土木工程学院

2011 International Conference on Proceedings of the 1st International Conference on Transportation Information and Safety

中文关键字：交通工程；交通安全；弱势群体；评价系统；BP神经网络，英文关键字：traffic engineering; traffic safety; the vulnerabl

According to the traffic safety actuality of the vulnerable road user at urban intersections, it was proposed the traffic safety assessment method based on BP neural network. Based on defining and classifying the concept of the vulnerable road user, it was concluded travel demand of the different categories of the vulnerable road user from the aspects of physiological characteristics and social characteristics. Then safety assessment indexes system was built from two goals of traffic facilities and traffic organization. Finally，the comprehensive assessment software based on BP neural network was developed by C++ computer language. The result shows that the model of BP neural network was used in the assessment system of the vulnerable road user traffic safety at urban intersections, which has good applicability. It is proved by the example the method is operable and the result is credible.

刘永涛

wangzhaofei,licongying

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2011-06-01