期刊
MATHEMATICS AND COMPUTERS IN SIMULATION
卷 109, 期 -, 页码 32-45出版社
ELSEVIER
DOI: 10.1016/j.matcom.2014.08.001
关键词
Multistability; Hidden attractor; Multilevel DC/DC converter; High feedback gain; Border-collision bifurcations
类别
资金
- Department of Physics of the Technical University of Denmark
An attracting periodic, quasiperiodic or chaotic set of a smooth, autonomous system may be referred to as a hidden attractor if its basin of attraction does not overlap with the neighborhood of an unstable equilibrium point. Historically, this condition has implied that the basin of attraction for the hidden set in most cases has been so complicated that special analytic and/or numerical techniques have been required to locate the set. By simulating the model of a multilevel DC/DC converter that operates in the regime of high feedback gain, the paper illustrates how pulse-width modulated control can produce complicated structures of attracting and repelling states organized around the basic switching cycle. This leads us to suggest the existence of hidden attractors in such systems as well. In this case, the condition will be that the basin of attraction does not overlap with the fixed point that represents the basic switching cycle. (C) 2014 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved.
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