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Master's Dissertation
DOI
Document
Author
Full name
Kelvin Yuso Tamura
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2019
Supervisor
Committee
Mendes, André Bergsten (President)
Alvarez, Elsa Vásquez
Queiroz, Maciel Manoel de
Title in Portuguese
Heurí­sticas de programação linear inteira para resolução de problemas de programação de frota com restrições de sincronização.
Keywords in Portuguese
Heurística
Modelagem matemática
Programação de veículos
Programação linear
Abstract in Portuguese
A presente pesquisa aborda um problema de programação de veículos rico, em que a característica mais importante é a demanda de múltiplas embarcações para atendimento a uma única tarefa. Trata-se de uma aplicação real do setor de apoio marítimo "offshore", das embarcações que fazem o reboque e o lançamento de linhas de ancoragem de sondas de perfuração e unidades de produção. Como método de solução, aplicaram-se duas heurísticas com uma abordagem híbrida que incluem uma inserção baseada em programação linear inteira, visando a minimização do custo total da operação, dentro de um tempo de processamento aceitável.
Title in English
Integer linear programming heuristics to solve fleet scheduling problems with synchronization constraints.
Keywords in English
Integer linear programming
Mathematical modelling
Matheuristic
Vehicle scheduling
Abstract in English
This research deals with a rich vehicle scheduling problem, having as the most important feature the demand of multiple vessels per task. It is a real problem present in the oil industry related to the vessels that undertake the towing and the launching of mooring lines of drilling and production units. As a solution method, two heuristics with a hybrid approach were applied which include an insertion based on integer linear programming, aiming at minimizing the total cost of the operation, within an acceptable processing time.
 
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Publishing Date
2019-08-21
 
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