交通运输系统工程与信息

交通运输系统工程与信息 ›› 2011, Vol. 11 ›› Issue (3): 14-20.

• 智能交通系统与信息技术 • 上一篇    下一篇

混合车流微观仿真模型校正方法研究

李嘉*1，王子浜2，董海文3   

  1. 1. 湖南大学 土木工程学院，长沙 410082; 2. 广西壮族自治区交通规划勘察设计研究院, 南宁 530011;3. 长沙市大河西先导区管委会， 长沙 410006
  • 收稿日期:2010-09-08 修回日期:2011-03-28 出版日期:2011-06-25 发布日期:2011-07-18
  • 作者简介:李嘉(1962-)，女，湖南长沙人，教授.
  • 基金资助:

    广西壮族自治区交通厅项目(［2006］619-6) ；长沙市政府项目(［2009］170-29)

A Calibration Method of Microscopic Simulation Models for Mixed Traffic Flow

LI Jia1, WANG Zi-bang2, DONG Hai-wen3   

  1. 1. College of Civil Engineering, Hunan University, Changsha 410082, China; 2. Guangxi Communications Planning Surveying and Designing Institute, Nanning 530011, China; 3. Management Committee of the Great River-west Prior Region of Changsha, Changsha 410006, China
  • Received:2010-09-08 Revised:2011-03-28 Online:2011-06-25 Published:2011-07-18

被引次数

5

摘要： 为了合理准确地模拟车辆间性能差异较大的混合车流，需要从微观层面来校正仿真模型. 针对不同车型和不同道路设施单元, 提出了一套基于混合车流特性的微观仿真模型校正方法，包括参数的敏感性分析、模型参数的校正及校正效果评价等. 最后，借助微观仿真软件CORSIM对高速公路路段仿真模型进行实例验证. 结果显示，在所有车辆平均行程时间满足校正目标的情况下，分车型校正能够保证仿真车型合理表达实际车型的交通特性，证实了校正方法的可行性.

关键词: 公路运输, 微观仿真, 混合车流, 分车型校正, 集计校正, CORSIM

Abstract: A microscopic method may generate more accurate results in simulation model calibration for the mixed traffic flow with greatly different vehicle characteristics. In this paper, a method for mixed traffic flow is developed, which focuses on sensitivity analysis of model parameters, parameters values calibration, and result evaluations, for different vehicle and link types. An example of calibrating microscopic simulation models is carried out using CORSIM. The results show that, when the average travel time in CORSIM is satisfied with the targets, vehicle-type calibration can effectively calibrate the discrepancy between CORSIM and the actual one, and keep the simulated vehicle types in line with actual vehicle types. The method is proven to be effective.

Key words: highway transportation, microscopic simulation, mixed traffic flow；vehicle-type calibration, aggregate calibration, CORSIM

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