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蔡氏混沌电路在Multisim软件中的设计与仿真
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摘要:
经典的蔡氏电路是一个简单混沌电路,能够产生丰富的混沌现象,然而该电路的系统参数基本上是固定的,不同混沌电路之间的电路不具备通用性。基于此,本文提出在Multisim仿真软件上通过模块化的设计方法重构蔡氏混沌电路,利用常见的运算放大器、电阻、电容电子元件组成混沌系统的线性部分,着重介绍了如何利用多个二极管实、运放等实现复杂绝对值非线性函数,并给出蔡氏混沌电路相应的硬件仿真结果。
关键词:  蔡氏混沌系统  分段线性函数  绝对值电路  Multisim仿真
DOI:
基金项目:
Design and Simulation of Chua chaotic circuit by Multisim software
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Abstract:
The classic Chua chaos circuit is very simple circuit which is capable of generating the chaotic signals. However its parameters of the circuit is essentially fixed, and do not have versatility between different chaotic circuits. The paper provides the reconstruction of Chua's chaotic circuit by method of modular design based on Multisim software. The linear part of the chaotic system is made of operational amplifiers, resistors, capacitors. It emphatically introduces how to use multiple diodes and operational amplifiers achieving nonlinear absolute value function, and gives the corresponding hardware simulation results of Chua circuit.
Key words:  Chua chaotic system  piecewise linear function  absolute value circuit  Multisim simulation

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