A HYBRID SELF-ORGANIZING SCHEDULING METHOD FOR SHIPS IN RESTRICTED TWO-WAY WATERWAYS

被引:5
作者
Wang, Hongbo [1 ]
Tian, Wuliu [2 ]
Zhang, Jinfen [3 ]
Li, Yongjiang [4 ]
机构
[1] Guangdong Ocean Univ, Maritime Coll, Zhanjiang, Peoples R China
[2] Beibu Gulf Univ, Maritime Coll, Qinzhou, Peoples R China
[3] Wuhan Univ Technol, Natl Engn Res Ctr Water Transport Safety, Wuhan, Peoples R China
[4] Guangdong Ocean Univ, Sch Math & Comp, Zhanjiang, Peoples R China
来源
BRODOGRADNJA | 2020年 / 71卷 / 02期
关键词
restricted waterways; traffic efficiency; ship scheduling; self-organizing; COLLISION-AVOIDANCE; MODEL; ORGANIZATION; MANAGEMENT; NAVIGATION; CAPACITY;
D O I
10.21278/brod71202
中图分类号
U6 [水路运输]; P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
Traffic conflicts between ships are one of the most important reasons causing delays in restricted waterways. Aiming to improve the traffic efficiency, a hybrid self-organizing scheduling (HSOS) method for restricted two-way waterways is proposed. Ship transportation system is treated as a distributive and self-organized system under uncertainties. Each ship makes the decision on when to enter the waterway and how to keep the safe distance between them, while the VTS center could manage the direction of traffic flow according to the navigation situations. In order to reduce the traffic conflict between the opposite directions, small ships are given higher priority than the large ships in the same direction. When the large ships are accumulating, they are given higher priority than small ships in the same direction. The large ships are delayed while small ships decrease the waiting time. The trade-off between small and large ships can enhance efficiency by accumulating the large ships. Comparing the results from HSOS with First Come First Served (FCFS), it can effectively reduce the average delays brought by large ships, especially at high arrival rates.
引用
收藏
页码:15 / 30
页数:16
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