| 交叉口左转与直行车辆动态碰撞风险估计模型 |
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| 引用本文： | 马国胜,白玉,朱彤.交叉口左转与直行车辆动态碰撞风险估计模型[J].交通与计算机,2012(1):116-118,123. |
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| 作者姓名： | 马国胜 白玉 朱彤 |
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| 作者单位： | [1]同济大学道路与交通工程教育部重点实验室,上海201804 [2]哈尔滨工业大学交通工程系,山东威海264209 |
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| 基金项目： | 国家自然科学基金项目（批准号：60974093）资助 |
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| 摘 要： | 为改善交叉口安全状况,提高整个交叉口的交通安全水平,对交叉口碰撞类型之一的左转与直行车辆动态碰撞风险估计模型及警告阈值进行了研究。分析了交叉口左转与直行车辆的运行过程并基于风险内涵,提出了左转与直行车辆的动态碰撞风险估计模型;运用Vissim微观交通仿真软件仿真输出的车辆运行数据计算碰撞风险估计值。仿真结果表明,根据碰撞风险估计值变化规律可以确定出左转与直行车辆的碰撞预警阈值。
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| 关 键 词： | 道路交叉口 仿真 碰撞风险 |
Collision Risk Assessment Model Between Left-turn and Straight Vehicles at Intersections |
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| MA Guosheng,＇,BAI Yu,ZHU Tong.Collision Risk Assessment Model Between Left-turn and Straight Vehicles at Intersections[J].Computer and Communications,2012(1):116-118,123. |
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| Authors: | MA Guosheng ＇ BAI Yu ZHU Tong |
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| Institution: | 1 (1. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai 201804, China; 2. Department of Traffic Engineering, Harbin Institute of Technology, Weihai 264209, Shandong, China) |
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| Abstract: | In order to improve traffic safety at road intersections, a model for assessing the collision risk between left-turn and straight vehicles was proposed, and the warning threshold was also investigated. Based on analyzing the op- erating processes of left-turn and straight vehicles, an innovative, risk-based collision risk assessment model between left- turn and straight vehicles was developed. Simulated vehicle data from Vissim was used to estimate collision risk. The simulation results show that the warning threshold can be determined according to the discovered distribution of collision risk . |
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| Keywords: | intersection simulation collision risk |
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