Results 1 to 10 of about 1,386 (114)

An Entropy-Based Combined Behavior Model for Crowd Evacuation [PDF]

open access: yesEntropy, 2022
Crowd evacuation has gained increasing attention due to its importance in the day-to-day management of public areas. During an emergency evacuation, there are a variety of factors that need to be considered when designing a practical evacuation model ...
Xiaowei Chen, Jian Wang
doaj   +2 more sources

Deep reinforcement learning and 3D physical environments applied to crowd evacuation in congested scenarios

open access: yesInternational Journal of Digital Earth, 2023
To avoid crowd evacuation simulations depending on 2D environments and real data, we propose a framework for crowd evacuation modeling and simulation by applying deep reinforcement learning (DRL) and 3D physical environments (3DPEs).
Jiantao Liu, Guoyong Zhang, Dong Zhang
exaly   +2 more sources

Robot-Assisted Crowd Evacuation under Emergency Situations: A Survey

open access: yesRobotics, 2017
In the case of emergency situations, robotic systems can play a key role and save human lives in recovery and evacuation operations. To realize such a potential, we have to address many scientific and technical challenges encountered during robotic ...
Huosheng Hu
exaly   +3 more sources

Analysis of pedestrian wayfinding under herd effect in VR fire evacuation at indoor library: gender difference considered [PDF]

open access: yesFrontiers in Psychology
BackgroundAs libraries are critical areas for fire safety and evacuation, there is a need to expand research on pedestrian evacuation in this scenario.MethodsWe designed an immersive virtual reality (IVE) experiment to examine the wayfinding choices made
Jianping Li, Jianping Li, Chuanjin Liu
doaj   +2 more sources

Experimental study on the synchronization mechanism and trigger characteristic density of vertical evacuation in crowds [PDF]

open access: yesScientific Reports
Due to simultaneous horizontal and vertical displacement during vertical evacuation, the consequences of stampede congestion accidents can be more severe.
Longmei Zhang   +4 more
doaj   +2 more sources

Robot-Assisted Crowd Evacuation Algorithm Based on Deep Spatio-Temporal Q-network [PDF]

open access: yesJisuanji gongcheng, 2021
The application of robots to crowd evacuation is limited by the low flexibility, low scenario adaptability, and low evacuation efficiency of robots.To address the problem, this paper proposes an algorithm for robot-assisted crowd evacuation based on deep
TAN Mei, LIU Shihao, ZHOU Wan, CHEN Guowen, HU Xuemin
doaj   +1 more source

The study on mechanical model considering optimal self-adaption in the bottleneck area [PDF]

open access: yesHeliyon
It aims to solve the problem that the evacuation state of pedestrians depicted by the traditional social force model in a crowded multiexit scenario has a relatively large difference with the actual state, especially the 'optimal path' considered by the ...
Longcheng Yang   +7 more
doaj   +2 more sources

A chain navigation grid based on cellular automata for large-scale crowd evacuation in virtual reality

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2021
Large-scale crowd evacuation simulation in virtual reality is of great significance for emergency response. However, the existing large-scale crowd evacuation simulation methods are challenging to apply to the virtual reality scene.
Pei Dang   +6 more
doaj   +1 more source

An improved social force model (ISFM)-based crowd evacuation simulation method in virtual reality with a subway fire as a case study

open access: yesInternational Journal of Digital Earth, 2023
Crowd evacuation simulation using virtual reality (VR) is significant for digital emergency response construction. However, existing evacuation simulation studies suffer from poor adaptation to complex environments, inefficient evacuations, and poor ...
Jinbin Zhang   +8 more
doaj   +1 more source

Study on Evacuation Speed based on Psychological panic in Railway Tunnel [PDF]

open access: yesE3S Web of Conferences, 2020
In order to probe the panic psychology effect on the evacuation characteristics and evacuation efficiency under an emergency such as a fire in a railway tunnel, this paper uses a combination of theoretical derivation and 3D simulation technology to study
Qi Li   +4 more
doaj   +1 more source

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