Passenger evacuation model of metro platform considering psychological stress

CHEN Shao-kuan; DI Yue; LI Fang; XU Qi; LIU Hai-dong

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CHEN Shao-kuan, DI Yue, LI Fang, XU Qi, LIU Hai-dong. Passenger evacuation model of metro platform considering psychological stress[J]. Journal of Traffic and Transportation Engineering, 2017, 17(5): 113-120.

Citation:

CHEN Shao-kuan, DI Yue, LI Fang, XU Qi, LIU Hai-dong. Passenger evacuation model of metro platform considering psychological stress[J]. Journal of Traffic and Transportation Engineering, 2017, 17(5): 113-120.

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Passenger evacuation model of metro platform considering psychological stress

1.
MOE Key Laboratory for Transportation Complex Systems Theory and Technology, Beijing Jiaotong University, Beijing 100044, China
2.
China Post Group, Beijing 100808, China
3.
Beijing Urban Construction Design and Development Group Co., Ltd., Beijing 100037, China

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Author Bio:
CHEN Shao-kuan(1977-), male, professor, PhD, shkchen@bjtu.edu.cn
Received Date: 2017-05-01
Publish Date: 2017-10-25

Abstract

Abstract

The effects of psychological stress from emergencies on metro platform on the evacuation behaviors of passengers were analyzed. The numerical relationship between psychological stress and retention time, local density, distance of hazard was built.The expected velocity of evacuation under psychological stress was researched, a modified expectation velocity model was developed, and the social force model was modified.Aiming at the evacuation process of passengers on the platform, a multi-agent perception and decision-making flow was designed.An evacuation simulation model based on multi-agent technology was built, and the whole process from the reception of evacuation signals to the evacuation completion for passengers was abstractly dealt with.AnyLogic simulation software was used to build the simulation case, the built models were imported into the simulation software by interface means, and the evacuationbehaviors of passengers were studied based on the Xizhimen Platform in Beijing Metro Line 2.Simulation result shows that the psychological stress has large effect on the evacuation time, evacuation velocity, passenger density and detour distance.The passengers'evacuation efficiency with psychological stress increases by 24.03%than that without psychological stress, the average total evacuation time reduces by 27.68%, and the average evacuation times in stair region and connecting region reduce by 36.20% and 22.05%, respectively.The passengers'average evacuation velocity with psychological stress in stair region is about 0.226 m·s^-1, and the velocity without psychological stress is 0.351 m ·s^-1.The highest gathering density in connecting region with psychological stress is 8.0 passenger· m^-2, while the density is9.5 passenger·m^-2 without psychological stress.The highest gathering density in stair region is3.5 passenger·m^-2.The detour distance with psychological stress increases by 96.91% than that without psychological stress, and the movement of passengers with psychological stress is more chaotic.
- urban rail transit,
- metro platform,
- emergency,
- passenger evacuation,
- social force model,
- psychological stress,
- multi-agent

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References(30)

References

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