Dynamical analysis and secure communication application of parameter-controlled multiscroll attractors in memristive chaotic system

IF 2.5 3区工程技术 Q3 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

Integration-The Vlsi Journal Pub Date : 2025-10-10 DOI:10.1016/j.vlsi.2025.102577

Yijin Liu, Qiang Lai, Huangtao Wang, Yongxian Zhang

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引用次数: 0

Abstract

The nonlinear constitutive relations and multistable memory characteristics of memristors that render them ideal for chaotic systems, this paper introduces the modular arithmetic operations to the memristor and constructs a parameter controlled multiscroll memristive chaotic system (PCMMCS). The unique nonlinearity of modular arithmetic operations endows the system with distinctive dynamical behaviors. Specifically, PCMMCS exhibits a multiplicity of equilibrium points, the types and locations can be regulated via parametric modulation. This mechanism enables precise control over the number of multiscroll attractors, thereby establishing a direct parametric dependency for attractor configuration. The heterogeneous, homogeneous coexisting attractors and infinite coexisting attractors in the system are formatted via initial value manipulation. A hardware realization of the system has been developed, with multiscroll attractor dynamics successfully observed and characterized on an oscilloscope. The PCMMCS was further developed into a dynamic carrier-differential frequency chaos keying (DC-DFCK) secure communication scheme, and experimental results confirming its operational validity, thereby demonstrating the practical applicability of PCMMCS.

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忆阻混沌系统中参数控制多涡旋吸引子的动力学分析及安全通信应用

由于忆阻器的非线性本构关系和多稳记忆特性使其成为混沌系统的理想器件，本文将模运算引入到忆阻器中，构造了一个参数控制的多涡旋忆阻混沌系统。模运算特有的非线性特性赋予了系统独特的动力学行为。具体来说，PCMMCS具有多重平衡点，其类型和位置可以通过参数调制来调节。这种机制可以精确控制多卷轴吸引子的数量，从而为吸引子配置建立直接的参数依赖关系。通过初始值处理对系统中的异质、同质和无限共存吸引子进行了格式化。开发了系统的硬件实现，并在示波器上成功地观察和表征了多涡旋吸引子的动态。将PCMMCS进一步发展为动态载波-差频混沌键控（DC-DFCK）保密通信方案，实验结果验证了其运行有效性，从而证明了PCMMCS的实际适用性。

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来源期刊

Integration-The Vlsi Journal 工程技术-工程：电子与电气

CiteScore

3.80

自引率

5.30%

发文量

107

审稿时长

6 months

期刊介绍： Integration''s aim is to cover every aspect of the VLSI area, with an emphasis on cross-fertilization between various fields of science, and the design, verification, test and applications of integrated circuits and systems, as well as closely related topics in process and device technologies. Individual issues will feature peer-reviewed tutorials and articles as well as reviews of recent publications. The intended coverage of the journal can be assessed by examining the following (non-exclusive) list of topics: Specification methods and languages; Analog/Digital Integrated Circuits and Systems; VLSI architectures; Algorithms, methods and tools for modeling, simulation, synthesis and verification of integrated circuits and systems of any complexity; Embedded systems; High-level synthesis for VLSI systems; Logic synthesis and finite automata; Testing, design-for-test and test generation algorithms; Physical design; Formal verification; Algorithms implemented in VLSI systems; Systems engineering; Heterogeneous systems.