Computer Science ›› 2024, Vol. 51 ›› Issue (11A): 240300056-6.doi: 10.11896/jsjkx.240300056

• Interdiscipline & Application • Previous Articles     Next Articles

Study on Multi-wing Transient Chaotic Systems and Finite Time Synchronization

YANG Yang1, BAI Yulong2, LI Yan 1, HUO Tingting1   

  1. 1 School of Physics and Electronic Information Engineering,Ningxia Normal University,Guyuan,Ningxia 756000,China
    2 School of Physics and Electronic Engineering,Northwest Normal University,Lanzhou 730070,China
  • Online:2024-11-16 Published:2024-11-13
  • About author:YANG Yang,born in 1995,master,assistant professor.Her main research interests include nonlinear circuit and signal processing.
  • Supported by:
    National Natural Science Foundation of China(42371377) and Ningxia Normal University Key Laboratory of Solid Microstructure and Function.

Abstract: A three-dimensional chaotic system that can generate multi-wing attractors is constructed.Through the analysis of the phase portraits,Lyapunov exponent spectra,bifurcation diagrams,and complexity,it is found that the system exhibits complex dynamical characteristics.By studying multiple sets of parameters,it is discovered that the system exhibits diverse multi-wing attractors,and the topological structure of the attractors changes from four-wing to double-wing,and then back to four-wing.In addition,the system exhibits coexistence of transients and attractors.Multisim is used to perform circuit simulations of the system,and the experimental results are consistent with the numerical analysis,verifying the feasibility of the chaotic system implementation.Finally,based on the finite time theory,a synchronization controller is designed to realize the finite time synchronization of different structures,which provides a good basis for chaotic secure communication.

Key words: Multi-wing attractor, Transient chaos, Coexisting attractor, Circuit simulation, Finite time synchronization

CLC Number: 

  • O415.5
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