基于VISSIM的道路交通排放评价可行性分析.docx

第13卷第5期 交通运输系统工程与信息 第13卷第5期 交通运输系统工程与信息 V01．13 No．5 2013年l 0月 Journal of Transportation Systems Engineering and Information Technology October 2013 文章编号：1009-6744(2013)05-0056-08 基于VISSIM的道路交通排放评价可行性分析 黎 明1，宋国华“，于 雷1一，张嫣红3 (1．北京交通大学城市交通复杂系统理论与技术教育部重点实验室，北京100044； 2．德克萨斯南方大学，休斯敦77004；3．河北省交通规划设计院，石家庄050011) 摘要： 目前，VISSIM仿真工具与排放模型相结合的方法已被广泛应用于交通排放测 算中，但该方法的测算精度尚未得到充分论证．在此背景下，本文通过收集大量的车辆 实际行驶数据和VISSIM输出的仿真数据，对比分析由两类数据得到的排放关键参 数——VSP分布，发现二者之间存在明显的差异性；随后基于VSP分布，本文将由 VISSIM输出数据得到的排放因子与真实值对比，指出基于VISSIM仿真的排放测算具 有显著误差．最后，在分析了VISSIM中8个参数调整前后VSP分布的变化后，发现上 述参数对VSP分布的敏感性较低，表明传统的标定方法难以使VISSIM满足排放测算 的需要． 关键词： 城市交通；VSP分布；VISSIM；尾气排放；模型标定 中图分类号：U491．2 文献标识码：A Feasibility Analysis of Emission Evaluation for Road Traffic Based on VISSIM LI Min91，SONG Guo—hual，YU Lei1一，ZHANG Yan—hon93 (1．MOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology，Beijing Jiaotong University， Beijing 100044，China；2．Department of Transportation Studies，Texas Southern University，Houston，TX 77004，USA； 3．Hebei Provincial Communications Planning and Design Institute，Shijiazhuang 05001 1，China) Abstract： Nowadays the integration of VISSIM and emission models has been widely applied in estimating emissions at home and abroad．However，the estimation accuracy of emissions by such approach has not been effectively evaluated．In this context，by collecting massive driving and simulated vehicle activity data， this paper conducted comparative analysis of the difference between them based the explanatory parameter of vehicle emissions—vehicle specific power(VSP)distribution．This paper found that the simulated VSP distribution led to high in estimating emission factors．At last，with analysis of adjustments 8 parameters of VISSIM，it was found that these parameters not sensitive VSP distributions，and the current approach of model calibration may not be able to improve VISSIM meet the needs of emission estimations． Key words： urban traffic；VSP distribution；VISSIM；v