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A VRP model to support last mile maritime containers
Pereira, M. Teresa; Ferreirinha, Luís; Ferreira, Fernanda A.; Oliveira, MarisaDue to the constant and hasty development of the process of economic globalization, the transport network has become increasingly complex. This causes significative changes in the manner of cargo transport, which leads to satisfy the costumer’s needs first and only then try to achieve an effective and efficient low-cost distribution. The decision support system developed allows to allocate the closest truck, wi...
Ontology-based meta-model for hybrid collaborative scheduling
Varela, M.L.R.; Putnik, Goran D.; Manupti, Vijaya; Madureira, Ana; Santos, André; Amaral, Gabriela; Ferreirinha, LuísIn this paper a scheduling meta-model is proposed for supporting hybrid collaboration, regarding machine-machine and human-machine scheduling interactions, based on a scheduling ontology. The utilization of the proposed scheduling ontology-based meta-model is illustrated through an example, which is further analysed, and some main features and advantages of each kind of collaborative interaction are discussed.
Decision support tool for dynamic scheduling
Ferreirinha, Luís; Santos, André S.; Madureira, Ana M.; Varela, M.L.R.; Bastos, João A.Production scheduling in the presence of real-time events is of great importance for the successful implementation of real-world scheduling systems. Most manufacturing systems operate in dynamic environments vulnerable to various stochastic real-time events which continuously forces reconsideration and revision of pre-established schedules. In an uncertain environment, efficient ways to adapt current solutions ...
One Dimensional Trim Loss Decision Support Tool
Ferreirinha, Luís; Baptista, Sara; Pereira, Ângela; Pinto Ferreira, Luís; Pereira, Maria Teresa RibeiroThe topic Cutting & Packing (C & P) has been published in many papers, and its importance within many industrial sectors is undeniable. For these reasons, several studies have been carried out on the optimization of the cutting process in order to improve the utilization of the useful area or the useful length of the raw material. Thus, this work aims to develop a computational tool that resolves the problem of...