Synchronization in Networks of Coupled Harmonic Oscillators with Stochastic Perturbation and Time Delays

Details Synchronization in Networks of Coupled Harmonic Oscillators with Stochastic Perturbation and Time Delays Synchronization in Networks of Coupled Harmonic Oscillators with Stochastic Perturbation and Time Delays

2009-09-28

arxiv.org/abs/0909.4987v1

Physics

Data Analysis, Statistics and Probability

9 pages 5 figures

Scientific paper

In this paper, we investigate synchronization of coupled second-order linear harmonic oscillators with random noises and time delays. The interaction topology is modeled by a weighted directed graph and the weights are perturbed by white noise. On the basis of stability theory of stochastic differential delay equations, algebraic graph theory and matrix theory, we show that the coupled harmonic oscillators can be synchronized almost surely with perturbation and time delays. Numerical examples are presented to illustrate our theoretical results.

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