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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2016.tde-12082016-140758
Document
Author
Full name
Alfredo Rogerio Jorge
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2016
Supervisor
Committee
Andretta, Marina (President)
Poldi, Kelly Cristina
Silva, Elsa Marília da Costa e
Toledo, Franklina Maria Bragion de
Title in Portuguese
Resolução de um problema de corte de itens irregulares aplicado à indústria
Keywords in Portuguese
Aplicação
Heurísticas
Modelos
Problemas de corte de itens irregulares
Abstract in Portuguese
Nos problemas de corte de itens irregulares, temos um conjunto de itens menores que devem ser alocados em objetos maiores (recipientes) de forma que estes estejam inteiramente contidos no recipiente e não se sobreponham. Neste trabalho, resolvemos um problema de corte e empacotamento de uma indústria que confecciona aventais e forros de luva, no qual deseja-se alocar uma lista de itens dentro de recipientes retangulares utilizando a menor quantidade de recipientes possível e minimizando o comprimento utilizado em cada recipiente. Para isto, utilizamos métodos exatos e heurísticos adaptados para o corte de aventais e forros de luva, com o objetivo de obter soluções de alta qualidade. Foram realizados experimentos computacionais que comprovaram a eficiência dos métodos de solução presentes neste trabalho.
Title in English
Resolution of a cutting problem of irregular items used in industry
Keywords in English
Application
Heuristics
Models
Nesting problems
Abstract in English
In nesting problems, we have a set of small items that must be allocated into larger objects (containers) so that they are fully contained within the container and do not overlap. In this work, an apron and gloves lining industry cutting problem is solved, in which we want to allocate a list of items into rectangular containers using the smallest quantity of containers and minimizing the length used in each container. For this, we used exact and heuristic methods adapted for cutting aprons and glove liners, in order to obtain high quality solutions. Computational tests were performed and they show the efficiency of the solving methods presented in this work.
 
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Publishing Date
2016-08-12
 
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