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基于元胞自动机交通流模型的车辆换道规则

, PP. 89-93

Keywords: 交通工程,弹性换道规则,元胞自动机模型,交通流,通行能力,仿真

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Abstract:

?将元胞自动机模型应用于周期性边界条件下的高速公路交通的换道规则模拟,并对不同条件下交通流的平均速度和流量进行仿真。基于驾驶员的性格差异,提出了更灵活的弹性换道规则,并探讨了不同换道规则对交通流流量等参数的影响。在计算机仿真过程中,通过变换交通流密度,得出了与不同换道规则对应的交通流基本图。结果表明:相对于以前的模型,遵循2种新规则的模型均可不同程度地改善道路的通行能力,提高道路资源的利用效能;从安全性角度进行对比分析,可得出较优的换道规则。

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