城市道路交叉口電動自行車與機動車交通沖突研究
[Abstract]:Electric bicycle is more and more popular because of its convenience and speed. At the same time, due to the rapid growth of the number of electric bicycles in roads, the traffic safety and efficiency of roads and intersections are seriously affected. Especially in the intersection, the traffic conflict between electric bicycle and motor vehicle is very serious under the condition of mixed operation, and traffic accidents occur from time to time. Therefore, it is of great practical significance to study the conflicts between electric bicycles and motor vehicles at urban road intersections. First of all, through investigation and understanding, the paper studies the vehicle characteristics and usage characteristics of electric bicycle. According to the actual investigation data, the arrival distribution law of electric bicycle vehicles at five intersections in Guilin is analyzed in detail, and the arrival distribution of electric bicycles in the entrance roads of urban intersections is summed up according to the negative binomial distribution. The average density and maximum density of the queue at the intersection entrance are obtained. Secondly, the release law is studied, and the saturated flow rate and driving speed are obtained. According to the actual investigation, the micro driving behavior of electric bicycle at the intersection is studied in detail, and the micro behavior of the right turning vehicle and the straight electric bicycle passing through each other at the intersection is analyzed. According to the characteristics of the traversing between them, the Logistic regression model, which is the probability model of traversing selection, is established. Then, according to the actual investigation data of intersection in Guilin city, the significance of influencing factors of intercrossing decision-making between electric bicycle and right-turn motor vehicle in intersection is analyzed, and the parameters of Logistic regression model are calibrated. Finally, the established Logistic model is verified. The traffic conflict between electric bicycle and motor vehicle is analyzed emphatically, and the influence of electric bicycle on the traffic efficiency of motor vehicle is studied. Through the statistical analysis of actual investigation data, the correction coefficient of saturated flow rate of right-turn and direct motor vehicle is put forward. Finally, the release rule, arrival rule and conflict condition of electric bicycle at signal-controlled intersection are analyzed, and the probability model of collision between the vehicle and the right-turn vehicle is established. The conflict probability of the two traffic streams at the intersection is calculated by the actual investigation data.
【學(xué)位授予單位】:蘭州交通大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:U491.23
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