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 …

Prediction and simulation errors in parameter estimation for nonlinear systems

LA Aguirre, BHG Barbosa, AP Braga - Mechanical Systems and Signal …, 2010 - Elsevier
This article compares the pros and cons of using prediction error and simulation error to
define cost functions for parameter estimation in the context of nonlinear system …

Forecasting the time series of sunspot numbers

LA Aguirre, C Letellier, J Maquet - Solar Physics, 2008 - Springer
Forecasting the solar cycle is of great importance for weather prediction and environmental
monitoring, and also constitutes a difficult scientific benchmark in nonlinear dynamical …

Failure in distinguishing colored noise from chaos using the “noise titration” technique

US Freitas, C Letellier, LA Aguirre - … Review E—Statistical, Nonlinear, and Soft …, 2009 - APS
Identifying chaos in experimental data—noisy data—remains a challenging problem for
which conclusive arguments are still very difficult to provide. In order to avoid problems …

Building dynamical models from data and prior knowledge: the case of the first period-doubling bifurcation

LA Aguirre, EC Furtado - Physical Review E—Statistical, Nonlinear, and Soft …, 2007 - APS
This paper reviews some aspects of nonlinear model building from data with (gray box) and
without (black box) prior knowledge. The model class is very important because it …

Frequently asked questions about global modeling

C Letellier, LA Aguirre, US Freitas - Chaos: An Interdisciplinary Journal …, 2009 - pubs.aip.org
When a global model is attempted from experimental data, some preprocessing might be
required. Therefore it is only natural to wonder what kind of effects the preprocessing might …

Interplay between synchronization, observability, and dynamics

C Letellier, LA Aguirre - Physical Review E—Statistical, Nonlinear, and Soft …, 2010 - APS
Synchronizing nonidentical chaotic oscillators is very often achieved by using various types
of couplings. In the practice of synchronization the “right choice” of the coupling variable—y …

A hybrid algorithm for Caputo fractional differential equations

GHO Salgado, LA Aguirre - … in Nonlinear Science and Numerical Simulation, 2016 - Elsevier
This paper is concerned with the numerical solution of fractional initial value problems
(FIVP) in sense of Caputo's definition for dynamical systems. Unlike for integer-order …

Time shifts and correlations in synchronized chaos

JN Blakely, MW Pruitt, NJ Corron - Chaos: An Interdisciplinary Journal …, 2008 - pubs.aip.org
We introduce a new method for predicting characteristics of the synchronized state achieved
by a wide class of unidirectional coupling schemes. Specifically, we derive a transfer …

Collective synchronization as a method of learning and generalization from sparse data

T Miyano, T Tsutsui - Physical Review E—Statistical, Nonlinear, and Soft …, 2008 - APS
We propose a method for extracting general features from multivariate data using a network
of phase oscillators subject to an analogue of the Kuramoto model for collective …