STABILITY BOUNDARY CHARACTERIZATION OF NONLINEAR AUTONOMOUS DYNAMICAL SYSTEMS IN THE PRESENCE OF A SUPERCRITICAL HOPF EQUILIBRIUM POINT

Author:

GOUVEIA JOSAPHAT R. R.1,AMARAL FABÍOLO MORAES1,ALBERTO LUÍS F. C.2

Affiliation:

1. Mathematics of Collegiate, College Eunápolis – Federal Institute of Bahia, 458222-000, Eunápolis, BA, Brazil

2. University of São Paulo, School of Engineering of São Carlos, Department of Electrical Engineering, 13.566-590 São Carlos, São Paulo, Brazil

Abstract

A complete characterization of the boundary of the stability region (or area of attraction) of nonlinear autonomous dynamical systems is developed admitting the existence of a particular type of nonhyperbolic equilibrium point on the stability boundary, the supercritical Hopf equilibrium point. Under a condition of transversality, it is shown that the stability boundary is comprised of all stable manifolds of the hyperbolic equilibrium points lying on the stability boundary union with the center-stable and\or center manifolds of the type-k, k ≥ 1, supercritical Hopf equilibrium points on the stability boundary.

Publisher

World Scientific Pub Co Pte Lt

Subject

Applied Mathematics,Modeling and Simulation,Engineering (miscellaneous)

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