Five-order voltage-controlled memristor-based Chua's chaotic signal generator

A chaotic signal and generator technology, which is applied in secure communication through chaotic signals, secure communication devices, digital transmission systems, etc., can solve the problems of insignificant chaotic characteristics and low complexity of chaotic signal topology structure, and achieves significant chaotic characteristics, The effect of promoting development and easy physical realization

Pending Publication Date: 2018-03-20
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0005] Compared with the chaotic signal generator based on memristor, the traditional chaotic signal generator has low topology complexity and insignificant chaotic characteristics, which have certain limitations in practical engineering applications.

Method used

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  • Five-order voltage-controlled memristor-based Chua's chaotic signal generator
  • Five-order voltage-controlled memristor-based Chua's chaotic signal generator
  • Five-order voltage-controlled memristor-based Chua's chaotic signal generator

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Embodiment Construction

[0030] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0031] This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.

[0032] Such as figure 1 As shown, the present invention discloses a fifth-order voltage-controlled memristor Chua's chaotic signal generator, which includes a non-ideal voltage-controlled memristor equivalent realization circuit W and a capacitor C 1 , capacitance C 2 , resistance R, inductance L 1 and inductance L 2 ; Among them, the positive and negative poles of the non-ideal voltage-controlled memristor equivalent realization circuit W are respectively connected with the capaci...

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Abstract

The invention discloses a five-order voltage-controlled memristor-based Chua's chaotic signal generator. The chaotic signal generator is achieved by connecting an inductor in a coupling resistor branch circuit of a classic Chua's circuit in series and directly adopting a non-ideal voltage-controlled memristor to replace a non-linear resistor element-Chua's diode in the classic Chua's circuit. Thecircuit comprises the classic Chua's circuit and the non-ideal voltage-controlled memristor equivalent realization circuit. According to the five-order voltage-controlled memristor-based Chua's chaotic signal generator, complex non-linear phenomena such as chaotic attractors and periodic limit cycles can be generated by adjusting parameters of circuit elements, so that a novel chaotic signal generator is achieved; and generated chaotic signals are high in stability, have the significant chaotic characteristic and achieve a great pushing effect on development of a memristor-based chaotic circuit in practical engineering application.

Description

technical field [0001] The invention relates to a chaotic signal generator, in particular to a novel fifth-order voltage-controlled memristor Cai's chaotic signal generator. Background technique [0002] Chaos theory has developed rapidly over the past few decades. An important feature of chaos research is that it crosses scientific boundaries, is a science about process and evolution, and embodies the interaction of mathematical science and technology. Chaos is everywhere in life, in the atmosphere, in ocean turbulence, in the vibrations of the heart and brain, and more. With the continuous development of chaos theory, chaos has broad application prospects in the fields of bioengineering, mechanical engineering, electronic engineering, data encryption, chaotic encryption, secure communication, and dynamic analysis of power grids. [0003] Chua's circuit is a very simple nonlinear chaotic circuit, which is named after Cai Shaotang, a Chinese scientist at the University of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00
CPCH04L9/001
Inventor 林毅刘文波
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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