Results 31 to 40 of about 81,751,409 (230)
Crowd Evacuation Guidance Based on Combined Action Reinforcement Learning
Algorithms, 2021 Existing crowd evacuation guidance systems require the manual design of models and input parameters, incurring a significant workload and a potential for errors.
Yiran Xue +3 more
doaj +1 more source
Research Issues in Agent-Based Simulation for Pedestrians Evacuation
IEEE Access, 2020 Crowd evacuation in emergencies may lead to fatalities if the evacuation plans were not tested and evaluated. Traditionally, evacuation drills have been, and still are, being used to assess evacuation plans.
Nur Siyam +2 more
doaj +1 more source
Exploring the Impacts of Exit Structures on Evacuation Efficiency
Fire, 2023 In the context of a fire emergency, safe and efficient exits are of paramount importance for pedestrian evacuation. The recent rapid development in the construction industry has rendered exit structures more diverse and complex. However, little attention
Xiaoge Wei +4 more
doaj +1 more source
Evaluation Of Existing Software For Simulating Of Crowd At Masjid Al-Haram, [PDF]
, 2007 Crowd simulation has played an important role in solving situations such as building evacuation, crowd congestion, and pedestrian analysis. In order to improve the crowd congestion problem within and the surrounding area of the Masjid Al-Haram, we need a
Haron, F. +3 more
core +1 more source
Adaptive Crowd Evacuation Simulation Model Based on Bounded Rationality Constraints
, 2022 : To effectively improve the accuracy of evacuation simulation of a crowded environment, an adaptive crowd evacuation simulation model based on social force model and bounded rationality constraints is proposed.
Zhao, Liqiang +3 more
core +1 more source
Crowd Evacuation Behaviour Modeling and Simulation in 3D Platform [PDF]
, 2020 Crowd simulation is an active research domain and is crucial for simulating crowd behaviour in certain condition such as normal or panic situation. The simulation is to show the interaction between the individual in a crowd.
Azlina, Binti Ahmadi Julaihi +3 more
core +1 more source
n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz
Advanced Materials, EarlyView.Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis +19 more
wiley +1 more source
A Study on Crowd Evacuation Model Considering Squeezing Equilibrium in Crowded Areas
Applied Sciences, 2022 A new crowd evacuation model is established to solve the stagnation problem of traditional social force models in a complex and dense scene. In the proposed model the acting forces between pedestrians, and between pedestrians and obstacles in the ...
Longcheng Yang +4 more
doaj +1 more source
Advanced Materials, EarlyView.Aqueous ammonium‐ion batteries (AAIBs) face a hydrogen‐bond paradox: the HB network enables fast NH4+ transport but triggers water decomposition. This review dissects this dilemma, evaluates multiple electrolyte engineering strategies, and outlines four future directions for next‐generation AAIB design ABSTRACT Aqueous ammonium‐ion batteries (AAIBs ...
Zi‐Hang Huang +6 more
wiley +1 more source
Physical Origin of Temperature Induced Activation Energy Switching in Electrically Conductive Cement
Advanced Science, EarlyView.The temperature‐induced Arrhenius activation energy switching phenomenon of electrical conduction in electrically conductive cement originates from structural degradation within the biphasic ionic‐electronic conduction architecture and shows percolation‐governed characteristics: pore network opening dominates the low‐percolation regime with downward ...
Jiacheng Zhang +7 more
wiley +1 more source