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行人同伴群社会力学仿真

Keywords: 同伴群,社会力学模型改进,行人仿真,agent仿真框架,空间划分技术

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Abstract:

针对同伴群的群体动力学、其比例和规模对行人流的影响以及拥挤人流中的形态特性和活动特性研究还很不充分的问题,采用改进社会力学行人同伴群模型并构建仿真平台,对不同场景进行仿真研究.结果表明:同伴群降低了行人流平均速度,且随着人群密度增加,同伴群平均速度也会减小.同伴群尺寸越大,平均速度越低,对群体平均速度降低作用越明显.同伴群减弱了行走空间宽度增加带来的行人流速度增加趋势.同伴群在人群中表现出了更稳定的行走路径和行走速度,虽然同伴群降低了人群疏散的效率,但产生了“路径效应”.

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