Ant colony optimisation for solving real-world pickup and delivery problems with hard time windows

Q3 Social Sciences

World Review of Intermodal Transportation Research Pub Date : 2020-03-30 DOI:10.1504/writr.2020.10027965

Anna Syberfeldt, Henrik Smedberg

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引用次数: 0

Abstract

This paper compares the performance of the classic genetic algorithm with the more recently proposed ant colony optimisation for solving real-world pickup and delivery problems with hard time windows. A real-world problem that is present worldwide - waste collection - is used to evaluate the algorithms. As in most real-world waste collection problems, many of the waste bins have time windows. The time windows stem from such things as safety regulations and customer agreements, and must be strictly adhered to. The optimisation showed that the genetic algorithm is better than the ant colony optimisation when utilising standard implementations of both algorithms. However, when the algorithms are enhanced with a local search procedure, the ant colony optimisation immediately becomes superior and achieves improved results. Local search seems to be a drawback for the genetic algorithm when hard time windows are involved. Various implementations of the local search procedure are evaluated in this paper using five different test sets. Recommendations for future implementations are given as well as additional enhancements which could improve the performance of the ant colony optimisation.

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蚁群优化解决现实世界中有困难时间窗口的取货和送货问题

本文比较了经典遗传算法与最近提出的蚁群优化算法的性能，以解决现实世界中具有硬时间窗口的取货和送货问题。一个世界范围内存在的现实问题——垃圾收集——被用来评估算法。在大多数现实世界的垃圾收集问题中，许多垃圾箱都有时间窗口。时间窗口源于安全规定和客户协议等，必须严格遵守。优化结果表明，采用遗传算法和蚁群算法的标准实现时，遗传算法优于蚁群算法。然而，当算法被局部搜索过程增强时，蚁群优化立即变得优越，并取得改进的结果。局部搜索似乎是遗传算法在涉及硬时间窗时的一个缺点。本文使用五个不同的测试集对局部搜索过程的各种实现进行了评估。给出了未来实现的建议以及可以提高蚁群优化性能的其他增强功能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

World Review of Intermodal Transportation Research Social Sciences-Geography, Planning and Development

CiteScore

1.70

自引率

0.00%

发文量

期刊介绍： There is an increasing demand for transportation solutions that are responsive, safe, sustainable, smart and cost-efficient. This has resulted in increased emphasis on responsive intermodal transportation systems. WRITR provides an international forum for the critical evaluation and dissemination of research and development in all areas related to intermodal transportation. Research disseminated via WRITR has significant impact on both theory and practice, and is of value to academics, practitioners and policy makers in this field. Topics covered include: -International trade and transportation -Infrastructure, network design and optimisation -Design, planning and control of transportation systems -Intermodal, intelligent and sustainable transportation solutions -Transportation modes (air, rail, road, sea, pipe) -Transportation cost/benefit analysis -Railroad, terminal and port development -Port/terminal operations and management -Warehousing and inventory management -Transportation regulations, standards and security -Environmental impact, liability and insurance -Risk analysis and management -Information technology and decision support systems -Strategic alliances and relationship management -Government involvement and incentives