نتایج جستجو برای: quay crane

تعداد نتایج: 3776  

Journal: :Journal of Marine Science and Engineering 2021

This work introduces a fuzzy optimization model, which solves in an integrated way the berth allocation problem (BAP) and quay crane (QCAP). The is solved for multiple quays, considering vessels’ imprecise arrival times. model optimizes use of quays. BAP + QCAP, NP-hard (Non-deterministic polynomial-time hardness) combinatorial problem, where decision to assign available quays each vessel adds ...

Container terminals are places where cargo is transported from point to point using special equipment. One of the most important issues in planning coastal operations at container terminals is the issue of the planning of the embankment or quay, which has a significant impact on crane, yard, warehouse and truck routing programs. This research involved a basin planning model with a multi-pier si...

Journal: :Interfaces 2005
Katta G. Murty Yat-wah Wan Jiyin Liu Mitchell M. Tseng Edmond Leung Kam-Keung Lai Herman W. C. Chiu

As the flagship of Hutchison Port Holdings (HPH), Hongkong International Terminals (HIT) is the busiest container terminal on the planet. HIT receives over 10,000 trucks and 15 vessels a day, about six million twenty-foot equivalent units (TEUs) a year. HIT makes hundreds of operational decisions a minute. HIT’s terminal management system, the productivity plus program (3P), optimizes resources...

2012
Tomáš Robenek Nitish Umang Michel Bierlaire

One of the primary modes for worldwide trade of goods is maritime transport, which is exposed to rapid growth. In order to handle the increase of the traffic in ports, optimization of port operations has been studied and implemented in the past. In container terminals, significant amount of work has been done in the field of large scale optimization. In published literature, the main focus lies...

2010
Ilaria Vacca Matteo Salani Michel Bierlaire

Over the last years, international sea freight container transportation has grown dramatically and container terminals play nowadays a key role within the global shipping network. Terminal’s operations have received increasing interest in the scientific literature and operations research techniques are more and more used to improve efficiency and productivity. In this work we provide an overvie...

2009
Zhao Ning

In container terminals, one of the most important factors driving the logistic efficiency in the yard is stowage planning for containers designated to be exported. The stowage plan and operations have to meet the requirement of the liner shipping company of ship stability on the one hand, and to ensure the smooth and orderly process of handling containers, deployment and movement of the yard cr...

Journal: :Transportation Science 2010
Shawn Choo Diego Klabjan David Simchi-Levi

Crane sequencing in container terminals determines the order of ship discharging and loading jobs that quay cranes (QCs) perform so that the duration of vessels’ stay is minimized. The ship’s load profile, berthing time, number of available bays and QCs are considered. More importantly, clearance and yard congestion constraints need to be included, which respectively ensure that a minimum dista...

2008
Ilaria Vacca Matteo Salani Michel Bierlaire

Seaport container terminals are source of many interesting large-scale optimization problems, which arise in the management of operations at several decision levels. In this paper we firstly illustrate a recently proposed framework, called two-stage column generation (Salani and Vacca, 2008), which is suitable for a particular class of large-scale problems, where the structure of the original f...

2007
Ilaria Vacca Michel Bierlaire Matteo Salani

International sea-freight container transportation has grown dramatically over the last years and container terminals represent nowadays a key actor in the global shipping network. Terminal managers have to face with an increasing competitiveness among terminals, which require more and more efficiency in container operations both along the quayside and within the yard: the objective is usually ...

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