Multistability in a quasiperiodically forced piecewise smooth dynamical system

Gaolei Li, Yuan Yue*, Jianhua Xie, Celso Grebogi

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Considering a class of quasiperiodically forced piecewise smooth systems, we uncover a dynamic phenomenon in which strange nonchaotic attractors (SNAs) and quasiperiodic attractors coexist in nonsmooth dynamical system, obtaining the domains of attraction of these coexisting attractors in parameter space in order to analyze the global dynamics. The global dynamics analysis demonstrates that SNAs are the transition from quasiperiodic attractors to chaotic attractors. The routes to SNAs, including torus-doubling route, torus fractalization route or, simply, fractal route, and intermittency route, are also investigated. The characteristics of SNAs are described by dynamical invariants such as the Lyapunov exponent, power spectrum, phase sensitivity and rational approximations.

Original languageEnglish
Article number105165
Number of pages20
JournalCommunications in Nonlinear Science and Numerical Simulation
Volume84
Early online date7 Jan 2020
DOIs
Publication statusE-pub ahead of print - 7 Jan 2020

Fingerprint

Multistability
Strange attractor
Dynamical systems
Dynamical system
Attractor
Global Dynamics
Power spectrum
Fractals
Dynamic analysis
Torus
Global Analysis
Rational Approximation
Domain of Attraction
Intermittency
Chaotic Attractor
Doubling
Power Spectrum
Dynamic Analysis
Lyapunov Exponent
Parameter Space

Keywords

  • Coexisting attractors
  • Global dynamics
  • Phase sensitivity
  • Piecewise smooth system
  • Strange nonchaotic attractors

ASJC Scopus subject areas

  • Numerical Analysis
  • Modelling and Simulation
  • Applied Mathematics

Cite this

Multistability in a quasiperiodically forced piecewise smooth dynamical system. / Li, Gaolei; Yue, Yuan; Xie, Jianhua; Grebogi, Celso.

In: Communications in Nonlinear Science and Numerical Simulation, Vol. 84, 105165, 05.2020.

Research output: Contribution to journalArticle

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