Abstract
Abstract Emergency evacuation has been receiving increasing attention due to the widely concern of public security in recent years. It is a critical task to analyze how to evacuate large crowd in an efficient way. Evacuation leaders, described by a modified leader-follower model based on social force, areinvestigated in this paper aiming to reduce evacuation time, casualties and loss. Artificial system of Beijing South Station is established based on actual data to verify the lead-follower evacuation method, where a large number of simulations have been conducted. The results show that evacuation with evacuation leaders can effectively reduce the evacuation time and casualties in an emergency situation in public place with a large number of pedestrians.
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