集装箱港口拖船动态调度

IF 3.7 3区 工程技术 Q2 TRANSPORTATION
Xiaoyang Wei, Q. Meng, Andrew Lim, Shuai Jia
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引用次数: 8

摘要

拖船服务对于维护集装箱港口船舶运行的安全和效率至关重要。在实践中,拖船服务请求在规划期开始时并不完全为人所知,而是在执行现有拖船调度时不断披露。因此,需要一种切实可行的方法来安排拖船以满足不断到达的要求。然而,目前还没有关于解决这一问题的研究。因此,我们提出了一个动态拖船调度问题,用数学公式化该问题,并开发了一种量身定制的解决方法,该方法可以随着新的服务请求的到来而动态更新拖船调度,从而最大限度地降低整个规划期内的拖船运营成本。通过与基准方法的比较,我们评估了所提出的求解方法的有效性,并表明该求解方法能够在合理的计算时间内获得令人满意的性能。此外,我们通过对基于现实集装箱港口运营创建的各种实例的计算实验,研究了管理见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dynamic tugboat scheduling for container ports
ABSTRACT Tugboat service is important for maintaining the safety and efficiency of ship movements in container ports. In practice, requests for tugboat service are not fully known when the planning horizon begins, but continually revealed while the existing tugboat scheduling is being performed. Thus, a tangible method is required to schedule tugboats to fulfill the continually arrived requests. However, there is no study on addressing this issue. Thus, we propose a dynamic tugboat scheduling problem, formulate the problem mathematically, and develop a tailored solution method that dynamically updates tugboat scheduling as new service requests arrive, so as to minimize the tugboat operation cost of whole planning horizon. We evaluate the effectiveness of the proposed solution method by comparing it with a benchmark method, and show that the solution method is able to achieve satisfactory performance within a reasonable computation time. In addition, we investigate managerial insights via computational experiments on a variety of instances created based on real-life container port operations.
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来源期刊
CiteScore
8.20
自引率
8.60%
发文量
66
期刊介绍: Thirty years ago maritime management decisions were taken on the basis of experience and hunch. Today, the experience is augmented by expert analysis and informed by research findings. Maritime Policy & Management provides the latest findings and analyses, and the opportunity for exchanging views through its Comment Section. A multi-disciplinary and international refereed journal, it brings together papers on the different topics that concern the maritime industry. Emphasis is placed on business, organizational, economic, sociolegal and management topics at port, community, shipping company and shipboard levels. The Journal also provides details of conferences and book reviews.
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