NDLI: Efficient optimization of building emergency evacuation considering social bond of evacuees

Content Provider	IEEE Xplore Digital Library
Author	Peng Wang Luh, P.B. Shi-Chung Chang Marsh, K.L.
Copyright Year	2009
Description	Author affiliation: Electrical Engineering Department, National Taiwan University, Taipei, Taiwan (Shi-Chung Chang) \|\| Department of Electrical and Computer Engineering, University of Connecticut, Storrs, 06269-2157, USA (Peng Wang; Luh, P.B.) \|\| Department of Psychology, University of Connecticut, Storrs, USA (Marsh, K.L.)
Abstract	In building emergency evacuation, the social bond of evacuees is a critical feature related to blocking in egress, and effective crowd guidance should consider this feature to prevent or mitigate such undesired blocking. Besides, the time-criticality of emergencies also requires an efficient computation method, and how to efficiently optimize crowd guidance considering the social bond effect is then identified as a problem to be addressed. By extending the egress model of Wang et al., 2008, this paper parameterizes the relation between the social bond of evacuees and the blocking event in egress. The optimization problem is then formulated to optimize crowd guidance with such advance of modeling. To efficiently optimize the guidance, our original computation method is improved in several aspects: reducing decision variables by infrequent update of guidance, reducing the decision space based on the prior information on the building layout, and approximating the state transition probability by discretizing probability measures. An example in the literature is tested to demonstrate improvement on our modeling and methods.
Starting Page	250
Ending Page	255
File Size	432660
Page Count	6
File Format	PDF
ISBN	9781424445783
DOI	10.1109/COASE.2009.5234131
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-22
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bonding Optimization methods Psychology Testing Dynamic programming Fires Automation Time factors Lagrangian functions Buildings
Content Type	Text
Resource Type	Article

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