A New 4D Hyperchaotic System and Its Analog and Digital Implementation

被引：14

作者：

Daniel Mendez-Ramirez, Rodrigo ^{[1
]}

Arellano-Delgado, Adrian ^{[2
]}

Angel Murillo-Escobar, Miguel ^{[3
]}

Cruz-Hernandez, Cesar ^{[1
]}

机构：

[1] Sci Res & Adv Studies Ctr Ensenada CICESE, Elect & Telecommun Dept, Ensenada 22860, Baja California, Mexico

[2] Autonomous Univ Baja California, CONACYT UABC Engn Architecture & Design Fac, Ensenada 22860, Baja California, Mexico

[3] Autonomous Univ Baja California UABC, Engn Architecture & Design Fac, Ensenada 22860, Baja California, Mexico

来源：

ELECTRONICS | 2021年 / 10卷 / 15期

关键词：

hyperchaotic system; DSP; dsPIC; bifurcation diagram; Lyapunov exponent; embedded system; SPI; DAC; CHAOS; EQUATION;

D O I：

10.3390/electronics10151793

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This work presents a new four-dimensional autonomous hyperchaotic system based on Mendez-Arellano-Cruz-Martinez (MACM) 3D chaotic system. Analytical and numerical studies of the dynamic properties are conducted for the new hyperchaotic system (NHS) in its continuous version (CV), where the Lyapunov exponents are calculated. The CV of the NHS is simulated and implemented using operational amplifiers (OAs), whereas the Discretized Version (DV) is simulated and implemented in real-time. Besides, a novel study of the algorithm performance of the proposed DV of NHS is conducted with the digital-electronic implementation of the floating-point versus Q1.15 fixed-point format by using the Digital Signal Processor (DSP) engine of a 16-bit dsPIC microcontroller and two external dual digital to analog converters (DACs) in an embedded system (ES).

引用

页数：18

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