A circuit for automatic measurement of bifurcation diagram in nonlinear electronic oscillators.

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dc.contributor.authorRicco, Rodrigo Augusto
dc.contributor.authorVerly, Anny
dc.contributor.authorAmaral, Gleison Fransoares Vasconcelos
dc.date.accessioned2018-01-18T13:43:32Z
dc.date.available2018-01-18T13:43:32Z
dc.date.issued2016
dc.description.abstractExperimental bifurcation diagram is very helpful to describe the global behaviour of nonlinear electronic oscillators. The diagram allows insight gain of the oscillators behaviour for a parameter variation. However, when the bifurcation parameter is a resistance, experimental bifurcation diagrams are hard to achieve. In this case, if the potentiometer resistance has been used to change the gain, it is possible to replace the potentiometer by an alternative circuit using operational transconductance amplifier. This kind of circuit is presented in this work and experimental results are provided to piecewise affine Rössler electronic oscillator. The results obtained show a very good matching with the theoretical diagram. Then, if the bifurcation parameter is a resistance, voltage or current, we have implemented a circuit to extract the experimental bifurcation diagram of all nonlinear electronic oscillators.pt_BR
dc.identifier.citationRICCO, R. A.; VERLY, A.; AMARAL, G. F. V. A circuit for automatic measurement of bifurcation diagram in nonlinear electronic oscillators. Revista IEEE América Latina, v. 14, p. 3042-3047, 2016. Disponível em: <http://ieeexplore.ieee.org/document/7587600/>. Acesso em: 02 out. 2017.pt_BR
dc.identifier.doihttps://doi.org/10.1109/TLA.2016.7587600
dc.identifier.issn1548-0992
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/9273
dc.identifier.uri2http://ieeexplore.ieee.org/document/7587600/pt_BR
dc.language.isoen_USpt_BR
dc.rightsrestritopt_BR
dc.subjectOperational Transconductance Amplifierspt_BR
dc.subjectAutomatic gain controlpt_BR
dc.subjectNonlinear dynamical systemspt_BR
dc.titleA circuit for automatic measurement of bifurcation diagram in nonlinear electronic oscillators.pt_BR
dc.typeArtigo publicado em periodicopt_BR
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