Estimating the Cycle Time of Container Handling in Terminals

One of the most important performance measurements in a container terminal is the productivity of the container handling system. This productivity is highly dependent, not only on the mechanical cycle time of each piece of handling equipment, but also on the idle time experienced by a piece of equip...

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Bibliographic Details
Published inInternational Information Institute (Tokyo). Information Vol. 15; no. 12C; pp. 6077 - 6097
Main Authors Phan, Mai-Ha Thi, Kim, Kap Hwan
Format Journal Article
LanguageEnglish
Published Koganei International Information Institute 01.12.2012
Subjects
Computer simulation
Containers
Cranes
Cycle time
Handling
Handling equipment
Materials handling
Productivity
Queuing theory
Simulation
Storage
Stress concentration
Transport buildings, stations and terminals
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Summary:One of the most important performance measurements in a container terminal is the productivity of the container handling system. This productivity is highly dependent, not only on the mechanical cycle time of each piece of handling equipment, but also on the idle time experienced by a piece of equipment when waiting for another piece of equipment during the handover of containers. This paper suggests a method to estimate the cycle time of an entire container handling system in a container terminal by using the normally distributed mechanical cycle time for each loading and unloading process performed by quay cranes, transporters, and the handling equipment in the yard storage system. This study presents a method that analyzes container handling systems in which containers are moved through multiple stages; there may be buffer spaces between adjacent stages for temporarily storing containers. The numerical results obtained through the analytic procedure are then compared to those obtained by simulation studies.
ISSN:1343-4500
1344-8994