基于电流传输器的四阶蔡氏混沌电路设计和仿真

J4 ›› 2018, Vol. 35 ›› Issue (2): 197-203.

基于电流传输器的四阶蔡氏混沌电路设计和仿真

王娟,摆玉龙,陈春梅,段济开

西北师范大学物理与电子工程学院，甘肃兰州 730070

收稿日期:2017-09-01 修回日期:2017-11-13 出版日期:2018-03-28 发布日期:2018-03-30
通讯作者: 摆玉龙（1973-），甘肃人，博士，教授，博士生导师，主要从事控制理论与应用方面的研究。 E-mail：yulongbai@gmail.com
作者简介:王娟（1992-），女，青海人，研究生，主要从事混沌电路方面的研究。E-mail：wjua_xs@126.com
基金资助:
Supported by National Natural Science Foundation of China (国家自然科学基金, 41461078）

Design and simulation of fourth-order Chua's circuit based on current conveyors

WANG Juan, BAI Yulong, CHEN Chunmei, DUAN Jikai

College of Physics and Electrical Engineering, Northwest Normal University, Lanzhou 730070, China

Received:2017-09-01 Revised:2017-11-13 Published:2018-03-28 Online:2018-03-30

摘要/Abstract

摘要： 针对典型蔡氏电路参数变化范围小及普通运放不适用于高频电路的缺点，提出利用电流传输器设计四阶蔡氏混沌电路的方法。对典型蔡氏电路进行变形，得到一种四阶蔡氏电路。用电流传输器实现了四阶蔡氏电路的非线性电阻和仿真电感，扩大参数调节范围的同时提高了电路的工作频率与稳定性。设计了一个保密通信电路，实现了对信息信号的保密。用PSPICE软件对电路进行了仿真，证明了该方法的可行性。

关键词: 四阶蔡氏电路；电流传输器；保密通信；设计与仿真

Abstract: Aiming at the disadvantages that the typical Chua's chaotic circuit has a small range of parameters and does not applicable to high frequency circuits, a method is proposed to design the fourth-order Chua's chaotic circuit by using current conveyors. A fourth-order Chua's circuit is realized by deforming the typical Chua's circuit, and the nonlinear resistor and simulated inductor in fourth-order Chua's circuit are realized with current conveyors. The adjusting range of parameters is extended, and the work frequency and stability of the circuit are improved. A secure communication circuit is designed to encrypt the information signal. The circuit is simulated with PSPICE software, which proves the feasibility of proposed method.

Key words: fourth-order Chua's circuit; current conveyors; secure communications; design and simulation

中图分类号:

TN710.1

王娟摆玉龙陈春梅段济开. 基于电流传输器的四阶蔡氏混沌电路设计和仿真[J]. J4, 2018, 35(2): 197-203.

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