Scheduling Of Transhipment Operations Between Vessels Minimizing Container Storage-Times (Abstract/Comunicazione in atti di convegno)

Type
Label
  • Scheduling Of Transhipment Operations Between Vessels Minimizing Container Storage-Times (Abstract/Comunicazione in atti di convegno) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Alternative label
  • Maria Flavia Monaco, Marcello Sammarra (2012)
    Scheduling Of Transhipment Operations Between Vessels Minimizing Container Storage-Times
    in 43rd Annual Conference of the Italian Operational Research Society, Vietri sul Mare (SA), 4-7 Settembre
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maria Flavia Monaco, Marcello Sammarra (literal)
Note
  • Comunicazione (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Elettronica, Informatica e Sistemistica Università della Calabria Istituto di Calcolo e Reti ad Alte Prestazioni CNR (literal)
Titolo
  • Scheduling Of Transhipment Operations Between Vessels Minimizing Container Storage-Times (literal)
Abstract
  • At a maritime container terminal, the containers to be transhipped are, usually, discharged from a vessel, temporarily stored in the yard, and then loaded on a different vessel. Due to its limited capacity, the yard is a critical resource, whose ecient utilization can improve the productivity and the protability of the terminal. On the other hand, the storage of containers represents a relevant cost for the shipping line companies. Therefore, both the main actors of the transhipment market aim at reducing the sojourn time of the containers in the yard. In this work a new operational modality, trying to perform a direct ship-to-ship transhipment of containers, skipping the storage phase, is discussed. In the Direct Container Transhipment Problem (DCTP) we consider the case of two vessels, simultaneously moored at not necessarily adjacent berths, given that sucient terminal resources (machines and operators) have been previously allocated. We assume that some of the containers carried by the vessels have to be directly transhipped from the one to the other, while the remaining containers follow the conventional transhipment ow (quay-yard-quay). Our aim is to schedule all the downloading and uploading operations, minimizing the service time of both vessels, while reducing, as far as possible, the temporary storage of the directly transhipped containers. We propose a Mixed Integer Linear Model for the DCTP. It integrates two main decisions: assigning a stowage position to all the containers to be directly transhipped, and determining the working sequences for all the quay cranes operating on the two vessels, according to a huge number of precedence and non simultaneity constraints. (literal)
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