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基于图论与矩阵论的交通检测器布设新方法

, PP. 130-134

Keywords: 交通工程,路网,交通流量,交通量关系矩阵,图论,矩阵论,检测器布设

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Abstract:

为了获取各路段的交通流量,解决任意路网的交通检测器布点问题,提出了一种基于图论与矩阵论的交通检测器布设方法.从图论的角度出发,给出了顶点的度数、平衡点与非平衡点的定义;利用平衡点的平衡公式,提出交通量关系矩阵,计算出布设交通检测器的路段的数量;提出2条交通检测器的设置原则来进行交通检测器的设置;最后从矩阵运算推导出未对于设置交通检测器的路段,其交通流量的计算方法.该方法能在任意路网上进行交通检测器的优化布设.算例选取兰州市西关什子附近的路网,结果验证了所提出方法的有效性与可操作性.

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