Research On Emergency Evacuation Model Of Metro Platforms Considering The Impact Of Panic

With the rapid development of economy in China,a new construction boom of urban rail transit has sprung up all over the country.As the excellent representative of new types of vehicle,which has large capacity,small pollution,energy conservation and environmental protection,urban rail transit has become the main way to ease traffic pressure and provided convenience for citizens.However,with the increase of passenger volume,urban rail transit stations face the task bring by personnel distributing is becoming more and more heavy,how to guide passengers to evacuate in the safety,orderly and efficiently way under emergency is become the focus of all walks of life.Passenger evacuation behavior is influenced by their physiology,psychology,and the external environment,how to depict their physiology and psychology change during the evacuation accurately will influence the accuracy of evacuation results directly.This paper builds the fire scenario,visibility and other factors models of psychological pressure dynamics model,basis on research results at home and abroad references,to improve the existing social force model,which is used to study movement of personnel.In this paper,the main research content includes the following aspects:(1)This paper analyzes the factors which influence the psychological pressure and establishes a comprehensive psychological pressure model considering various factors and panic spread characteristics at the same time.(2)This paper improves the existing social force model by using psychological stress model to enhance the social force model and analyzing the feasibility and the practicability of the improved social force model.(3)This paper develops the evacuation perception model,decision making model,and behavior model on account of evacuation process.(4)This paper uses a situation of evacuation platform to simulate the evacuation,obtains the evacuation efficiency under different evacuation scenarios,and then gives a reasonable evacuation strategy.