Joint Scheduling of Vessel Traffic and Pilots in Seaport Waters
In the busiest seaports, vessel traffic and vessel pilotage management plays a crucial role in congestion mitigation. The management of vessel traffic and vessel pilotage involves scheduling the vessels for sailing into and out of a seaport and scheduling the pilots for navigating the vessels in the port waters. In this paper, we study the integrated vessel traffic and pilot scheduling problem of a seaport. We manage the vessel traffic by optimizing the utilization of the navigation channels and the utilization of the anchorage areas in the terminal basin, and incorporate the decision of pilot scheduling into the decision of vessel traffic management for congestion mitigation and vessel service enhancement. We formulate the problem on a time-space network with vessel- and pilot-dependent arc costs, and develop an integer programming model that minimizes the sum of the berthing and departure tardiness cost of vessels, the cost of unsatisfied vessel service requests, and the pilot dispatching cost. For solving the model, we enumerate feasible vessel paths a priori and develop a Lagrangian relaxation algorithm that decomposes the problem into a vessel path assignment subproblem and a pilot path assignment subproblem. Computational performance of the Lagrangian relaxation algorithm is tested on problem instances generated based on the physical layout and operational data of the Waigaoqiao Port in Shanghai
Year of publication: |
2020
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Authors: | Jia, Shuai ; Wu, Lingxiao ; Meng, Qiang |
Publisher: |
[S.l.] : SSRN |
Saved in:
freely available
Extent: | 1 Online-Ressource (47 p) |
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Type of publication: | Book / Working Paper |
Language: | English |
Notes: | In: Transportation Science Nach Informationen von SSRN wurde die ursprüngliche Fassung des Dokuments December 3, 2019 erstellt |
Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10014032325
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