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Analysison Pedestrian Out flow through an Exit with an Obstacle
Daichi Yanagisawa,Ayako Kimura,Akiyasu Tomoeda,Ryosuke Nishi,Yushi Suma,Kazumichi Ohtsuka,Katsuhiro Nishinari 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
We have found that putting an obstacle in front of an exitin creases the pedestrian out flow through an exitinane vacuation situation from our experimets. In this paper, conflicts and turning, which affects the pedestrian out-flow significantly, is studied in detail to analyze the effect of an obstacle. In the floor field model, which is apedestri and ynamics modelu sing cellularauto mata, conflicts are taken in to account by the frictional parameter, which is not suffi-ciently realistic, and turning is neglected. Therefore, we have improved the frictional parameter to the frictional function, which is more realistic than the frictional parameter, and introduced the turning function, which represents the decrease in walking speeds when pedestrians turn. The frictional and the turning function clearly explain the mechanism of the effect of the obstacle, i.e., the obstacle blocks apedestrian moving to the exitand decreases the average number of pedestrians involved in the conflict.