Modelado y Simulación de un Oscilador Caótico usando MatLab (Modeling and simulation of a chaotic oscillator by MATLAB)

Esteban Tlelo-Cuautle (e.tlelo@ieee.org), Miguel Aurelio Duarte-Villaseñor (miauduvi@inaoep.mx), Johana María García-Ortega (gojohana@inaoep.mx)


Instituto Nacional de Astrofísica, Optica y Electrónica (INAOE)
This paper appears in: Revista IEEE América Latina

Publication Date: May 2007
Volume: 5,   Issue: 2 
ISSN: 1548-0992


Abstract:
A MATLAB-based system is presented to model and simulate a chaotic oscillator. Chua’s circuit is selected to describe the chaos phenomenon. Furthermore, the nonlinear resistor (Chua’s diode) is modeled by an I-V piecewise-linear characteristic whose current and voltage ranges can be varied by the user. It is shown how to generate a sequence of chaotic behaviors by varying the value of a linear resistor. The simulation results can be plotted in a 2D and 3D graphs. Finally, it is described the synthesis of the chaotic oscillator by using standard CMOS integrated-circuit technology.

Index Terms:
Operational amplifier, integrated circuit technology, filters   


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