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A study on pedestrian choice between stairway and escalator in the transfer station based on floor field cellular automata

Ji, Xiangfeng; Zhang, Jian; Ran, Bin - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 20, pp. 5089-5100

Stairway and escalator are the main transfer facilities in the station where pedestrians make choices between them. A good understanding of pedestrian choices is helpful to raise the efficiency of transfer stations and lower the probability of disasters, such as stamps caused by congestion. This...

Persistent link: https://www.econbiz.de/10010742329

Reliability and sensitivity analysis of a system with multiple unreliable service stations and standby switching failures

Ke, Jyh-Bin; Lee, Wen-Chiung; Wang, Kuo-Hsiung - In: Physica A: Statistical Mechanics and its Applications 380 (2007) C, pp. 455-469

This paper presents the reliability and sensitivity analysis of a system with M primary units, W warm standby units, and R unreliable service stations where warm standby units switching to the primary state might fail. Failure times of primary and warm standby units are assumed to have...

Persistent link: https://www.econbiz.de/10010590885

On the optimization of multitasking process with multiplayer

Zhou, Bin; He, Zhe; Wang, Nianxin; Xi, Zhendong; Li, Yujian - In: Physica A: Statistical Mechanics and its Applications 417 (2015) C, pp. 41-45

study the optimization problems of MPM. The average time spent for all the tasks by an individual is calculated in each …

Persistent link: https://www.econbiz.de/10011077847

Optimization of highway networks and traffic forecasting

Schadschneider, Andreas; Knospe, Wolfgang; Santen, Ludger; … - In: Physica A: Statistical Mechanics and its Applications 346 (2005) 1, pp. 165-173

also discuss an analysis of the highway network in Germany to identify bottlenecks and possible optimization strategies. …

Persistent link: https://www.econbiz.de/10010871670

Optimal traffic networks topology: A complex networks perspective

Wu, Jian-Jun; Gao, Zi-You; Sun, Hui-jun - In: Physica A: Statistical Mechanics and its Applications 387 (2008) 4, pp. 1025-1032

We investigate and analyse an optimal traffic network structure for resisting traffic congestion with different volumes of traffic. For this aim, we introduce a cost function and user-equilibrium assignment (UE) which ensures the flow balance on traffic systems. Our finding is that an optimal...

Persistent link: https://www.econbiz.de/10010871687

Novel heuristic density-based method for community detection in networks

Gong, Maoguo; Liu, Jie; Ma, Lijia; Cai, Qing; Jiao, Licheng - In: Physica A: Statistical Mechanics and its Applications 403 (2014) C, pp. 71-84

Recent years have witnessed a growing recognition on the community detection in networks. Diverse techniques have been devoted to uncovering community structures in complex networks and amongst which are the density-based methods. Density-based avenues are very popular in data clustering field....

Persistent link: https://www.econbiz.de/10010873860

Optimization with extremal dynamics for the traveling salesman problem

Chen, Yu-Wang; Lu, Yong-Zai; Chen, Peng - In: Physica A: Statistical Mechanics and its Applications 385 (2007) 1, pp. 115-123

By mapping the optimization problems to physical systems, the paper presents a general-purpose stochastic optimization …. As self-organized critical processes of extremal dynamics, the optimization dynamics successively updates the states of … those cities with high energy. Consequently, a near-optimal solution can be quickly obtained through the optimization …

Persistent link: https://www.econbiz.de/10010873862

A new procedure modeling the probability distribution of earthquake size

Wang, J.P.; Yun, X.; Chang, S.C. - In: Physica A: Statistical Mechanics and its Applications 413 (2014) C, pp. 385-393

a simulation, on the basis of performing optimization to search for the optimum model parameter. The new option and an … and the power of optimization, three case studies presented in this paper all indicate that the new optimization procedure …

Persistent link: https://www.econbiz.de/10010906973

Investigation of acceptance simulated annealing — A simplified approach to adaptive cooling schedules

Schneider, Johannes J.; Puchta, Markus - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 24, pp. 5822-5831

Simulated annealing is the classic physical optimization algorithm, which has been applied to a large variety of …

Persistent link: https://www.econbiz.de/10011057811

Hysteretic optimization, faster and simpler

Pál, Károly F. - In: Physica A: Statistical Mechanics and its Applications 360 (2006) 2, pp. 525-533

Hysteretic optimization is a recently proposed heuristic optimization method inspired by the demagnetization of …

Persistent link: https://www.econbiz.de/10011059229