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Bifurcations and synchronization using an integrated programmable chaotic circuit

 

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Author: Delgado Restituto, Manuel 
Liñán Cembrano, Gustavo
Ceballos Cáceres, Joaquín Francisco
Rodríguez Vázquez, Ángel Benito
Department: Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Date: 1997
Published in: International Journal of Bifurcation and Chaos, 7 (8), 1737-1773.
Document type: Article
Abstract: This paper presents a CMOS chip which can act as an autonomous stand-alone unit to generate different real-time chaotic behaviors by changing a few external bias currents. In particular, by changing one of these bias currents, the chip provides different examples of a period-doubling route to chaos. We present experimental orbits and attractors, time waveforms and power spectra measured from the chip. By using two chip units, experiments on synchronization can be carried out as well in real-time. Measurements are presented for the following synchronization schemes: linear coupling, drive-response and inverse system. Experimental statistical characterizations associated to these schemes are also presented. We also outline the possible use of the chip for chaotic encryption of audio signals. Finally, for completeness, the paper includes also a brief description of the chip design procedure and its internal circuitry.
Cite: Delgado Restituto, M., Liñán Cembrano, G., Ceballos Cáceres, J.F. y Rodríguez Vázquez, Á.B. (1997). Bifurcations and synchronization using an integrated programmable chaotic circuit. International Journal of Bifurcation and Chaos, 7 (8), 1737-1773.
Size: 1.044Mb
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URI: https://hdl.handle.net/11441/76433

DOI: 10.1142/S0218127497001357

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