| Summary: | 碩士 === 國立臺灣海洋大學 === 航運管理學系 === 101 === Containership slots are the main sale resources for shipping lines. This study addresses the slot reallocation planning for the schedule adjustment of a containership. Shipping lines always confront some situations that have to change ship schedules, such as ship delay, port close, dock inspection, phase-in of new ships, fleet shifts, etc.
These cases will result in some containers that have been on board and prepared to be loaded onto the ship altering original delivery plan. This study formulates an integer programming model for slot reallocation when the alternated schedule has been sure. The model aims to maximize the company’s profits in considering which consignments have to be altered delivery and the possible approaches, as well as the benefit from empty container repositioning.
The available slots are possibly subject to the change of port rotation, cutoff of loading operation, and ship capacities in volumes, deadweights and the number of plugs for reefer containers. The decision of empty container repositioning plan is also involved to cope with the reallocation results. The test results present optimal slot reallocation and empty container repositioning plans of an ocean going loop.
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