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MOVES -based evaluation of the micro-level transport emissions

Author: HuangGuanTao
Tutor: YuLei
School: Beijing Jiaotong University
Course: Transportation Planning and Management
Keywords: MOVES Micro-level Average speed VSP Distribution of operating conditions Transport emissions evaluation
CLC: X734.2
Type: Master's thesis
Year: 2011
Downloads: 342
Quote: 1
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Abstract


Urban vehicle population has led to an increasing amount of increasingly serious environmental pollution problems. In response to growth in vehicle ownership environmental problems, developed a series of strategies to reduce vehicle traffic emissions. How to accurately quantify emissions from motor vehicle exhaust emissions transport policy is effective evaluation of the effects of the key. The use of motor vehicle exhaust emissions calculation model is an important issue and sometimes temporary traffic state is an accurate characterization. However, the existing model of vehicle emissions in the transport state parameters accurately portray the effective acquisition and there are serious deficiencies. In this context, this paper developed a new generation based on U.S. EPA emissions model MOVES, proposed road traffic status parameters of the micro-level access methods, and improved micro-level emissions quantification methods. Specific research work are as follows: First, for domestic and foreign motor vehicle exhaust quantitative evaluation model unfold Research. Comparative analysis of the current international mainstream emissions model structure, principles and development trends, emissions calculations based on the accuracy of calculated level comprehensive advantages of this study to determine MOVES as the target model. Then, from the combination of the dynamic traffic parameters to determine the angle of the micro-level as MOVES model object of this study. Second, for the MOVES model for local micro-level parameter sensitivity analysis, the analysis shows emission parameters and measurement results for the age of the vehicle speed greater sensitivity parameters. Third, MOVES model three speed parameters - average speed, driving cycles and operating conditions (VSP) distributed in the emission calculation process differences and relations are discussed. And comparative analysis of the fast road sections and non-freeway road operating conditions, results showed that the use of VSP distribution can be more accurate than the other two parameters describe the vehicle operating characteristics. Fourth, this paper were presented average speed, driving cycles and operating conditions of distribution and other important traffic parameters in GPS and non-GPS devices have under the conditions of access methods, and other parameters of the acquisition method. On this basis, expand based on measured data every second, based on the average speed and operating conditions based on the distribution of traffic emission factors were analyzed. Analysis found: Based on the distribution of the operating conditions and emission factor estimates obtained experimental results closer to that for fuel consumption, CO2, NOx, CO and HC measurement accuracy compared with the estimates based on the average speed can be increased by the maximum accuracy of 68%, 74%, 77 %, 87% and 43%. Finally, using the proposed method to obtain traffic parameters, select the instance of electronic toll collection measures applied. Through comparative analysis of motor vehicle lane through the ETC and MTC emissions found that by ETC lane of HC, CO, NOx and CO2 emission factors were compared through MTC lane cut by 48%, 36%, 50% and 47% respectively, and measured results are in good agreement. The results show that: the proposed traffic state parameter acquisition method can effectively transport emissions on the micro-level evaluation.

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > Transportation industry,waste disposal and comprehensive utilization > Highway > Car
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