Symmetries impact in chaotification of piecewise smooth systems

Djamila Benmerzouk 1 Jean-Pierre Barbot 2, 3
1 Departement de Mathématique
Département de Mathematiques [Tlemcen]
3 NON-A - Non-Asymptotic estimation for online systems
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Abstract : This paper is devoted to a mathematical analysis of a route to chaos for bounded piecewise smooth systems of dimension three subjected to symmetric non-smooth bifurcations. This study is based on period doubling method applied to the associated Poincaré maps. Those Poincaré maps are characterized taking into account the symmetry of the transient manifolds. The corresponding Poincaré sections are chosen to be transverse to these transient manifolds, this particular choice takes into account the fact that the system dynamics crosses the intersection of both manifolds. In this case, the dimension of the Poincaré map (defined as discrete map of dimension two) is reduced to dimension one in this particular neighborhood of transient points. This dimension reduction allows us to deal with the famous result "period three implies chaos". The approach is also highlighted by simulations results applied particularly to Chua circuit subjected to symmetric grazing bifurcations.
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Djamila Benmerzouk, Jean-Pierre Barbot. Symmetries impact in chaotification of piecewise smooth systems. Nonlinear Dynamics and Systems Theory, Informath Publishing Group, 2016, Nonlinear Dynamics and Systems Theory, 16 (2), pp.149-164. ⟨hal-01322942⟩

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