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Journal of applied research and technology
versão On-line ISSN 2448-6736versão impressa ISSN 1665-6423
Resumo
MUNOZ-PACHECO, J.M.; TLELO-CUAUTLE; FLORES-TIRO, I. E. e TREJO-GUERRA, R.. Experimental Synchronization of two Integrated Multi-scroll Chaotic Oscillators. J. appl. res. technol [online]. 2014, vol.12, n.3, pp.459-470. ISSN 2448-6736.
Chaotic oscillators have been implemented with a wide variety of discrete electronic devices and quite few realizations using integrated circuit technology. This article describes the synchronization of two chaotic oscillators already fabricated with complementary metal-oxide-semiconductor (CMOS) integrated circuit technology of 0.5um and generating 3- and 5-scrolls. In order to attain the synchronization, we use a master-slave topology with unidirectional coupling. Within this context, a system parameter iterates until the correlation coefficient computed between the chaotic signals generated by the master and slave systems approximates to unity. For the following parameter, its value depends on the standard deviations from the individual signals contrary to previous one. By combining those statistical relationships according to the number of system parameters, we can synchronize integrated chaotic oscillators. Theoretical model simulations of two chaotic oscillators generating 3- and 5-scrolls, and experimental results for two integrated 3-scroll chaotic oscillators validate this approach. Stability and error analysis are also included.
Palavras-chave : Chaos; Synchronization; Integrated Circuit; CMOS; Multi-scroll.