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引用次数: 0
摘要
全世界的城市市政当局都在使用街道清扫,但大规模实施需要大量的规划工作。市政当局通常采用宏观和微观方法,利用作业区来分配路线,但在不了解预期工作量、路线数量以及往返仓库的路程的情况下创建作业区,可能会导致统计数据增加。本文结合启发式方法,在宏观上分配扫街区域,在微观上生成扫街路线。在区域分配方面,提出了一种两阶段聚类方法,利用了加权 K 均值算法和差分进化算法。在路线优化方面,使用三阶段增强合并算法创建初始解决方案,使用改进版的赫霍尔泽算法和塔布搜索将掉头最小化,并使用前向搜索蚁群优化去除剩余的掉头。在加拿大奥沙瓦市进行的案例研究验证了所提出的方法,所有指标都得到了理论上的改善。
Municipal street-sweeping area generation with route optimization
Street sweeping is used in urban municipalities worldwide but requires a great deal of planning for large-scale implementation. Municipalities typically make use of the macro- and microapproach by using operational areas in which routes are assigned, but creating operational areas without an understanding of the expected workload, number of routes, and the travel distance to and from the depot may lead to increased statistics. In this paper, a combination of heuristic approaches is used to assign street-sweeping areas on the macroscale and generate street-sweeping routes on the microscale. For the area assignment, a two-stage cluster approach is proposed, making use of the weighted k-means algorithm and differential evolution. For the route optimization, a three-phase augment merge algorithm is used to create initial solutions, the u-turns are minimized with a modified version of Hierholzer's algorithm and tabu search, and the remaining u-turns are removed using a forward-searching ant colony optimization. A case study in The City of Oshawa, Canada, was used to verify the proposed methodology, and all metrics were theoretically improved.
期刊介绍:
International Transactions in Operational Research (ITOR) aims to advance the understanding and practice of Operational Research (OR) and Management Science internationally. Its scope includes:
International problems, such as those of fisheries management, environmental issues, and global competitiveness
International work done by major OR figures
Studies of worldwide interest from nations with emerging OR communities
National or regional OR work which has the potential for application in other nations
Technical developments of international interest
Specific organizational examples that can be applied in other countries
National and international presentations of transnational interest
Broadly relevant professional issues, such as those of ethics and practice
Applications relevant to global industries, such as operations management, manufacturing, and logistics.