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| 蔡氏电路方程的离散化与数字电路实现* | |
| 引用本文： | 徐强,包伯成,杨晓云,卜沛霞. 蔡氏电路方程的离散化与数字电路实现*[J]. 计算机应用研究, 2011, 28(6): 2158-2160. DOI: 10.3969/j.issn.1001-3695.2011.06.043 |
| 作者姓名： | 徐强 包伯成 杨晓云 卜沛霞 |
| 作者单位： | 1. 常州工学院,计算机信息工程学院,江苏,常州,213002 2. 常州大学,信息科学与工程学院,江苏,常州,213164 3. 江苏技术师范学院,电气信息工程学院,江苏,常州,213001 |
| 基金项目： | 省自然科学基金资助项目 |
| 摘 要： | 本文提出了一种蔡氏电路方程的数字电路实现方法。利用欧拉算法、改进型欧拉算法和四阶龙格-库塔算法进行离散化近似处理，分别得到了一般混沌系统的离散迭代模型，由此导出了蔡氏电路方程在不同近似精度下的离散迭代模型。基于微控制器实现的混沌系统嵌入式数字集成平台，生成了所期望的蔡氏混沌信号，并比较了基于不同算法的蔡氏电路方程的数字电路实现的性能。数值仿真和数字电路实验结果与蔡氏混沌电路结果一致，验证了本文数字电路实现方法的可行性。 |
| 关 键 词： | 蔡氏电路方程；算法；数值仿真；电路实现 |
| 收稿时间： | 2010-11-09 |
| 修稿时间： | 2010-12-03 |
Discretization and digital circuit realization of Chua's circuit equation |
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| XU Qiang,BAO Bo-cheng,YANG Xiao-yun,BU Pei-xia. Discretization and digital circuit realization of Chua's circuit equation[J]. Application Research of Computers, 2011, 28(6): 2158-2160. DOI: 10.3969/j.issn.1001-3695.2011.06.043 | |
| Authors: | XU Qiang BAO Bo-cheng YANG Xiao-yun BU Pei-xia |
| Affiliation: | XU Qiang1,BAO Bo-cheng2,YANG Xiao-yun1,BU Pei-xia3(1.School of Computer & Information Engineering,Changzhou Institute of Technology,Changzhou Jiangsu 213002,China,2.School of Information Science & Engineering,Changzhou University,Changzhou Jiangsu 213164,3.School of Electrical & Information Engineering,Jiangsu Teachers University of Technology,Changzhou Jiangsu 213001,China) |
| Abstract: | This paper proposed a digital circuit realization approach of Chua's circuit equation.By utilizing Euler's,the improved Euler's,and the Runge-Kutta algorithms,established the discrete iterative models of general chaotic system respectively,from which the discrete iterative models of Chua's circuit equation with different approximate precisions were deduced.Based on the chaotic system embedded digital integrated platform realized by microcontroller,the desired Chua's chaotic signals were generated and compar... |
| Keywords: | Chua's circuit equation algorithm numerical simulation circuit realization |
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