拡張1次元歩行者モデルの構築と交差点における歩車混合交通シミュレーション

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  • Development of Extended One-dimensional Pedestrian Model and Mixed Traffic Simulation of Cars and Pedestrians at Intersection

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Abstract

個別の交通モードを扱う大規模交通流シミュレーションが進展する一方で，混合交通を対象とするシミュレーションモデルは少ない．本研究では大規模かつ微視的な混合交通シミュレーションに適用可能な拡張1次元歩行者モデルを提案する．既存の追従モデルと異なり，直前方の歩行者からの作用を無視することで歩行者の追い越し挙動を考慮する．群衆シミュレーションの結果から，広く用いられるSocial Force Modelと同程度の精度を持ちながら提案モデルが高速に計算可能であることを明らかにした．また混合交通シミュレーションにより歩車間の相互作用を適切に再現できることを示した．

While large-scale traffic simulations dealing with an individual traffic mode have been progressed, there are relatively few simulation models targeting mixed traffic. In this research, the authors proposed an Extended One-dimensional Pedestrian Model that is applicable to large-scale microscopic mixed traffic simulation. Overtaking behaviors of pedestrians are considered by ignoring the effect from the immediately preceding pedestrian, unlike existing following models. It was quantitatively verified by crowd simulation that the proposed model can be computed at high speed with the almost same accuracy as the Social Force Model. Furthermore it was shown that the interactions between cars and pedestrians can be reproduced adequately by mixed traffic simulation.

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