Alan de Freitas
Projects

Real-world Optimization Problems

Project description

    Many real-world optimization problems.

Subprojects

Feedback Loops

    Feedback loops are usually designed and tuned individually regardless of the characteristics of other loops. We investigate the nature Pareto optimal limits on the sensitivity of a 2-loop control system. There is a sacrifice of performance in a loop that is significant for the improvement of the second loop.





Logistics and Vehicle Routing

    Reverse distribution networks are designed to plan the distribution of customer products back to producers. We study the problem with two levels with products transported from points of origin to collection points before being sent to the manufacturer. The optimization of reverse distribution networks can reduce the costs of reverse chain and help companies become efficient in relation to the environment. On the other hand, vehicle routing problems analyze the distribution of products to customers, considering time windows and vehicle capacities.





Maximum Diversity Problem

    The Maximum Diversity Problem (PDM) is defined by choosing the subset of elements with greater diversity in a set of elements. It is very important problem for its general formulation, which leads it to have applications in facilities location, genetics, and product design.. The search for the most diverse set is a NP-complete problem, justifying the use of heuristics.





WSN and WLAN networks

    Wireless Sensor Networks (WSN) are autonomous sensors that monitor the environment. They have applications such as monitoring of war camps, industrial processes, air pollution, fires, greenhouse, landslides and agriculture. WLAN networks are networks that use radio waves connect to the Internet or inside a network.





27 related publications

Selection of related publications

Rodrigo César Pedrosa Silva;Armin Salimi;Min Li;Alan Robert Resende de Freitas;Frederico Gadelha Guimarães;David A. Lowther. Visualization and Analysis of Trade-offs in Many-Objective Optimization: A Case Study on the Interior Permanent Magnet Motor Design. 2015

Thiago Alcântara Luiz;Alan Robert Resende de Freitas;Frederico Gadelha Guimarães. A New Perspective on Channel Allocation in WLAN: Considering the Total Marginal Utility of the Connections for the Users. 2015

Lucas Carvalho Oliveira Matsueda. Otimização Multiobjetivo Aplicada a Roteamento de Veículos. 2015

Dhiego Souto Andrade. Composição Algorítmica: Geração de Solos de Blues Utilizando Modelos Markovianos. 2015

Thiago Alcântara Luiz. Alocação de Canais em Redes WLAN Considerando a Utilidade Marginal Total da Conexão para Usuários. 2015

Rodrigo César Pedrosa Silva;Armin Salimi;Min Li;Alan Robert Resende de Freitas;Frederico Gadelha Guimarães;David A. Lowther. Visualization and Analysis of Trade-offs in Many-Objective Optimization: A Case Study on the Interior Permanent Magnet Motor Design. 2015

Lucas Carvalho Oliveira Matsueda;Frederico Gadelha Guimarães;Alan Robert Resende de Freitas. Seleção de Objetivos no Problema de Roteamento de Veículos com Janelas de Tempo. 2014

Alan Robert Resende de Freitas;Frederico Gadelha Guimarães;Rodrigo César Pedrosa Silva;Marcone Jamilson Freitas Souza. Memetic self-adaptive evolution strategies applied to the maximum diversity problem. 2013

Alan Robert Resende de Freitas;Victor Miranda Rangel Silva;Felipe Campelo;Frederico Gadelha Guimarães. Optimizing two-level reverse distribution networks with hybrid memetic algorithms. 2013

Alan Robert Resende de Freitas. Redução de Dimensionalidade em Problemas com Muitos Objetivos: Uma Aplicação em Composição Algorítmica. 2013

Alan Robert Resende de Freitas;Frederico Gadelha Guimarães. Differential Evolution and Perceptron Decision Trees for Fault Detection in Power Transformers. 2012

Alan Robert Resende de Freitas;Victor Miranda Rangel Silva;Frederico Gadelha Guimarães;Felipe Campelo. Genetic Algorithms Applied to Reverse Distribution Networks. 2012

Rodolfo Ayala Lopes;Alan Robert Resende de Freitas;Rodrigo César Pedrosa Silva;Frederico Gadelha Guimarães. Differential Evolution and Perceptron Decision Trees for Classification Tasks. 2012

Eduard Eitelberg;Alan Robert Resende de Freitas. Pareto Optimal Sensitivity Bounds for a Strongly Interacting 2-Loop Brazing Temperature Control System. 2012

Alan Robert Resende de Freitas;Rodolfo Ayala Lopes;Rodrigo César Pedrosa Silva;Frederico Gadelha Guimarães. Classificação de Dados Através de Árvores de Perceptrons Geradas por Evolução Diferencial. 2012

Victor Miranda Rangel Silva;Alan Robert Resende de Freitas;Felipe Campelo;Frederico Gadelha Guimarães. Logística Reversa Capacitada em Dois Níveis - Uma Abordagem Utilizando Algoritmos Genéticos. 2012

Alan Robert Resende de Freitas;Frederico Gadelha Guimarães;André Siqueira Ruela. Computação Evolutiva Multiobjetivo para Harmonização de Melodias. 2011

Alan Robert Resende de Freitas;Frederico Gadelha Guimarães. Melody Harmonization in Evolutionary Music using Multiobjective Genetic Algorithms, 2011, Pádua. 2011

André Siqueira Ruela;Andre Luiz Lins de Aquino;Frederico Gadelha Guimarães;Alan Robert Resende de Freitas. Um Algoritmo Coevolutivo Cooperativo para Configuração de Redes de Sensores sem Fio. 2011

Alan Robert Resende de Freitas;Frederico Gadelha Guimarães. Originality and Diversity in the Artificial Evolution of Melodies, 2011, Dublin. 2011

Alan Robert Resende de Freitas;Frederico Gadelha Guimarães. When Darwin Meets Bossa: An Evolutionary Samba. 2011

Alan Robert Resende de Freitas. Música Evolutiva: Uma Abordagem Computacional para Composição Algorítmica. 2011

Alan Robert Resende de Freitas;Frederico Gadelha Guimarães. Geração de Melodias Originais Usando Algoritmos Genéticos. 2011

Alan Robert Resende de Freitas;Marcone Jamilson Freitas Souza;Frederico Gadelha Guimarães. Comparação de Heurísticas Aplicadas ao Problema da Diversidade Máxima. 2010

Lucas de Souza Batista;Alan Robert Resende de Freitas;Frederico Gadelha Guimarães;Jaime Arturo Ramírez. Resolvendo o Problema do Caixeiro Viajante Via GRASP com Construção Baseada em Redes Neurais Auto-Organizáveis. 2009

Lucas de Souza Batista;Alan Robert Resende de Freitas;Frederico Gadelha Guimarães;Jaime Arturo Ramírez. GRASP e Redes Neurais Auto-Organizáveis: Uma Meta-Heurística para a Solução do TSP. 2009

Alan Robert Resende de Freitas. Resolvendo o Problema do Caixeiro Viajante Via Procedimento de Busca Adaptativa Aleatória. 2009