Information diffusion in metro emergency based on bounded confidence model
ZHAO Haifeng1, SUN Yanqiu1, Edison TSE2
1. School of Management and Economics, Tongji University, Shanghai 200092, China; 2. Department of Management Science and Engineering, Stanford University, Palo Alto 94043, USA
Abstract：Metro emergency has always been the social concerned issues in which information diffusion is one of the most important concerns as sometimes it will decide the severity of the emergency. On the background of metro emergency, the local communication and bounded rationality as well as two stages:before and after the subway stops in the station are taken into account based on the traditional bounded confidence model to create the information diffusion model in metro emergency. On the basis of large amounts of simulation experiments, it is found that both local communication and bounded rationality will cause the opinions of passengers fluctuating severely and the whole opinion system in an unstable state but the passenger density has a positive effect on the opinions reaching a consensus. In the stage of subway stopping, the nearer passengers move to the subway door, the more severely the passengers' opinions fluctuate with the end of reaching a consensus sharply. But with evacuation speed increasing, the fluctuation of opinions is weaken. Results in the paper can be adapted to explain the phenomenon as well as the control of information diffusion in the metro emergency.
赵海峰, 孙艳秋, Edison TSE. 基于有界信任模型的地铁突发事件信息传播[J]. 系统工程理论与实践, 2017, 37(12): 3244-3252.
ZHAO Haifeng, SUN Yanqiu, Edison TSE. Information diffusion in metro emergency based on bounded confidence model. Systems Engineering - Theory & Practice, 2017, 37(12): 3244-3252.
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2017, Vol. 37 
