面向动态需求的无人机物流配送中心选址研究
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南京航空航天大学民航学院

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国家自然科学基金(U2433204)


Research on the Location Selection of UAV Logistics Distribution Centers for Dynamic Demand
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    摘要:

    针对城市环境下的物流配送中心选址问题,考虑城市动态发展情景和无人机自身特性是提升配送中心选址方案科学性和实用性的关键。首先根据城市发展情况设置“自然生成”、“环形扩散”和“定向开发”3种不同动态需求场景,构建以选址成本和运行成本总和最小为优化目标的全覆盖选址模型。然后,为提高模型求解精度,利用栅格法对传统K-Means聚类算法加以改进。最后,通过数值仿真验证,证明了模型与算法的可行性与有效性。结果表明:改进的K-Means聚类算法聚类程度更高,最高可降低运输能耗11.87%;采取动态策略的配送中心总成本较静态策略总成本更低,降幅可达12.30%(环形扩散情景)至34.43%(自然生成情景);除非在极其特殊的场景下(如新建成本异常高或者新增需求完全集中于单一年份),动态规划策略均是更优选择。

    Abstract:

    Addressing the location selection problem for urban logistics distribution centers, incorporation of urban dynamic development scenarios and unmanned aerial vehicle(UAV) characteristics is crucial to enhance solution scientificity and practicality. First, three dynamic demand scenarios—organic growth, radial expansion, and directional development—were established based on urban development patterns. A full-coverage location model minimizing total location and operational costs was formulated. Subsequently, the traditional K-Means algorithm was enhanced using a grid-based method to improve solution accuracy. Numerical simulations demonstrated model feasibility and effectiveness, revealing that: (1)The improved K-Means achieved higher clustering accuracy, reducing transportation energy consumption by up to 11.87%; (2) Dynamic strategy yielded 12.30%–34.43% lower total costs than static strategy (minimal reduction in radial expansion; maximal in organic growth); (3) Dynamic strategy outperformed static strategy except under extreme instances (e.g., abnormally high construction costs or single-year demand concentration).

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历史
  • 收稿日期:2025-08-08
  • 最后修改日期:2025-10-12
  • 录用日期:2025-10-13
  • 在线发布日期: 2026-06-05
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