考虑满意度的轴辐式网络应急物资配送多目标模糊优化模型
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TP 18; F 252

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国家自然科学基金资助项目(72174121);上海高校特聘教授(东方学者)岗位计划资助;上海市自然科学基金资助项目 (21ZR1444100)


A multi-objective fuzzy optimization model for emergency supplies distribution in hub-and-spoke network considering satisfaction
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    摘要:

    针对灾后应急物资配送中如何衡量灾民内心满意度的问题,综合考虑时间满意度和物资满意度,采用一般性模糊数与梯形模糊数表示应急救援物资到达量及物资到达时间的不确定性,以满意度最大、成本最小、覆盖率最大作为突发事件应急救援目标,在轴辐式网络框架下,构建灾后应急物资配送的多目标模糊优化模型,通过改进贪心算法对模型进行求解。研究结果表明,构建的轴辐式网络应急物资配送多目标模糊优化模型,在满足灾后应急救援物资量和时间需求的基本前提下,能够实现满意度最大和应急救援成本最小的目标。最后,以2023年福建省洪涝灾害为案例背景,为确保各个受灾点需求得到最大程度的满足,应用改进模型与算法,对福建省9个地级市的应急物资配送问题进行模拟仿真,从而验证模型的可行性。

    Abstract:

    In response to the problem of how to measure the satisfaction of disaster victims in the emergency supplies distribution after disasters, this study comprehensively considered both time and supplies satisfaction. By leveraging general fuzzy numbers and trapezoidal fuzzy numbers to represent the uncertainties in emergency relief supplies arrival quantities and delivery times, a multi-objective fuzzy optimization model under the hub-and-spoke network framework was constructed. The model simultaneously pursues three objectives: maximizing satisfaction, minimizing costs and maximizing coverage. An improved greedy algorithm was developed to solve the proposed model. The results demonstrate that the hub-and-spoke network-based multi-objective fuzzy optimization model can maximize comprehensive satisfaction while minimizing emergency costs, and meeting basic requirements for emergency supplies quantities and timeliness. Finally, taking the flood disasters in Fujian Province in 2023 as the case background, the improved model and algorithm were applied to simulate the emergency supplies distribution problem in 9 prefecture-level cities, so as to ensure that the needs of each disaster-stricken site were met to the greatest extent, thus verifying the feasibility of the model.

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霍良安,钱天晟.考虑满意度的轴辐式网络应急物资配送多目标模糊优化模型[J].上海理工大学学报,2025,47(2):129-138.

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  • 收稿日期:2024-10-22
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  • 在线发布日期: 2025-05-21
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