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ID:34793526
大小:1.70 MB
页数:63页
时间:2019-03-10
《双目标的应急服务设施网络连续选址模型研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、上海海事大学硕士学位论文双目标的应急服务设施网络连续选址模型研究姓名:朱宝进申请学位级别:硕士专业:交通运输规划与管理指导教师:余静20070601上海海事大学硕士学位论文双目标的应急服务设施网络连续选址模型研究摘要应急服务设施的选址问题是应急系统设计的关键问题,将应急服务点置于合理的位置,不仅可以降低运营成本,而且还能够保证应急物资供应的时效性。本文结合P-中值模型和P冲心模型的核心思想,统一应急需求点的权重距离和与整个应急系统的应急反应期,建立了单点的双目标网络连续选址模型和多点的双目标网络连续选址模型,保证应急服务点尽量靠近权重大的需求点,并追求应
2、急服务水平的最大化。针对单点的双目标连续选址模型,本文给出了求解的方法,同时严格的证明了求解方法的正确性,并结合算例说明了求解过程。针对多点网络选址问题,本文应用了相对可靠性概念,将多个应急服务点的连续选址问题转化为有限个单点应急服务的连续选址子问题,设计了有效的遗传优化算子,通过算例展现了整个算法流程。最后以上海崇明内河危险品码头为背景,通过内河应急服务点单个和多个布局实例,验证了模型的实际可操作性。关键词:双目标;应急选址;应急服务水平;遗传算法上海海事大学硕士学位论文双目标的应急服务设施网络连续选址模型研究Studyonnetworkcontinu
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