Study of periodic orbits in periodic perturbations of planar reversible Filippov systems having a two-fold cycle

12 Jun 2020  ·  Novaes Douglas D., Seara Tere M., Teixeira Marco A., Zeli Iris O. ·

We study the existence of periodic solutions in a class of planar Filippov systems obtained from non-autonomous periodic perturbations of reversible piecewise smooth differential systems. It is assumed that the unperturbed system presents a simple two-fold cycle, which is characterized by a closed trajectory connecting a visible two-fold singularity to itself... It is shown that under certain generic conditions the perturbed system has sliding and crossing periodic solutions. In order to get our results, Melnikov's ideas were applied together with tools from the geometric singular perturbation theory. Finally, a study of a perturbed piecewise Hamiltonian model is performed. read more

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Dynamical Systems