Simulation-based performance evaluation of transport vehicles at automated container terminals

Chang Ho Yang (), Yong Seok Choi () and Tae Young Ha ()
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Chang Ho Yang: Korea Maritime Institute
Yong Seok Choi: Korea Maritime Institute
Tae Young Ha: Korea Maritime Institute

A chapter in Container Terminals and Automated Transport Systems, 2005, pp 79-100 from Springer

Abstract: Abstract Significant unproductive and costly waiting occurs during AGV (Automated Guided Vehicle) use, both under the CC (Container Crane) and in the blocks compared to that of a manual yard tractor. A possible solution to this problem is that, in the design of ACT (Automated Container Terminals), ALV (Automated Lifting Vehicles), which can load and unload their own containers, be considered as an alternative. In this paper, the objective is to analyze how increases in the use of ALVs rather than AGVs affects the productivity of ACTs. We derived four inferences regarding the cycle time of vehicles and verified their validity in a simulation. A simulation model of an ACT with perpendicular layout was developed and is described in this paper. From the results of the simulation analysis, we determined the savings effect by cycle time and the required number of vehicles. We demonstrated that the ALV is superior to the AGV in both productivity and efficiency principally because the ALV eliminates the waiting time in the buffer zone.

Keywords: AGV (Automated Guided Vehicle); ALV (Automated Lifting Vehicle); ACT (Automated Container Terminal); Simulation model; Productivity (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-26686-0_3

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DOI: 10.1007/3-540-26686-0_3

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