运筹学学报 >
2018 , Vol. 22 >Issue 3: 28 - 36
DOI: https://doi.org/10.15960/j.cnki.issn.1007-6093.2018.03.003
具有预知信息的集装箱码头泊位与岸桥联合调度在线模型
收稿日期: 2016-03-18
网络出版日期: 2018-09-15
基金资助
国家自然科学基金(Nos. 71771048, 71832001), 中央高校基本科研业务费专项资金项目资助
A study of online berth and quay crane integrated allocation problem with lookahead ability
Received date: 2016-03-18
Online published: 2018-09-15
李英, 乔龙亮, 郑斐峰 . 具有预知信息的集装箱码头泊位与岸桥联合调度在线模型[J]. 运筹学学报, 2018 , 22(3) : 28 -36 . DOI: 10.15960/j.cnki.issn.1007-6093.2018.03.003
This paper studies an online over-list model of berth and quay crane integrated allocation problem, and it focuses on the case with lookahead ability such that on the release of any request, an online player can foresee the next k(k \geq 2) requests. The objective is to minimize the maximum completion time of a request, i.e., the makespan. It is assumed that there are two different sized requests, a hybrid berth consisting of three discrete berths and four quay cranes. We first prove several lower bounds of competitive ratio for k \geq 2, and then present an optimal 7/6-competitive algorithm for the case with k=2. Numerical results further demonstrate that the proposed algorithm behaves well in average performance.
Key words: scheduling; online algorithm; competitive ratio; container port; lookahead
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