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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.2012.tde-11062013-103610
Document
Author
Full name
Rodolfo Celestino dos Santos Silva
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2012
Supervisor
Committee
Botter, Rui Carlos (President)
Mendes, André Bergsten
Moura, Delmo Alves de
Title in Portuguese
Análises de tradeoff em sistemas de transporte aquaviário com simulação de eventos discretos.
Keywords in Portuguese
Simulação de eventos discretos
Sistemas logísticos
Tradeoff
Abstract in Portuguese
O trabalho apresenta inicialmente a importância da tomada de decisão em uma sociedade com recursos limitados e muitos interesses antagônicos. Essas decisões com base em objetivos conflitantes, independente do seu grau de importância, geram ganhos em alguns aspectos e perdas em outros, e a isto se denomina tradeoff. Em problemas complexos, uma decisão mal tomada, ou um estudo de tradeoff mal conduzido podem afetar significativamente aspectos muito relevantes, como o dimensionamento de redes de transporte, por exemplo. Assim, a proposta deste trabalho é oferecer um procedimento para auxilio à tomada de decisão em sistemas de transporte aquaviário, baseado em análises com múltiplos critérios. Além disso, o estudo visa utilizar a técnica de simulação de eventos discretos para fornecer subsídio a estes estudos de tradeoff. É realizada também uma aplicação do método descrito juntamente com um modelo de simulação para o dimensionamento de um sistema de transporte aquaviário específico, contando com análises de sensibilidade. A aplicação realizada foi conclusiva e comprovou a eficácia do método desenvolvido para o auxílio à decisão em problemas desse porte.
Title in English
Tradeoff analysis in maritime transportation systems with discrete event simulation.
Keywords in English
Discret events simulation
Logistic systems
Tradeoff
Abstract in English
This work primarily highlights the importance of decision making in a society with limited resources and several antagonistics interests. Decisions based on conflicting goals, regardless of their importance level, might generate positive gains associated to a certain number of variables and losses associated to others. This process is known as tradeoff. In complex problems, such as transportation networks planning, taking a bad decision or carrying out a bad tradeoff study, may affect matters of primary interests of the problem players. The proposal of this work is providing a procedure in order to support decision making process in water transportation systems based on multi-criteria analysis. In addition, the study aims at using the technique of discrete event simulation to provide subsidies to these trade-off studies. The work also presents an application of the proposed methodology, concomitantly with a simulation model for the planning of a specific maritime transportation system, including the respective sensitivity analyzes. The application was successful and conclusive about the effectiveness of the developed method helping the decision making for problems of this magnitude.
 
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Publishing Date
2013-06-18
 
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