Search Results - "de Souza, Silvio L.T."
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1
Chaotic dynamics in memristive circuits
Published in Revista Brasileira de Ensino de Física (2023)“…Memristors (abbreviation of memory and resistor), introduced as the fourth fundamental electrical circuit element, remember the electric charge that flowed…”
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2
Effect of two vaccine doses in the SEIR epidemic model using a stochastic cellular automaton
Published in Physica A (01-07-2022)“…In this work, to support decision making of immunisation strategies, we propose the inclusion of two vaccination doses in the SEIR model considering a…”
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3
Unpredictability in seasonal infectious diseases spread
Published in Chaos, solitons and fractals (01-01-2023)“…In this work, we study the unpredictability of seasonal infectious diseases considering a SEIRS model with seasonal forcing. To investigate the dynamical…”
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4
Control attenuation and temporary immunity in a cellular automata SEIR epidemic model
Published in Chaos, solitons and fractals (01-02-2022)“…•A second wave of infections due to the relaxation of control measures is modeled.•Two rules for loss of immunity: a probabilistic rule and cases with immunity…”
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5
On the dynamical behaviour of a glucose-insulin model
Published in Chaos, solitons and fractals (01-02-2022)“…•In this research article, we study the dynamical behaviour of a mathematical model that considers the relationship between glucose and insulin…”
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Dynamics of epidemics: Impact of easing restrictions and control of infection spread
Published in Chaos, solitons and fractals (01-01-2021)“…•We investigate epidemic dynamics using a deterministic compartmental model and numerical simulations.•Examining the impact of easing restrictions on the…”
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7
Calculation of Lyapunov exponents in systems with impacts
Published in Chaos, solitons and fractals (01-02-2004)“…We apply a model based algorithm for the calculation of the spectrum of the Lyapunov exponents of attractors of mechanical systems with impacts. For that, we…”
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Bearing Fault Diagnosis Based on Collaborative Representation Using Projection Dictionary Pair
Published in Shock and vibration (2019)“…In state analysis of rolling bearings using collaborative representation theory, how to construct an excellent redundant dictionary to collaboratively…”
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9
Damping control law for a chaotic impact oscillator
Published in Chaos, solitons and fractals (01-04-2007)“…We apply a feedback control technique to suppress chaotic behavior in dissipative mechanical systems by using a small-amplitude damping signal. The control…”
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10
Spiral wave chimera states in regular and fractal neuronal networks
Published in Journal of physic, complexity (01-03-2021)“…Chimera states are spatial patterns in which coherent and incoherent patterns coexist. It was reported that small populations of coupled oscillators can…”
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11
Simulation of deterministic compartmental models for infectious diseases dynamics
Published in Revista Brasileira de Ensino de Física (2021)“…Infectious diseases are caused by pathogenic microorganisms and can spread through different ways. Mathematical models and computational simulation have been…”
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12
Controlling chaotic orbits in mechanical systems with impacts
Published in Chaos, solitons and fractals (2004)“…We stabilize desired unstable periodic orbits, embedded in the chaotic invariant sets of mechanical systems with impacts, by applying a small and precise…”
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13
Numerical simulations of the linear drift memristor model
Published in European physical journal plus (01-03-2019)“… Memristor is a passive element theoretically proposed by Leon Chua in the 1970’s. It started to receive attention after 2008, when researchers from the HP…”
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14
Noise-induced basin hopping in a vibro-impact system
Published in Chaos, solitons and fractals (01-04-2007)“…The dynamics of vibro-impact systems of engineering interest is numerically studied by means of a prototype consisting of an oscillating cart containing a ball…”
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15
Sudden changes in chaotic attractors and transient basins in a model for rattling in gearboxes
Published in Chaos, solitons and fractals (01-07-2004)“…We consider a model for rattling in single-stage gearbox systems with some backlash consisting of two wheels with a sinusoidal driving. The equations of…”
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16
Basins of Attraction and Transient Chaos in a Gear-Rattling Model
Published in Journal of vibration and control (01-09-2001)“…The authors numerically investigate basins of attraction of coexisting periodic and chaotic attrac tors in a gear-rattling impact model. These attractors are…”
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17
Noise-induced basin hopping in a gearbox model
Published in Chaos, solitons and fractals (01-12-2005)“…We investigate some dynamical effects of adding a certain amount of noise in a theoretical model for rattling in single-stage gearbox systems with a backlash,…”
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