| 基于FPGA的混沌系统设计与实现 |
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| 引用本文： | 王忠林,王光义.基于FPGA的混沌系统设计与实现[J].计算机工程与设计,2009,30(14). |
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| 作者姓名： | 王忠林 王光义 |
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| 作者单位： | 1. 滨州学院物理与电子科学系,山东,滨州,256603
2. 杭州电子科技大学,电子信息学院,浙江,杭州,310018 |
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| 基金项目： | 浙江省自然科学基金，山东省教育厅科技发展计划基金，滨州市科技发展计划基金，滨州学院基金 |
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| 摘 要： | 提出了一种基于FPGA平台和EDA开发工具实现混沌吸引子的方法.针对一个混沌系统,利用理论和数值仿真对系统的基本特性进行了分析.对系统的混沌状态进行了分析.为验证系统的混沌行为,在Matlab的Simulink下,利用DSPBuilder设计了一个电路,并转换成VHDL代码程序,用QuartusⅡ下载到FPGA硬件电路中进行了实验,实验结果与仿真结果完全一致.
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| 关 键 词： | 混沌系统 Lorenz系统 Lyapunov指数谱 现场可编程逻辑阵列(FPGA) |
Design and implementation of Chaotic system based on FPGA |
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| WANG Zhong-lin,WANG Guang-yi.Design and implementation of Chaotic system based on FPGA[J].Computer Engineering and Design,2009,30(14). |
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| Authors: | WANG Zhong-lin WANG Guang-yi |
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| Abstract: | A method for realizing a chaotic attractor is presented based on the platform of SIMULINK and the EDA tool. Some basic dynamical behaviors of a chaotic are analyzed by using theoretical analysis and numerical simulations. To verify the chaotic behaviors a circuit is designed using the DSP Builder in the environment of Simulink of Matlab. After transforming the circuit file into VHDL code, the VHDL file is downloaded into the FPGA target hardware. The experiment shows a good agreement between the system simulations and the experimental results. |
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| Keywords: | chaotic system Lorenz system Lyapunov exponents spectrum FPGA |
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