A multi-mode resource-constrained scheduling problem in the context of port operations

Authors:
Luciano Lessa Lorenzoni;Hannu Ahonen;Arlindo Gomes de Alvarenga
Affiliations:
Department of Computer Science, FAESA, Vitoria, Brazil;Department of Computer Science, Federal University of Espirito Santo, Vitoria, Brazil and Departmento de Informatica, Universidade Federal do Espirito Santo, Centro Technologico, Fernando Ferrari, ...;Department of Computer Science, Federal University of Espirito Santo, Vitoria, Brazil and Departmento de Informatica, Universidade Federal do Espirito Santo, Centro Tecnologico, Goiabeiras, Vitori ...
Venue:
Computers and Industrial Engineering
Year:
2006

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Abstract

We discuss a problem of attending ships within agreed time limits at a port under the condition of the first come first served order. In addition, we indicate the use of the developed tool to support decisions at a strategic level with the objective of improving the attendance of the ships. The tool is based on a mathematical model of a multi-mode resource-constrained scheduling problem and on an extension of a differential evolution algorithm. We illustrate the implementation by computational tests with data generated on the basis of the characteristics of a real port environment.