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基于实时数据的道路承载力研究

, PP. 125-130

Keywords: 交通工程,承载力,可靠性工程,路网,实时数据,时空框架

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Abstract:

为了有效地表征路网整体运行效率,通过速度与交通量的乘积建立路网承载力模型,并以海量交通数据为基础,借助可靠性工程思想对其可靠性进行评估。具体来说,首先通过大量数据进行路网运行特性分析,从而提出表征路网整体运行效率的承载力;然后,借助数理统计知识,对检测数据进行拟合分布检验,掌握路网承载力呈正态分布规律;再借助可靠性工程思想,具体分析路网承载力可靠性规律;在此基础上,归纳出路网承载力可靠性时空评价框架。结果表明借助路网承载力模型及其时空框架能有效地表征路网整体效率。

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