Abstract
This work deals with the periodic orbit bifurcations of a T-periodic perturbed piecewise smooth system whose unperturbed part has a generalized heteroclinic loop connecting a hyperbolic critical point and a quadratic tangential singularity. By constructing several displacement functions that depend on perturbation parameter \(\varepsilon \) and time t, sufficient conditions of the existence of a homoclinic loop and a sliding generalized heteroclinic loop (that is a generalized heteroclinic loop a part of which lies on the switching manifold) are obtained. As the application, we give a concrete example to show that under suitable perturbations of the generalized heteroclinic loop the corresponding phenomena can appear.
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Acknowledgements
This work is supported by the National Natural Science Foundation of China (Grant No. 12171056), the Natural Science Foundation of Hunan Province, China (Grant No. 2021JJ30698), and the Research Foundation of Education Bureau of Hunan Province, China(Grant No. 20B018).
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Wu, F., Huang, L. & Wang, J. Bifurcations of a Generalized Heteroclinic Loop in a Planar Piecewise Smooth System with Periodic Perturbations. Qual. Theory Dyn. Syst. 21, 29 (2022). https://doi.org/10.1007/s12346-021-00554-x
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DOI: https://doi.org/10.1007/s12346-021-00554-x