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推广了Baek等人最近提出的一个双向行人流模型,提出了两种改进策略,并从行人平均速度-密度关系、行人空间分布密度和位置分布等方面进行了数值分析.研究发现,引入的两个新策略不仅可以提高行人流的平均速度,而且可以提高道路系统(尤其是道路中央区域)利用率,减轻拥堵状况,有效避免严重堵塞的发生.改进的策略对行人的心理特点和行为特性等方面考虑更加全面,而且可以较好地模拟高密度的双向行人流.
A two-way pedestrian flow model recently proposed by Baek et al. Is popularized, and two improved strategies are proposed, and the numerical analysis is made from the aspects of pedestrian average speed-density relationship, pedestrian spatial distribution density and location distribution, etc. The results show that two The new strategy can not only increase the average speed of pedestrian flow, but also improve the utilization of road system (especially in the central area of the road), reduce congestion and effectively prevent the occurrence of serious congestion.The improvement of pedestrian’s psychological characteristics and behavioral characteristics Consider more comprehensive aspects, and can better simulate high-density bi-directional pedestrian flow.