Otimização do microplanejamento na colheita de madeira em plantios de eucalipto
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UNICENTRO |
Texto Completo: | http://tede.unicentro.br:8080/jspui/handle/jspui/1390 |
Resumo: | This work proposed the optimization of operational planning variables in the timber harvesting, aiming to subsidize micro-planning, increase of productivity and minimize cost. A method of distribution and sequencing of forest machines was tested. Then, several timber extraction scenarios were evaluated as a function of operational planning variables. Finally, influence of wood pile placement in productivity and cost of timber extraction and forest loading were verified. Study was carried out in a forest company located in Santo Antônio do Paraíso, on Eucalyptus saligna stands submitted to clear cutting at age 10. Research database consists of technical and economic variables of operations, cost of roads, as well as geographic data resources. Harvest compartments were hierarchically grouped by the Ward method, using as measure of dissimilarity the Euclidean distance. Then, minimum route of displacement of the machines was determined by the Kruskal algorithm, for each group formed. Next, five compartments were selected and scenarios were proposed, with simulation in a GIS environment. Minimum cost aggregate between harvest and forest roads was obtained Integer Linear Programming (ILP). Finally, were verified the effect of three distinct wood pile positions on the productivity and costs of timber extraction and forest loading. The process of distribution and sequencing of harvesting operations estimated six harvesters and five forwarders, where subdivided into two groups, allowed the maximization of operational efficiency by 4.86%. The simulation model pointed to better alternatives in detriment to the actual execution observed, reducing the total cost by up to 25.3 %. For different treatments, the standard pile was the most economical for timber extraction and forest loading, with a reduction of 6.08 % in the cubic meter of wood produced. |
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Lopes, Eduardo da Silvahttp://lattes.cnpq.br/1280835655867163Arce, Julio Eduardohttp://lattes.cnpq.br/4034397326977747133.919.797-98http://lattes.cnpq.br/7273668403288888Masioli, William2021-02-26T12:27:38Z2019-03-14Masioli, William. Otimização do microplanejamento na colheita de madeira em plantios de eucalipto. 2019. 94 f. Dissertação (Programa de Pós-Graduação em Ciências Florestais - Mestrado) - Universidade Estadual do Centro-Oeste, Irati-PR.http://tede.unicentro.br:8080/jspui/handle/jspui/1390This work proposed the optimization of operational planning variables in the timber harvesting, aiming to subsidize micro-planning, increase of productivity and minimize cost. A method of distribution and sequencing of forest machines was tested. Then, several timber extraction scenarios were evaluated as a function of operational planning variables. Finally, influence of wood pile placement in productivity and cost of timber extraction and forest loading were verified. Study was carried out in a forest company located in Santo Antônio do Paraíso, on Eucalyptus saligna stands submitted to clear cutting at age 10. Research database consists of technical and economic variables of operations, cost of roads, as well as geographic data resources. Harvest compartments were hierarchically grouped by the Ward method, using as measure of dissimilarity the Euclidean distance. Then, minimum route of displacement of the machines was determined by the Kruskal algorithm, for each group formed. Next, five compartments were selected and scenarios were proposed, with simulation in a GIS environment. Minimum cost aggregate between harvest and forest roads was obtained Integer Linear Programming (ILP). Finally, were verified the effect of three distinct wood pile positions on the productivity and costs of timber extraction and forest loading. The process of distribution and sequencing of harvesting operations estimated six harvesters and five forwarders, where subdivided into two groups, allowed the maximization of operational efficiency by 4.86%. The simulation model pointed to better alternatives in detriment to the actual execution observed, reducing the total cost by up to 25.3 %. For different treatments, the standard pile was the most economical for timber extraction and forest loading, with a reduction of 6.08 % in the cubic meter of wood produced.ira, visando subsidiar o microplanejamento das operações, aumento de produtividade e redução de custos. O trabalho propôs um método de distribuição e sequenciamento de máquinas na execução do corte e extração de madeira. Foram avaliados diversos cenários de extração em função de variáveis do planejamento operacional e verificados os efeitos do posicionamento das pilhas de madeira na produtividade e custos da extração e carregamento florestal. O estudo foi conduzido em uma empresa florestal em Santo Antônio do Paraíso, Paraná, em povoamentos de Eucalyptus saligna submetidos ao regime de corte raso aos 7 anos de idade. Avaliou-se as operações de corte, extração e carregamento florestal. A base de dados da pesquisa constituiu-se de informações técnicas e econômicas das operações florestais e das estradas, bem como dados geográficos da região do estudo. Os talhões do bloco de colheita da madeira foram agrupados hierarquicamente pelo método de Ward, utilizando como medida de dissimilaridade a distância euclidiana. Em seguida, foi determinada a rota mínima de deslocamento das máquinas pelo algoritmo de Kruskal para cada grupo formado. Posteriormente, foram selecionados cinco talhões e propostos cenários de extração, com simulação em ambiente SIG. O menor custo agregado entre colheita e estradas florestais foi obtido por Programação Linear Inteira (PLI). Por fim, verificou-se o efeito de três posicionamentos de pilhas distintos na produtividade e custos da extração e carregamento. O processo de distribuição e sequenciamento das operações de colheita estimou seis harvesters e cinco forwarders, onde subdivididos em dois grupos, permitiram a maximização da eficiência operacional em 4,86%. O modelo de simulação proposto apontou melhores alternativas em detrimento a execução real observada, reduzindo em até 25,3% o custo total. Para os diferentes tratamentos testados, o posicionamento de pilha testemunha foi o mais econômico para extração e carregamento da madeira, com redução de 6,08 % no metro cubico de madeira produzida.Submitted by Fabiano Jucá (fjuca@unicentro.br) on 2021-02-26T12:27:38Z No. of bitstreams: 1 Dissertação William Masioli.pdf: 5289471 bytes, checksum: b0d207f25db5fc4c78c5cfd4d764b6d7 (MD5)Made available in DSpace on 2021-02-26T12:27:38Z (GMT). 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dc.title.por.fl_str_mv |
