Development of VT-Micro model for estimating hot stabilized light duty vehicle and truck emissions

Hesham Rakha; Kyoungho Ahn; Antonio Trani

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Development of VT-Micro model for estimating hot stabilized light duty vehicle and truck emissions

机译：Development of VT-Micro model for estimating hot stabilized light duty vehicle and truck emissions

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摘要

The paper applies a framework for developing microscopic emission models (VT-Micro model version 2.0) for assessing the environmental impacts of transportation projects. The original VT-Micro model was developed using chassis dynamometer data on nine light duty vehicles. The VT-Micro model is expanded by including data from 60 light duty vehicles and trucks. Statistical clustering techniques are applied to group vehicles into homogenous categories. Specifically, classification and regression tree algorithms are utilized to classify the 60 vehicles into 5 LDV and 2 LDT categories. In addition, the framework accounts for temporal lags between vehicle operational variables and measured vehicle emissions. The VT-Micro model is validated by comparing against laboratory measurements with prediction errors within 17%.

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来源
《Transportation research, Part D. Transport and environment》 |2004年第1期|49-74|共26页
作者
Hesham Rakha; Kyoungho Ahn; Antonio Trani;
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作者单位

Department of Civil and Environmental Engineering, Virginia Tech Transportation Institute, Virginia Tech, 3500 Transportation Res Plaza, Blacksburg, VA 24061-0536, USA;

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原文格式 PDF
正文语种英语
中图分类交通运输;
关键词
VT-micro; vehicle emission; microscopic; modeling;

Development of VT-Micro model for estimating hot stabilized light duty vehicle and truck emissions

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