نتایج جستجو برای: yard crane scheduling

تعداد نتایج: 74132  

Journal: :Transportation Research Procedia 2018

Journal: :Journal of Marine Science and Engineering 2023

A new layout of the U-shaped automated terminal is more convenient to connect between and railway. In this study, a sort cluster scheduling method for multiple equipment yard railway proposed. The innovation points are as follows: (1) Considering that rail gantry crane (RGC), intelligent guided vehicle (IGV), double cantilever (DCRC) usually work in groups, they grouped cluster-scheduled. (2) h...

2014
Emily Jane Eleftheria Duane

The motivation for this thesis resulted from a study of semi-automated rail mounted gantry cranes at an Australian seaport container terminal. The Sequential Ordering Problem with Time Windows (SOP-TW) can arise as a subproblem of these crane operations. The SOP-TW corresponds to the task of scheduling a single crane to move a set of containers, where each container has: a fixed pick-up locatio...

Journal: :Computers & Industrial Engineering 2021

Decision support systems and automated planning have become essential for the effective management of seaport container terminals. Due to ever-increasing levels maritime traffic freight transportation, terminals are expected facilitate their intra-yard operations while respecting tighter vessel schedules. Employed models must therefore be capable providing berth allocation decisions which not o...

2007
Byung Joo PARK Hyung Rim CHOI

In order to become a mega hub port, major ports all over the world are making every effort to enhance their productivity through efficiency of internal operation. Accordingly, in order to enhance the competitiveness of a container terminal, an automated container terminal is considered as the best alternative. An automated container terminal is using such automated handling equipment as AGV (Au...

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...

2003
Andrew Lim Brian Rodrigues Fei Xiao Yi Zhu

In this work, we examine port crane scheduling with spatial and separation constraints. Although common to most port operations, these constraints have not been previously studied. We assume that cranes cannot cross, there is a minimum distance between cranes and jobs cannot be done simultaneously. The objective is to find a crane-to-job matching which maximizes throughput under these constrain...

Journal: :JORS 2010
A. Wong Erhan Kozan

Seaport container terminals are an important part of the logistics systems in international trades. This paper investigates the relationship between quay cranes, yard machines and container storage locations in a multi-berth and multi-ship environment. The aims are to develop a model for improving the operation efficiency of the seaports and to develop an analytical tool for yard operation plan...

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