The Application of the Fuzzy Clustering Method in Evaluation of Traffic Safety Based on Traffic Conflict at Intersection

Abstract

Abstract: Thet raffic conflict technique is a new evaluating method based on non-accident statistics in traffic safety field. It evaluates rapidly and quantitatively traffic safety situation with multi-stylebook and is different from traditional accident statistics. With studying the sixteen intersections in Kun Ming, a fuzzy clustering method in evaluation of traffic safety is proposed, based on traffic conflict regarding the ratio of traffic conflict and mixed passenger car unit (TC/MPCU) as stylebook character, which provides a new evaluation method for safety evaluation of intersection.

Key words: intersection, traffic conflict technique, fuzzy clustering

摘要： 交通冲突技术是国际交通安全领域新兴开发的非事故统计评价方法，是以大样本、快速、定量研究评价交通安全现状与改善效果的特点而异于传统的事故统计评价方法.以昆明市的16个交叉口为研究对象，通过运用模糊C一均值聚类方法，引入交通冲突与混合当量交通量的比值(TC/MPCU)作为样本特征，提出对具有分时段交通冲突和交通量数据为依据的交叉口进行安全评价的交通冲突模糊聚类评价法，为交叉口的安全评价提供一种新的研究途径.

关键词: 管理工程, 平面交叉口, 交通冲突技术, 模糊聚类

CHENG Wei,Ll Jiang. The Application of the Fuzzy Clustering Method in Evaluation
of Traffic Safety Based on Traffic Conflict at Intersection
[J]. Journal of Transportation Systems Engineering and Information Technology, 2004, 4(2): 48-50 .

成卫,李江. 模糊聚类法在基于交通冲突技术的交叉口安全评价中的应用
[J]. 交通运输系统工程与信息, 2004, 4(2): 48-50 .

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URL: http://www.tseit.org.cn/EN/abstract/abstract17124.shtml

http://www.tseit.org.cn/EN/Y2004/V4/I2/48

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The Application of the Fuzzy Clustering Method in Evaluation
of Traffic Safety Based on Traffic Conflict at Intersection

模糊聚类法在基于交通冲突技术的交叉口安全评价中的应用

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