期刊
CHAOS SOLITONS & FRACTALS
卷 152, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2021.111324
关键词
Memristor laser chaos; Coexistence attractors; Analog circuit implementation; DSP Implementation
资金
- Provincial Natural Science Foundation of Liaoning [2020-MS-274]
- National Natural Science Foundation of China [62061014]
In this paper, a new 3-D non-autonomous fractional memristive laser chaotic system is proposed, with the compound nonlinear term and differential equations solved by the ADM method. The chaotic features and multiple stability of the system are studied, and analog simulation circuits and digital DSP are designed and verified through implementation methods.
In this paper, a 3-D non-autonomous fractional memristive laser chaotic system which contains a compound nonlinear term multiplied by an absolute value function and a sine function is proposed. The compound nonlinear term and the differential equations of the system are decomposed and solved by the ADM. The chaotic feature of this system is studied by bifurcation diagram and Lyapunov exponential spectrum, and the multiple stability of the system is discovered and analyzed. Besides, the analog simulation circuit and digital DSP corresponding to the new fractional-order memristive system are designed, and this chaotic system is verified by two implementation methods. This research results will provide new research ideas and a theoretical basis for the circuit realization of non-autonomous chaotic systems. (c) 2021 Elsevier Ltd. All rights reserved.
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