Journal
IEEE ACCESS
Volume 9, Issue -, Pages 29573-29583Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2021.3058506
Keywords
Chaos; Bifurcation; Oscillators; Integrated circuit modeling; Electronic circuits; Transistors; Mathematical model; Chaos; imperfect systems; non-ideality; nonlinear circuits; nonlinear dynamics
Categories
Funding
- Fondi di ateneo 2020-2022, Universita di Catania, linea Open Access
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This research explores the possibility of designing imperfect electronic circuits to generate chaotic flow, where imperfections can lead to unexpected complex behaviors. By tuning a variable resistor, specific bandwidths of chaotic flow can be achieved. A strategy for estimating hidden dynamic parameters and synchronizing chaotic circuits is proposed.
The realization of integrated devices determines unavoidable imperfections which are linked to the manufacturing process, thus making them imperfect systems. Imperfection is not always detrimental, as it can lead to unexpected complex and organized behaviors. In this paper we explore the possibility of designing imperfect electronic circuits producing a chaotic flow with bandwidth up to the order to several megahertz thanks to the hidden dynamics induced by construction imperfections, and whose characteristics can be tuned by means of a single variable resistor, acting as bifurcation parameter. Moreover, a strategy to estimate the parameters of the hidden dynamics is devised and the synchronization of imperfect chaotic circuits is shown. The paper further remarks that imperfection can play an important role in the realization of robust chaos generators based on simple circuits.
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