基于PEMS技术的收费站尾气排放模型分析

交通运输系统工程与信息 ›› 2008, Vol. 8 ›› Issue (3): 49-57 .

基于PEMS技术的收费站尾气排放模型分析

宋国华¹;于雷^{*1, 2};张潇³

1. 北京交通大学交通运输学院，北京 100044，2. 德克萨斯南方大学交通学院，休斯敦 77004，3. 国家开发银行山西分行，太原 030002

收稿日期:2007-12-06 修回日期:2008-03-27 出版日期:2008-06-25 发布日期:2008-06-25
通讯作者: 于雷
作者简介:宋国华（1979-），男，山西人，博士生.
基金资助:
国家自然科学基金(50522206)和教育部博士点基金(T06C10020).

Emission Analysis at a Toll Station Using PEMS’ Measurement

SONG Guo-hua¹;YU Lei ^{1, 2};ZHANG Xiao³

1. School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044,China; 2. Department of Transportation Studies, Texas Southern University, Houston, TX 77004; 3. China Development Bank, Shanxi Branch, Taiyuan 030002,China

Received:2007-12-06 Revised:2008-03-27 Online:2008-06-25 Published:2008-06-25
Contact: YU Lei

摘要/Abstract

摘要： 利用车载尾气排放检测系统（PEMS）对捷达轻型车在高速公路人工收费（MTC）和电子收费（ETC）两种方式下的大量尾气排放数据进行了收集和比较。分析结果表明ETC能降低所有污染物的排放，但NOx的降幅却远低于HC和CO的降幅。应用车辆比功率（VSP）模型方法进行了深入的排放预测研究，研究发现[-2, 2]是收费站尾气排放预测的重要VSP区间。对[-2, 2]进行VSP区间细分后，排放预测的准确度得到了提高。对车辆速度、VSP、NOx累积排放的全面分析解释了NOx降幅低于其他污染物的原因。最后对利用排队长度的排放预测模型进行了研究，发现该模型不适用于MTC方式下的NOx排放预测。

关键词: 电子收费（ETC）, 尾气排放, 车载尾气检测系统（PEMS）

Abstract: The real-world vehicle emission and activity data of a light-duty-gasoline vehicle, Jetta, were collected at a freeway toll station using PEMS. The data on both electronic toll collection (ETC) lanes and manual toll collection (MTC) lanes were collected for comparison. Data analysis showed that all emissions have been reduced by using ETC. However, the emission reduction of NOx was much less than those of HC and CO. Further, vehicle specific power (VSP) based emission estimation approaches were studied using the collected data, in which some errors in common were identified. For the toll station, the VSP interval [-2, 2] was found to be a critical interval in the driving modes as well as in the average emission rates. A finer binning approach was applied, and the accuracy of the emission estimation for the toll station was improved. Subsequently, a comprehensive analysis on speed, VSP, and the accumulated emissions around the tollbooths was conducted to explain why the percentage of NOx reduction was much less than those of HC and CO. Finally, a queue-based emission estimation model was studied for MTC lanes, in which the model was found not suitable for the estimation of NOx emission.

Key words: electronic toll collection (ETC), emissions, portable emission measurement system (PEMS)

中图分类号:

U495

宋国华,于雷,张潇. 基于PEMS技术的收费站尾气排放模型分析[J]. 交通运输系统工程与信息, 2008, 8(3): 49-57 .

SONG Guo-hua,YU Lei,ZHANG Xiao. Emission Analysis at a Toll Station Using PEMS’ Measurement[J]. Journal of Transportation Systems Engineering and Information Technology, 2008, 8(3): 49-57 .

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