Model for evaluation on fuel economy of urban intersection |
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Authors: | FENG Yu-qin ZHANG Ya-ping LENG Jun-qiang SUN Geng FENG Yan-hong |
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Affiliation: | 1. School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China;School of Automobile and Transportation Engineering, Heilongjiang Institute of Technology,Harbin 150050, China 2. School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China 3. School of Automobile Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China 4. School of Information Engineering, Dalian Ocean University, Dalian 116023, China |
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Abstract: | To provide theoretical foundation for reducing fuel consumption at urban intersection,the relationship among traffic state,signal control parameters and fuel economy was studied.The concept of economic saturation was introduced,and evaluation parameter of traffic fuel economy of intersection was proposed.With a large number of field observation data of fuel consumption,models parameters of evaluation on fuel economy in VISSIM were calibrated.The evaluation models were established separately for lane group,approach and intersection with the fuel consumption data under different saturations and splits.In order to demonstrate the performance of the proposed model,a practical intersection was chosen as an example to evaluate.The results showed that it can accurately describe the relationship among traffic state,signal control parameters and fuel economy.It might provide the theoretical basis for improvement traffic management from the perspective of reducing energy consumption. |
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Keywords: | fuel economy intersection traffic state saturation split |
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