基于机会-维护的煤炭出口码头装船作业系统调度优化

IF 2.7 3区 地球科学 Q1 ENGINEERING, MARINE
Qi Tian, Yun Peng, Xinglu Xu, Wenyuan Wang
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引用次数: 0

摘要

作为全球煤炭供应链的重要节点,煤炭出口码头承担着煤炭储存、加工和装卸任务,随着近年来煤炭运输市场的不断发展,其效率和稳定性显得尤为重要。然而,煤炭出口码头装卸设备的工作条件较差,加之其布局相对固定,灵活性较差,设备故障频发,严重影响了装船作业。为解决这一问题,本文构建了一个考虑设备维护的装船作业系统调度优化模型,并提出了一种基于机会维护的双层算法来求解该模型。上层算法旨在优化特定维护计划下装船作业系统的调度方案。下层算法是一种基于机会维护的 "设备级-流量级 "维护优化方法,用于确定最佳设备维护计划。以中国某煤炭出口码头为例,验证了所提方法的有效性。结果表明,所提出的方法可使船舶在码头的平均停留时间减少 15.8%,总调度和维护成本节约 10.3%。本文展示了如何充分利用设备故障历史数据,将设备维护方案融入到装船作业系统的调度问题中,从而有效降低设备故障对装船作业的影响,为煤炭出口码头管理提供决策支持。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Opportunity-Maintenance-Based Scheduling Optimization for Ship-Loading Operation Systems in Coal Export Terminals
As important nodes of the global coal supply chain, coal export terminals bear the tasks of coal storage, processing, and handling, whose efficiency and stability are of great importance with the growing coal shipping market in recent years. However, poor working conditions of the handling equipment in the coal export terminal, together with its relatively fixed layout and poor flexibility, allow frequent equipment failures to seriously affect the ship-loading operations. To solve the problem, this paper constructs a scheduling optimization model for ship-loading operation systems considering equipment maintenance and proposes an opportunity-maintenance-based two-layer algorithm to solve the model. The upper layer aims to optimize the scheduling scheme of the ship-loading operation system under a certain maintenance plan. The lower layer of the algorithm, an opportunity-maintenance-based “equipment-level–flow-level” maintenance optimization method, determines the best equipment maintenance plan. A coal export terminal in China is employed as the case study to verify the effectiveness of the proposed method. The results show that the proposed method can reduce the average dwell time of ships at the terminal by 15.8% and save total scheduling and maintenance costs by 10.3%. This paper shows how to make full use of equipment failure historical data and integrate equipment maintenance schemes into the scheduling problem of the ship-loading operation system, which can effectively reduce the impact of equipment failures on ship-loading operations and provide decision support for coal export terminal management.
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来源期刊
Journal of Marine Science and Engineering
Journal of Marine Science and Engineering Engineering-Ocean Engineering
CiteScore
4.40
自引率
20.70%
发文量
1640
审稿时长
18.09 days
期刊介绍: Journal of Marine Science and Engineering (JMSE; ISSN 2077-1312) is an international, peer-reviewed open access journal which provides an advanced forum for studies related to marine science and engineering. It publishes reviews, research papers and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.
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