智能網(wǎng)聯(lián)環(huán)境下的無信號(hào)交叉口沖突消解方法研究
[Abstract]:At present, the cooperative control of vehicle behavior at unsignalized intersections with the aim of improving traffic efficiency and vehicle safety has become the focus of research in the application field of intelligent network couplet vehicle. Under this background, this paper studies the traffic control method of typical unsignalized intersection, proposes a vehicle behavior control method based on conflict resolution strategy, and analyzes and verifies the strategy. The main work of this paper is as follows: (1) the application requirement of intelligent network connection vehicle control at unsignalized intersection is analyzed, and the conflict resolution method between intelligent network connection vehicle and intersection vehicle is analyzed. The system architecture of centralized vehicle behavior control system at unsignalized intersection is proposed. (2) the characteristics of vehicle conflict in different driving directions are analyzed by taking two-lane cross intersection as the research object. According to the road traffic safety method, the priority traffic decision base of unsignalized intersection is established for the cross conflict and confluence conflict. Based on the existing conflict resolution algorithms and considering the passenger comfort, an optimization method of vehicle conflict resolution speed at cross signalized intersections is proposed. In this method, the speed control and guidance model of a single vehicle is used to replace the traditional control method of the virtual signal light method and the alternate passage of the vehicle, so that the vehicle can pass through the intersection without stopping as much as possible. In order to improve the traffic efficiency and comfort. (3) the road simulation platform of unsignalized intersection based on Veins architecture is built. The SUMO traffic simulation software is combined with the OMNeT vehicle / vehicle road communication simulation. The scene of cross-lane intersection with multi-vehicle collaboration is simulated. The simulation results show that the proposed centralized vehicle behavior control method based on conflict resolution strategy can effectively eliminate the potential conflicts of intelligent intersections and improve the traffic capacity and passenger comfort of intersections.
【學(xué)位授予單位】:長安大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:U491.23
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