9th Brazilian Conference on Dynamics, Control and Their Applications
9th Brazilian Conference on Dynamics, Control and Their Applications
Invited Lectures :::
Invited Lectures

1. Antonio Marcos Batista
Email: batista@interponta.com.br

Universidade Federal do Parana
http://www.fisica.uepg.br/ppgfisica

Title: Synchronization of bursting neurons in clustered networks with small-world property




2. Berenice C. Damasceno
E-mail:berenice@mat.feis.unesp.br
Universidade Estadual Paulista "Julio de Mesquita Filho
Faculdade de Engenharia de Ilha Solteira Departamento de Matemática, Ilha Solteira, SP.

Title: Periodic windows in logistic maps : chaos and control
In logistic maps we can have the occurrence of superstable fixed points and superstable n-cycles in tiny windows .This situation was largely considered by the M. Feigenbaum works on the 1980’s . The consideration of transients in this structure it is a powerful tool for the analysis of such phenomenon. The transients pass-through in a minimal time, with admissible controls in the system, is the object of this work

She has experience in production engineering, with emphasis on control and dynamic programming acting on the following issues: control and applications in engineering, applied statistics, financial market theory and applications of Petri nets

3. Edson Denis Leonel
http://www.rc.unesp.br/igce/demac/denis

Universidade Estadual Paulista "Julio de Mesquita Filho
Instituto de Geociências e Ciências Exatxas Departamento de Estatística, Matemática Aplicada e Computação, Rio Claro, SP.

Title: Scaling properties and suppression of Fermi acceleration in time dependent billiards
Fermi acceleration is a phenomenon where a classical particle can acquires unlimited energy upon collisions with a heavy moving wall. In this talk, I will make a short review for the one-dimensional Fermi accelerator models and discuss some scaling properties for them. In particular, when inelastic collisions of the particle with the boundary are taken into account, suppression of Fermi acceleration is observed. I will give an example of a two dimensional time-dependent billiard where such a suppression also happens.

4. Eduardo G. Altmann
http://egaltmann.googlepages.com/

Universidade Federal do Rio Grande do Sul
Instituto de Física

Title: Transient chaos in open billiards
Billiards are paradigmatic examples of dynamical systems and serve as prototypes of mechanical, optical, and accoustical systems. Recent experiments and applications have shown the importance of considering open billiards, in which case trajectories can leave the system and therefore be detected. Openess in dynamical systems raises important theoretical questions that will be broadly discussed in this talk. The main specific application reported in the talk will be to optical dielectric billiards. In this case the light rays leave the billiard through refraction at the boundary (according to Fresnel's laws). A very rich dynamics typically exists in such billiards due to the generic coexistence of regular and chaotic trajectories. The transient chaos theory will be adapted and expanded to describe such non- hyperbolic partially opened systems. We will use this theory to interpret previous results and new numerical simulations (on the annular billard). In particular, we will see why the decay of energy changes dramatically over time (from exponential to power-law), but the far-field emission changes only slightly.

5. Haroldo Fraga de Campos Velho
http://www.lac.inpe.br/~haroldo

Computing and Applied Mathematics Laboratory
Instituto Nacional de Pesquisas Espaciais

Title: Data Assimilation: new challenges, new methods








6. João Candido Fernandes
E mail : jcandido@feb.unesp.br

UNESP – Universidade Estadual Paulista - Depto de Eng. Mecânica/FE – Bauru
Av. Luiz E. Coube S/N.º - CEP : 17.033–360 – Bauru, SP, Brasil
Fone : (014) 3103 6119 – Fax : 3103 6101




7. José Carlos Sartorelli
http://fge.if.usp.br/~sartorel

Instituto de Física
Universidade de São Paulo

Title: Bifurcations in a parametric double pendulum
J. C. Sartorelli - Universidade de São Paulo, Instituto de Física, Brazil
W. Lacarbonara - Universitá degli Studi di Roma La Sapienza, Dipartimento di Ingegneria and Strutturale, Italy

We established the stability regions of the four fixed points of a double pendulum in the parameter space a vs. f, where a and f are the amplitude and the frequency of the vertical external forcing. We have observed Hopf bifurcations (super and subcritical), boundary crises or blue sky catastrophes. The experimental data were discussed considering high and low damping due to the viscous friction.

