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基于模糊旅行时间的动态交通分配模型

王力 王川久 沈晓蓉 范跃祖

王力, 王川久, 沈晓蓉, 等 . 基于模糊旅行时间的动态交通分配模型[J]. 北京航空航天大学学报, 2005, 31(10): 1149-1152.
引用本文: 王力, 王川久, 沈晓蓉, 等 . 基于模糊旅行时间的动态交通分配模型[J]. 北京航空航天大学学报, 2005, 31(10): 1149-1152.
Wang Li, Wang Chuanjiu, Shen Xiaorong, et al. Dynamic traffic assignment model based on fuzzy travel time[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(10): 1149-1152. (in Chinese)
Citation: Wang Li, Wang Chuanjiu, Shen Xiaorong, et al. Dynamic traffic assignment model based on fuzzy travel time[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(10): 1149-1152. (in Chinese)

基于模糊旅行时间的动态交通分配模型

基金项目: 北京市教委重点学科建设项目(BHBJZB-1-5);博士后基金资助项目(2003034103)
详细信息
  • 中图分类号: U 491

Dynamic traffic assignment model based on fuzzy travel time

  • 摘要: 提出了一种新的模糊动态交通分配(FDTA)模型,采用模糊集合理论描述动态旅行时间,应用模糊h截集的最短路径方法找出模糊最短路径集合,计算各条路径的隶属函数,并采用C-LOGIT模型实现网络加载,最后比较了FDTA模型和经典的随机动态交通分配(SDTA)模型.仿真结果显示:在正常交通状况下FDTA模型能够获得与SDTA模型非常接近的分配结果,并更加符合实际的交通状况;当有交通拥堵、事故、施工/管制等动态交通状况发生时,FDTA模型能够解决动态交通状况的建模问题;当交通网络结构复杂时,通过改变h值可以有效减少模糊最短路径的数量,提高计算效率.

     

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出版历程
  • 收稿日期:  2004-11-19
  • 刊出日期:  2005-10-31

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