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基于关键路段的路网可靠性的改进

刘海旭 蒲云

刘海旭, 蒲云. 基于关键路段的路网可靠性的改进[J]. 西南交通大学学报, 2006, 19(5): 645-648.
引用本文: 刘海旭, 蒲云. 基于关键路段的路网可靠性的改进[J]. 西南交通大学学报, 2006, 19(5): 645-648.
LIU Haixu, PU Yun. Improvement of Road Network Reliability Based on Critical Links[J]. Journal of Southwest Jiaotong University, 2006, 19(5): 645-648.
Citation: LIU Haixu, PU Yun. Improvement of Road Network Reliability Based on Critical Links[J]. Journal of Southwest Jiaotong University, 2006, 19(5): 645-648.

基于关键路段的路网可靠性的改进

基金项目: 

四川省应用基础项目(D2JYO29-116)

详细信息
    作者简介:

    刘海旭(1974- ),男,博士,主要研究方向为城市交通网络,E-mail:hxliu@home.swjtu.edu.cn

Improvement of Road Network Reliability Based on Critical Links

  • 摘要: 为简化资源约束下路网可靠性的改进问题,只选择关键路段(即被选择的概率大于预定阀值的路段)进行改进.由于出行者在事件(例如地震、洪水、飓风等)前后的路径选择行为用弹性需求随机用户平衡刻画,路段的选择概率可以基于路段水平有效求得,因而容易确定关键路段.建立了以路网净经济效益相关的可靠性最高为目标,并有资源约束的数学模型.提出了模型的一种启发式算法.算例的结果表明了该方法的有效性.

     

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出版历程
  • 收稿日期:  2006-02-20
  • 刊出日期:  2006-10-25

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