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用密度-流量关系模型解释交通流量陡降现象

王欣 王炜 李文权 程琳

王欣, 王炜, 李文权, 程琳. 用密度-流量关系模型解释交通流量陡降现象[J]. 西南交通大学学报, 2009, 22(1): 141-146.
引用本文: 王欣, 王炜, 李文权, 程琳. 用密度-流量关系模型解释交通流量陡降现象[J]. 西南交通大学学报, 2009, 22(1): 141-146.
WANG Xin, WANG Wei, LI Wenquan, CHENG Lin. Interpretation of Traffic Flow Breakdown with Density-Flow Model[J]. Journal of Southwest Jiaotong University, 2009, 22(1): 141-146.
Citation: WANG Xin, WANG Wei, LI Wenquan, CHENG Lin. Interpretation of Traffic Flow Breakdown with Density-Flow Model[J]. Journal of Southwest Jiaotong University, 2009, 22(1): 141-146.

用密度-流量关系模型解释交通流量陡降现象

基金项目: 

国家高技术研究发展计划课题(2007AA1Z210)

详细信息
    作者简介:

    王欣(1968- ),男,博士研究生,从事交通规划与管理研究,电话:13512514550,E-mail:njwangxin_email@163.com

    通讯作者:

    王炜(1959- ),男,教授,博士,从事交通规划与管理研究,E-mail:Wangwei@seu.edu.cn

Interpretation of Traffic Flow Breakdown with Density-Flow Model

  • 摘要: 用密度-流量关系模型解释交通流量陡降现象.为了解释交通流量陡降现象,提取了车头间距和驾驶员反应时间等驾驶行为共性参数.利用这些共性参数,建立了车流-回波速度、速度-密度和密度-流量关系模型.根据驾驶员在加速和减速时反应时间,计算了回波速度和密度-流量关系.计算结果表明,随驾驶员反应时间减少,回波速度峰值减小,流量峰值增大.驾驶员反应时间的变化是产生流量陡降现象的根本原因.

     

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出版历程
  • 收稿日期:  2008-08-18
  • 刊出日期:  2009-02-18

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