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Trans. Planning Journal
| Title | Quay Crane Scheduling at Container Terminal |
|---|---|
| Author | Hua-An Lu, Cheng-Wei Lin |
| Summary | Quay crane is the main equipment to play the core role of loading and unloading containers in seaport terminal. Besides it possesses the interface function between waterside and stevedoring systems, the performance of quay cranes is naturally one of the most important indexes for assessing the efficiency of a container terminal. The problem of quay crane scheduling not only considers the arrangement of service time windows, but also needs to avoid crossing each other and to assign neighbored cranes for a vessel. Following to these physical limitations, we formulated a tactical crane scheduling model with a min-max objective function of working times for all concerned cranes. It can be transferred into a mixed integer programming model. We applied it to a real-world case from the studied company and solved by the commercial optimization software OPL. Test results show as same as the practical concept that cranes deployed in the middle positions can support the task assignment of others. From the sensitivity analysis, we found that the berth allocation for each concerned vessel is a critical factor to reach the target of averaging working times for all cranes. |
| Vol. | 35 |
| No. | 3 |
| Page | 281 |
| Year | 2006 |
| Month | 9 |
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