[1]李登辉,闵富红,马美玲.基于FPGA技术的混沌系统设计与实现[J].南京师范大学学报(工程技术版),2015,15(01):008-14.
　Li Denghui,Min Fuhong,Ma Meiling.The Design and Implementation of Chaotic SystemBased on FPGA Technology[J].Journal of Nanjing Normal University(Engineering and Technology),2015,15(01):008-14.
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基于FPGA技术的混沌系统设计与实现
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
15卷
期数:
2015年01期
页码:
008-14
栏目:
电气与自动化工程
出版日期:
2015-03-20

文章信息/Info

Title:
The Design and Implementation of Chaotic SystemBased on FPGA Technology
作者:
李登辉; 闵富红; 马美玲
南京师范大学电气与自动化工程学院,江苏 南京 210042
Author(s):
Li Denghui; Min Fuhong; Ma Meiling
School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210042,China
关键词:
混沌系统; FPGA; Verilog HDL; DSP-Builder
Keywords:
chaotic system; FPGA; Verilog HDL; DSP-Builder
分类号:
TP391.3
文献标志码:
A
摘要:
以经典的Lorenz系统为研究对象,利用FPGA数字信号处理技术实现Lorenz混沌系统,减少了外界因素的干扰. 首先,对Lorenz连续系统的方程进行分解,得到离散化状态方程,接着基于DSP-Builder软件开发平台获得系统的电路模型,该模型可直接转化为VHDL语言; 其次,采用硬件描述语言(Verilog HDL)直接编程的形式,对系统进行验证,并从示波器中观测到Lorenz系统的混沌波形. 通过比较上述2种实现混沌系统的方法,总结其优缺点及适用范围,为进一步利用FPGA实现一类非线性系统及相关领域的研究提供实用的方法.
Abstract:
In this paper,the chaotic Lorenz system is carried out through FPGA technology,which can decrease the deviation from the expected effect. Firstly,the differential equation is decomposed in discretized equation,and then the circuit model by DSP-Builder software platform is obtained,which can be translated directly into the VHDL language. Secondly,Lorenz system is tested through the program in hardware description languages,i.e.Verilog HDL. By analyzing the simulation results of the above two methods,the advantages and disadvantages are summarized,respectively. These results provides a reference method to achieve the research in nonlinear system by using FPGA.

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备注/Memo

备注/Memo:
收稿日期:2014-09-21.基金项目:国家自然科学基金(51475246)、江苏省自然科学基金(BK20131402)、教育部留学回国人员科研启动基金(教育司[2012]1707号)和江苏省六大人才高峰资助课题. 通讯联系人:闵富红,博士,副教授,研究方向:非线性电路分析与控制. E-mail:minfuhong@njnu.edu.cn
更新日期/Last Update: 2015-03-30