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Bursting oscillations induced by multiple coexisting attractors in a modified 3D van der Pol-Duffing system

  • Bin Zhang
  • , Xiaofang Zhang
  • , Wenan Jiang*
  • , Hu Ding
  • , Liqun Chen
  • , Qinsheng Bi
  • *Corresponding author for this work
  • Jiangsu University
  • Shanghai University

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, a novel three-dimensional modified van der Pol-Duffing circuit with a quintic nonlinear resistor is proposed, and the multiple stable attractors are observed. The complex bursting patterns are investigated, various patterns of bursting oscillations are obtained under slowly changing frequency, and the transition mechanism of which can be revealed via the modified slow–fast analysis as well as the transformed phase portrait. It can be found that for the system with mono-stability, only one bursting pattern exists, while for the case with multi-stability, the trajectory can enter into different attraction areas in the transition region, leading to complex forms of bursting oscillations. Furthermore, the multi-valued characteristic of the system are observed by the domain of attraction.

Original languageEnglish
Article number106806
JournalCommunications in Nonlinear Science and Numerical Simulation
Volume116
DOIs
StatePublished - Jan 2023
Externally publishedYes

Keywords

  • Bursting oscillations
  • Coexisting attractors
  • Domain of attraction
  • Multiple stability

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