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Coexisting Tori and Torus Bubbling in Non-smooth Systems by Zhanybai T. Zhusubaliyev; Olga O. Yanochkina; Erik Mosekilde is a Physics and Astronomy article available to read on EtoBox.

What is Coexisting Tori and Torus Bubbling in Non-smooth Systems about?

Pulse modulated power electronic converters represent an important class of piecewise-smooth dynamical systems with a broad range of applications in modern power supply systems. The paper presents a detailed investigation of a number of unusual bifurcation phenomena that can occur in power converters with multilevel control. In the first example a closed invariant curve arises in a border-collision bifurcation as a period-6 saddle cycle collides with a stable fixed point of focus type and transforms it into an unstable focus point. The second example involves the formation of a structure of coexisting tori through the interplay between border-collision and global bifurcations. We examine the behavior of the system in the presence of two coexisting stable resonance tori and finally show how an existing torus can develop heteroclinic bubbles that connect the points of a stable resonance cycle with an external pair of saddle and focus cycles. The appearance of these structures is explained in terms of a sequence torus-birth bifurcations with pairs of stable and unstable tori folding one over the other.

Who reads Coexisting Tori and Torus Bubbling in Non-smooth Systems?

Author

Zhanybai T. Zhusubaliyev; Olga O. Yanochkina; Erik Mosekilde

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0167-2789)

Published

2011

Language

EN

Field

Physics and Astronomy (Physical Sciences)