Otimização do microplanejamento na colheita de madeira em plantios de eucalipto |
dc.title.alternative.eng.fl_str_mv |
Optimization of microplanning in the timber harvesting on Eucalyptus stands |
title |
Otimização do microplanejamento na colheita de madeira em plantios de eucalipto |
spellingShingle |
Otimização do microplanejamento na colheita de madeira em plantios de eucalipto Masioli, William Colheita da madeira microplanejamento modelagem matemática. Timber harvesting micro-planning math programming CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
title_short |
Otimização do microplanejamento na colheita de madeira em plantios de eucalipto |
title_full |
Otimização do microplanejamento na colheita de madeira em plantios de eucalipto |
title_fullStr |
Otimização do microplanejamento na colheita de madeira em plantios de eucalipto |
title_full_unstemmed |
Otimização do microplanejamento na colheita de madeira em plantios de eucalipto |
title_sort |
Otimização do microplanejamento na colheita de madeira em plantios de eucalipto |
author |
Masioli, William |
author_facet |
Masioli, William |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Lopes, Eduardo da Silva |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/1280835655867163 |
dc.contributor.advisor-co1.fl_str_mv |
Arce, Julio Eduardo |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/4034397326977747 |
dc.contributor.authorID.fl_str_mv |
133.919.797-98 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/7273668403288888 |
dc.contributor.author.fl_str_mv |
Masioli, William |
contributor_str_mv |
Lopes, Eduardo da Silva Arce, Julio Eduardo |
dc.subject.por.fl_str_mv |
Colheita da madeira microplanejamento modelagem matemática. |
topic |
Colheita da madeira microplanejamento modelagem matemática. Timber harvesting micro-planning math programming CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
dc.subject.eng.fl_str_mv |
Timber harvesting micro-planning math programming |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
description |
This work proposed the optimization of operational planning variables in the timber harvesting, aiming to subsidize micro-planning, increase of productivity and minimize cost. A method of distribution and sequencing of forest machines was tested. Then, several timber extraction scenarios were evaluated as a function of operational planning variables. Finally, influence of wood pile placement in productivity and cost of timber extraction and forest loading were verified. Study was carried out in a forest company located in Santo Antônio do Paraíso, on Eucalyptus saligna stands submitted to clear cutting at age 10. Research database consists of technical and economic variables of operations, cost of roads, as well as geographic data resources. Harvest compartments were hierarchically grouped by the Ward method, using as measure of dissimilarity the Euclidean distance. Then, minimum route of displacement of the machines was determined by the Kruskal algorithm, for each group formed. Next, five compartments were selected and scenarios were proposed, with simulation in a GIS environment. Minimum cost aggregate between harvest and forest roads was obtained Integer Linear Programming (ILP). Finally, were verified the effect of three distinct wood pile positions on the productivity and costs of timber extraction and forest loading. The process of distribution and sequencing of harvesting operations estimated six harvesters and five forwarders, where subdivided into two groups, allowed the maximization of operational efficiency by 4.86%. The simulation model pointed to better alternatives in detriment to the actual execution observed, reducing the total cost by up to 25.3 %. For different treatments, the standard pile was the most economical for timber extraction and forest loading, with a reduction of 6.08 % in the cubic meter of wood produced. |
publishDate |
2019 |
dc.date.issued.fl_str_mv |
2019-03-14 |
dc.date.accessioned.fl_str_mv |
2021-02-26T12:27:38Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
Masioli, William. Otimização do microplanejamento na colheita de madeira em plantios de eucalipto. 2019. 94 f. Dissertação (Programa de Pós-Graduação em Ciências Florestais - Mestrado) - Universidade Estadual do Centro-Oeste, Irati-PR. |
dc.identifier.uri.fl_str_mv |
http://tede.unicentro.br:8080/jspui/handle/jspui/1390 |
identifier_str_mv |
Masioli, William. Otimização do microplanejamento na colheita de madeira em plantios de eucalipto. 2019. 94 f. Dissertação (Programa de Pós-Graduação em Ciências Florestais - Mestrado) - Universidade Estadual do Centro-Oeste, Irati-PR. |
url |
http://tede.unicentro.br:8080/jspui/handle/jspui/1390 |
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por |
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por |
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6065515305966967648 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
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Universidade Estadual do Centro-Oeste |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Ciências Florestais (Mestrado) |
dc.publisher.initials.fl_str_mv |
UNICENTRO |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Unicentro::Departamento de Ciências Florestais |
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Universidade Estadual do Centro-Oeste |
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