人道主义物流系统结构分区的最佳位置和分布的两阶段问题

Q3 Engineering
L. Koriashkina, S. V. Dziuba, S. A. Us, O. Stanina, M. Odnovol
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引用次数: 0

摘要

目的开发一个数学和算法工具包,以便尽早分配运输和物资资源,最大限度地覆盖受影响地区,同时最大限度地缩短疏散时间,从而确保合理组织受紧急情况影响地区的人员疏散。方法。疏散过程的系统分析;数学建模、最优集合划分的连续问题理论、无差别优化。研究结果。研究对象是为受自然或技术性突发事件影响地区的居民提供服务时发生的两阶段疏散物流过程。研究考虑了在运输系统内优化分配人流的可能性,该系统的结构细分为第一阶段中心(负责接收来自受灾地区的公民的急救站)和第二阶段中心(为疏散人口提供进一步服务的紧急援助系统专业单位)。所提出的数学模型处理的问题是,如何通过设置子集中心和附加连接,对一个连续集合进行优化分区。模型的求解方法已作说明。我们展示了这些模型的多功能性,因为它们可用于描述物流疏散过程、组织集结点、中间地点、疏散接待点以及为受灾人口提供主要援助的地点。我们计算出适当数量的必需品,并通过配送中心从现有仓库运送到灾区。独创性。作为在紧急情况下提高人口安全水平的预防措施,我们考虑了救援设施的最佳位置以及疏散交通的区域划分。我们还解决了运输和物流系统中人流的最佳分布问题。实用价值。所介绍的模型、方法和算法能够解决许多实际问题,包括制定预防措施和救援行动规划,以确保紧急情况下的人员安全。获得的理论成果可转化为具体建议,在解决与组织受影响地区人口的初步疏散以及随后将他们运送到更安全地点以获得进一步援助有关的后勤问题时加以利用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Two-stage problems of optimal location and distribution of the humanitarian logistics system’s structural subdivisions
Purpose. To ensure the rational organization of the evacuation of people from a region affected by an emergency by developing a mathematical and algorithmic toolkit that will allow for the early distribution of transport and material resources, maximizing coverage of the affected areas while minimizing evacuation time. Methodology. System analysis of evacuation processes; mathematical modeling, the theory of continuous problems of optimal partitioning of sets, non-differentiable optimization. Findings. The object of the study is the two-stage evacuation logistic processes that occur when serving the population of areas affected by emergencies of a natural or technogenic nature. The research considers the possibility of optimally distributing human flows within the transportation system, the structural subdivisions of which are first-stage centers (first aid stations that carry out the reception of citizens from areas affected by the disaster) and second-stage centers (specialized units of the emergency aid system that provide further services to the evacuated population). The proposed mathematical model deals with the problem of optimally partitioning a continuous set with the placement of subset centers and additional connections. Methods for its solution have been described. We demonstrate the versatility of these models, as they can be used to describe logistic evacuation processes, organize assembly points, intermediate locations, evacuation reception points, and those providing primary assistance to the affected population. We calculate the appropriate number of essential products and deliver them from existing warehouses through distribution centers to the affected areas. Originality. As preventive measures to increase the level of population safety during an emergency, we consider the optimal placement of rescue facilities and the zoning of the territory to distribute evacuation traffic. We also address the problem of the optimal distribution of human flows in the transport and logistics system. Practical value. The presented models, methods, and algorithms enable the solution of many practical problems related to the development of preventive measures and the planning of rescue operations to ensure the population’s safety in case of emergencies. The theoretical results obtained are translated into specific recommendations that can be utilized when addressing logistical problems related to the organization of primary evacuation of the population from affected areas and their subsequent transportation to safer locations for further assistance.
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来源期刊
CiteScore
1.70
自引率
0.00%
发文量
148
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