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Modelagem do problema integrado de dimensionamento de lotes e corte de estoque em indústria moveleira

Authors: Santos, Silvia Maria Pereira Grandi dos;

Modelagem do problema integrado de dimensionamento de lotes e corte de estoque em indústria moveleira

Abstract

Neste trabalho estudamos o processo produtivo de uma fábrica de móveis característica do Pólo Moveleiro de Votuporanga/SP e propomos um modelo de otimização inteira mista para o processo de produção desta fábrica acoplando o Problema de Dimensionamento de Lotes (PDL) com o Problema de Corte de Estoque (PCE) Bidimensional. O modelo considera vários itens (produtos finais), horizonte rolante de planejamento, sendo que somente o período inicial é programado detalhadamente em relação às restrições de atendimento à demanda por peças e de capacidade das máquinas. Dois conjuntos de padrões de corte são utilizados, aqueles preferidos pela empresa e um conjunto de padrões tabuleiros compostos, e visa a utilização da capacidade total de corte da máquina seccionadora. Testes computacionais fazendo várias comparações foram realizados e mostram a eficiência da abordagem quando o problema é resolvido de forma integrada e quando o conjunto de padrões de corte tabuleiros compostos é utilizado.

In this work we studied the production process of a furniture company located in Votuporanga/SP and we propose a mixed-integer optimization model for the furniture industry production process, integrating the Lot Sizing Problem with the Cutting Stock Problem. The mathematical model considers multi items (final products) in a rolling horizon basis, where only the initial period is detailed with respect to the pieces demanded and capacity machines constraints. Two cutting pattern sets are used, the industry preferred cutting patterns and a set of composed checkerboard patterns, and aims at using the total capacity of the saw machine use. Computational tests with multiple comparisons show the approach effectiveness when the problem is solved in an integrated form and when the composed checkerboard patterns set is used.

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Pós-graduação em Matemática - IBILCE

Country
Brazil
Keywords

Problema do corte de estoque, Problema integrado, Problema de dimensionamento de lotes, Pesquisa operacional, Otimização matematica, Indústria de móveis

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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