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面向尾气预测需求的VMT模型

VMT Estimation Model Based on Emission Estimation
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摘要 车辆行驶里程 (VMT)是机动车尾气排放预测模型的重要输入参数之一 ,VMT值的精确度直接影响了模型的预测精度。文中提出了一种VMT估算模型 ,该模型引入指数回归模型 ,结合采样交通流量和路段特征来估测所有路段流量和VMT ,并按时间和速度进行了进一步划分 ,在实际运用中 。 Vehicie Miles Traveled (VMT) is an important input parameter to emission estimation model,which would affect the accuracy of the model output.This paper presents an alternative VMT estimation approach that incorporates both traffic counts and link attributes through an exponential regression model in estimating 1ink volumes and VMTs,which are then further disaggregated over the speed and time domains.The model coefficients can be calibrated easily in the real-world applications.
出处 《交通环保》 2005年第1期7-9,22,共4页
基金 国家自然科学基金 (5 0 12 2 2 82 ) 教育部博士点基金 (2 0 0 2 0 0 0 4 0 10 ) 北京交通大学校科技基金(2 0 0 2SM0 16 ) 北京市科委项目 (H0 30 6 30 0 5 15 2 0 )
关键词 车辆行驶里程 流量预测 指数回归 vehicle miles traveled volume estimation exponential regression
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参考文献9

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