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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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事故多发点鉴别本质及基于BP神经网络的鉴别方法研究
, PP. 124-129
Keywords: 交通工程,事故多发点鉴别,BP神经网络,城市干道路段
Abstract:
首先对常规事故多发点鉴别方法进行了分析和评述,并通过实例揭示了多发点的鉴别本质。在此基础上,建立了基于三层BP神经网络的城市干道路段事故多发点鉴别模型。该模型考虑了交通事故7个方面的影响因素,并能将常规鉴别方法不易识别出的多发点鉴别出来。其次,应用哈尔滨市市区430个干道路段上1999年至2004年发生的13764起交通事故数据及关联因素数据,对神经网络的权值和偏置值进行了标定,并应用该模型进行了事故多发路段鉴别。最后,分别应用了事故次数概率分布法、矩阵法和质量控制法对430个路段进行了多发点鉴别,并对鉴别结果进行了对比分析。
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