协同式道路交叉口防碰撞模型仿真研究  

Simulation and Research on Anti-Collision Model of Cooperative Road Intersection

作　　者：李进龙[1,2] 刘红星[3] 谢文杰 罗霞[1,2] LI Jin-long;LIU Hong-xing;XIE Wen-jie;LUO Xia(School of Transportation and Logistics,Southwest Jiaotong University,ChengduSichuan 611756,China;National United Engineering Laboratory of Integrated and Intelligent Transportation,Southwest Jiaotong University,ChengduSichuan 611756,China;School of Electrical Engineering,Southwest Jiaotong University,Chengdu Sichuan 610031,China)

机构地区：[1]西南交通大学交通运输与物流学院,四川成都611756 [2]西南交通大学综合交通运输智能化国家地方联合工程实验室,四川成都611756 [3]西南交通大学电气工程学院,四川成都610031

出　　处：《计算机仿真》2018年第11期161-165,201,共6页Computer Simulation

基　　金：中央高校基本科研业务费专项资金(SWJTUA0920502051307-03);高等学校博士学科点专项科研基金(P05413113613002);国家级大学生创新创业训练计划(201710613047)

摘　　要：城市交通中,道路交叉口作为车辆汇集、转弯和疏散的必经之地,交通态势极其复杂,是交通事故的多发区域。针对交叉口安全问题,在不牺牲城市道路交叉口通行效率的基础上,建立协同式防追尾碰撞模型和防侧碰撞模型,确定模型输入输出参数。同时,利用Matlab的Simulink模块将模型转换为逻辑图进行求解,结合Prescan软件搭建的协同式交叉口仿真平台,通过改变输入参数进行仿真并对比分析。结果表明,模型对于通过交叉路口车辆控制的过程是趋向于高效且安全的,可降低交叉口碰撞的概率,且可通过车辆中油门开度和相应车辆扭矩关系判断车辆行驶状态,从而验证模型防碰撞过程及应用可行性。Acting as a must passing through area for vehicle collection,turning and evacuation,the traffic situation of urban road intersection is extremely complex and has become a traffic accident prone area. As for the safety problem of road intersection,this paper established the rear-end collision model and anti-roll collision model of cooperative road intersection and determined the models＇ input and output parameters without sacrificing traffic efficiency at urban road intersections. At the same time,the model was transformed into logic diagram to solve the problem based on the Simulink module in Matlab software,and a cooperative intersection simulation platform was built by combining Prescan software and carry out the simulation experiment via changing input parameters. The results show that the model is more efficient and safer for the process of vehicle control through the intersection,which can reduce the collision probability at road intersection and judge the running state of vehicle by the relationship throttle opening degree and corresponding output torque,thus verifying the anti-collision process and the feasibility of the model.

关 键 词：交通安全 协同通信 道路交叉口 防碰撞模型 最小安全距离 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]