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基于交通流实测数据的加速度研究

尹凯弘 吴正 郭明旻

尹凯弘, 吴正, 郭明旻. 基于交通流实测数据的加速度研究[J]. 力学学报, 2015, 47(2): 242-251. doi: 10.6052/0459-1879-14-213
引用本文: 尹凯弘, 吴正, 郭明旻. 基于交通流实测数据的加速度研究[J]. 力学学报, 2015, 47(2): 242-251. doi: 10.6052/0459-1879-14-213
Yin Kaihong, Wu Zheng, Guo Mingmin. STUDY ON THE ACCELERATION OF TRAFFIC FLOW BASED ON THE EMPIRICAL DATA[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(2): 242-251. doi: 10.6052/0459-1879-14-213
Citation: Yin Kaihong, Wu Zheng, Guo Mingmin. STUDY ON THE ACCELERATION OF TRAFFIC FLOW BASED ON THE EMPIRICAL DATA[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(2): 242-251. doi: 10.6052/0459-1879-14-213

基于交通流实测数据的加速度研究

doi: 10.6052/0459-1879-14-213
基金项目: 国家自然科学基金资助项目(11002035, 10772050, 11372147).
详细信息
    通讯作者:

    郭明旻,讲师,主要研究方向:交通流,实验流体力学.E-mail:mmguo@fudan.edu.cn

  • 中图分类号: O39;U491.112

STUDY ON THE ACCELERATION OF TRAFFIC FLOW BASED ON THE EMPIRICAL DATA

Funds: The project was supported by the National Natural Science Foundation of China (11002035, 10772050, 11372147).
  • 摘要: 采用6 个不同密度下的交通流样本, 从视频中提取大量跟驰车对的车头间距、车速、加速度和速度差数据. 统计分析发现, 加速度值域关于0 点具有对称性; 不同密度下加速度分布具有不同特征; 车头间距、车速和速度差对加速度的影响程度随密度不同而不同. 利用实测数据对GM 模型和Bando 模型进行参数优化, 据此提出一种GM 模型的简化形式和一种改进的Bando 模型, 两者拟合该文实测数据的平均误差都在6% 以下.

     

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出版历程
  • 收稿日期:  2014-07-17
  • 修回日期:  2014-12-17
  • 刊出日期:  2015-03-18

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