineering, Tokushima University, 2-1 Minami-Josanjima, Tokushima, Japan

Abstract

Synchronization phenomena in coupled oscillatory systems are very important models to describe various higher-dimensional nonlinear phenomena in the field of natural science. In this paper, phase synchronization in a ring of van der Pol oscillators coupled by time-varying resistors is studied. The coexistence of in-phase and anti/N-phase states and various interesting phase synchronization patterns are observed when the parameters are changed. Further, the influence of duty cycle of time-varying resistors for the observed phase synchronization patterns is investigated.

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Hardware and Architecture,Electrical and Electronic Engineering,Hardware and Architecture

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