期刊
ELECTRONICS
卷 8, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/electronics8111211
关键词
chaotic system; close curve equilibrium; multistability; electronic circuit; FPGA
资金
- Ministry of Research and Higher Education, Republik of Indonesia through Penelitian Kerja Sama Antar Perguruan Tinggi [2891/L4/PP/2019]
This paper introduces a new chaotic system with two circles of equilibrium points. The dynamical properties of the proposed dynamical system are investigated through evaluating Lyapunov exponents, bifurcation diagram and multistability. The qualitative study shows that the new system exhibits coexisting periodic and chaotic attractors for different values of parameters. The new chaotic system is implemented in both analog and digital electronics. In the former case, we introduce the analog circuit of the proposed chaotic system with two circles of equilibrium points using amplifiers, which is simulated in MultiSIM software, version 13.0 and the results of which are in good agreement with the numerical simulations using MATLAB. In addition, we perform the digital implementation of the new chaotic system using field-programmable gate arrays (FPGA), the experimental observations of the attractors of which confirm its suitability to generate chaotic behavior.
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