Modeling nonlinear dynamics and chaos: a review
LA Aguirre, C Letellier - Mathematical Problems in Engineering, 2009 - Wiley Online Library
This paper reviews the major developments of modeling techniques applied to nonlinear
dynamics and chaos. Model representations, parameter estimation techniques, data …
dynamics and chaos. Model representations, parameter estimation techniques, data …
Synchronization-based parameter estimation from time series
The parameters of a given (chaotic) dynamical model are estimated from scalar time series
by adapting a computer model until it synchronizes with the given data. This parameter …
by adapting a computer model until it synchronizes with the given data. This parameter …
TSR-VFD: Generating temporal super-resolution for unsteady vector field data
We present TSR-VFD, a novel deep learning solution that recovers temporal super-
resolution (TSR) of three-dimensional vector field data (VFD) for unsteady flow. In scientific …
resolution (TSR) of three-dimensional vector field data (VFD) for unsteady flow. In scientific …
On the non-equivalence of observables in phase-space reconstructions from recorded time series
C Letellier, J Maquet, L Le Sceller… - Journal of Physics A …, 1998 - iopscience.iop.org
In practical problems of phase-space reconstruction, it is usually the case that the
reconstruction is much easier using a particular recorded scalar variable. This seems to …
reconstruction is much easier using a particular recorded scalar variable. This seems to …
A chaotic model for the epidemic of Ebola virus disease in West Africa (2013–2016)
S Mangiarotti, M Peyre, M Huc - Chaos: An Interdisciplinary Journal of …, 2016 - pubs.aip.org
An epidemic of Ebola Virus Disease (EVD) broke out in Guinea in December 2013. It was
only identified in March 2014 while it had already spread out in Liberia and Sierra Leone …
only identified in March 2014 while it had already spread out in Liberia and Sierra Leone …
A nine-dimensional Lorenz system to study high-dimensional chaos
P Reiterer, C Lainscsek, F Schürrer… - Journal of Physics A …, 1998 - iopscience.iop.org
We examine the dynamics of three-dimensional cells with square planform in dissipative
Rayleigh-Bénard convection. By applying a triple Fourier series ansatz up to second order …
Rayleigh-Bénard convection. By applying a triple Fourier series ansatz up to second order …
Optimal placement of sensor and actuator for controlling low-dimensional chaotic systems based on global modeling
Controlling chaos is fundamental in many applications, and for this reason, many techniques
have been proposed to address this problem. Here, we propose a strategy based on an …
have been proposed to address this problem. Here, we propose a strategy based on an …
Evidence for low dimensional chaos in sunspot cycles
C Letellier, LA Aguirre, J Maquet, R Gilmore - Astronomy & Astrophysics, 2006 - aanda.org
Sunspot cycles are widely used for investigating solar activity. In 1953 Bracewell argued that
it is sometimes desirable to introduce the inversion of the magnetic field polarity, and that …
it is sometimes desirable to introduce the inversion of the magnetic field polarity, and that …
A Bird's Eye View of Nonlinear System Identification
LA Aguirre - arXiv preprint arXiv:1907.06803, 2019 - arxiv.org
This text aims at providing a bird's eye view of system identification with special attention to
nonlinear systems. The driving force is to give a feeling for the philosophical problems facing …
nonlinear systems. The driving force is to give a feeling for the philosophical problems facing …
Rolling element bearing diagnostics using extended phase space topology
T Haj Mohamad, M Samadani… - … of Vibration and …, 2018 - asmedigitalcollection.asme.org
This paper introduces a novel method called extended phase space topology (EPST) for
machinery diagnostics and pattern recognition. In particular, the research focuses on fault …
machinery diagnostics and pattern recognition. In particular, the research focuses on fault …