8. Julio R. Claeyssen
jcrclaeyssen@yahoo.com

Instituto de Matematica

Universidade Federal do Rio Grande do Sul
Porto Alegre,RS,Brazil


Title: The Timoshenko beam model in vibrating AFM cantilevers.

The atomic force microscope (AFM) since its conception has been used for imaging the surface topography of conductors, insulators and, more recently, in nanotechnology due to high-resolution capabilities. The sharp tip attached to a cantilever at the free end plays an important role in AFM measurements due to its interaction with a sample in contact mode. This is a very complex mechanism and there is a growing interest in studying the vibration responses of an AFM cantilever. Here we considered the flexural vibration response of an AFM device using Timoshenko beam theory. The conical tip interacts with the sample through springs for normal and lateral displacements. The reponse due to a fixed end is characterized in terms of a fundamental matrix response and its derivative. The natural frequencies and modes are then determined through dynamic boundary conditions at the free end.

9. Luciano Barbanti
E-mail:lucianobarbanti@yahoo.com.br

Universidade Estadual Paulista "Julio de Mesquita Filho
Faculdade de Engenharia de Ilha Solteira Departamento de Matemática, Ilha Solteira, SP.

Title: Periodic windows in logistic maps : chaos and control
In logistic maps we can have the occurrence of superstable fixed points and superstable n-cycles in tiny windows .This situation was largely considered by the M. Feigenbaum works on the 1980’s . The consideration of transients in this structure it is a powerful tool for the analysis of such phenomenon. The transients pass-through in a minimal time, with admissible controls in the system, is the object of this work

He has experience in mathematics, with emphasis on Integral Equations and Control, acting on the following issues: controllability and integral equations, integral equations in infinite-dimensional approximation of solutions, bifurcation, and control and applications in engineering, control of chaos and bifurcation, theory of financial market and applications

10. Luciano Luporini Menegaldo
lmeneg@ime.eb.br

Associate Professor
Military Institute of Engineering
Department of Mechanical and Materials Engineering
Pça General Tiburcio 80, Urca
Rio de Janeiro-RJ, 22290-270
Brazil

Title: Dynamics and control of musculoskeletal systems

abstract: Biomechanical modeling of the human musculoskeletal system requires the gathering of several different scientific disciplines, including neurophysiology, anatomy, multi-body dynamics, control theory, etc. This lecture will address some results of the last 15 years of research in this field, showing interesting results in muscle modeling and its experimental validation, as well as posture biomechanics and optimal control.

11. Luiz Carlos Sandoval Goes
goes@ita.br

ITA, São José dos Campos
Provisory title:






12. Marcelo Amorim Savi
http://www.lavi.coppe.ufrj.br/~savi/

Universidade Federal do Rio de Janeiro
Coppe Instituto Alberto Luiz Coimbra de Pós Graduação e Pesquisa de Engenha
Programa de Engenharia Mecânica.

Área de Fenômenos Não-Lineares e Caos
Provisory title:




13. Ricardo Egydio de Carvalho
http://www.rc.unesp.br/igce/demac/egydio

Departamento de Estatística, Matemática Aplicada e Computação (DEMAC)
Instituto de Geociências e Ciências Exatas
Universidade Estadual Paulista "Julio de Mesquita Filho"

Provisory title: The Non-Twist Standard Map with Robust Tori


Abstract

The non-twist standard map occurs frequently in many fields of science
specially in modeling the dynamics of the magnetic field lines in
tokamaks. Robust tori, dynamical barriers that impede the radial transport
among different regions of the phase space, are introduced in the
non-twist standard map in a conservative fashion. The resulting Non-Twist
Standard Map with Robust Tori (NTRT) is an improved model to study
transport barriers in plasmas confined in tokamaks.

14. Sergio Viçosa Möller
E-mail:svmoller@ufrgs.br

Universidade Federal do Rio Grande do Sul
Departamento de Engenharia Mecânica
Laboratório de Mecânica dos Fluidos

Title: Non Stationary Turbulent Flow Phenomena: Wavelet Analysis




15. Silvio Luiz Thomaz de Souza
E-mail:silviolts@terra.com.br

Universidade Federal de São João Del-Rei
MG, Brazil

Provisory title: Characterization of non-ideal oscillators in parameter space




 

 
       
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