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A recently introduced cellular automaton model for the description of traffic flow is investigated. It generalises asymmetric exclusion models which have attracted a lot of interest in the past. We calculate the so-called fundamental…

凝聚态物理 · 物理学 2009-10-22 A. Schadschneider , M. Schreckenberg

In this paper, we propose a stochastic cellular automaton model of traffic flow extending two exactly solvable stochastic models, i.e., the asymmetric simple exclusion process and the zero range process. Moreover it is regarded as a…

统计力学 · 物理学 2009-05-26 Masahiro Kanai , Katsuhiro Nishinari , Tetsuji Tokihiro

In the present work we introduce a stochastic cellular automata model in order to simulate the dynamics of the stock market. A direct percolation method is used to create a hierarchy of clusters of active traders on a two dimensional grid.…

无序系统与神经网络 · 物理学 2009-11-10 M. Bartolozzi , A. W. Thomas

This paper will present a model for pedestrian motion by defining a spacetime metric. This model considers the factors that are effective in the movement of pedestrians (such as obstacles, walls and other pedestrians) by defining a proper…

物理与社会 · 物理学 2022-11-22 Amir Ghorbani

Crowd simulation models are used to assess the performance and safety of crowd systems. In some systems, wheelchairs and other moving objects are present in the crowd. The different size and speed of the wheelchairs could significantly…

多智能体系统 · 计算机科学 2020-10-02 Siamak Sarmady , Fazilah Haron , Abdullah Zawawi Talib

We investigate the dynamics of the evacuation process with multiple bottlenecks using the floor field model. To deal with this problem, we first focus on a part of the system and report its microscopic behavior. The system is controlled by…

物理与社会 · 物理学 2012-09-14 Takahiro Ezaki , Daichi Yanagisawa , Katsuhiro Nishinari

Most microscopic pedestrian navigation models use the concept of "forces" applied to the pedestrian agents to replicate the navigation environment. While the approach could provide believable results in regular situations, it does not…

机器学习 · 计算机科学 2020-04-24 Thanh-Trung Trinh , Dinh-Minh Vu , Masaomi Kimura

In pedestrian dynamics, the internal drive that propels individuals toward their goals is typically captured by a single, fixed parameter, the desired walking speed. This simplification overlooks that motivation fluctuates in response to…

物理与社会 · 物理学 2026-05-04 Ezel Üsten , Anna Sieben , Mohcine Chraibi , Armin Seyfried

This study aims at finding a method for constructing molecular dynamics like models using the formalism of cellular automata for fast simulation of fluid dynamic systems (including compressible phenomena). In as much as the results…

comp-gas · 物理学 2009-09-25 Himanshu Agrawal

In this paper, we introduce a discrete time-finite state model for pedestrian flow on a graph in the spirit of the Hughes dynamic continuum model. The pedestrians, represented by a density function, move on the graph choosing a route to…

数值分析 · 数学 2016-04-19 Fabio Camilli , Adriano Festa , Silvia Tozza

In this work we approach cell migration under a large-scale assumption, so that the system reduces to a particle in motion. Unlike classical particle models, the cell displacement results from its internal activity: the cell velocity is a…

细胞行为 · 定量生物学 2018-08-02 Christèle Etchegaray , Nicolas Meunier

What is the most efficient search strategy for the random located target sites subject to the physical and biological constraints? Previous results suggested the L\'evy flight is the best option to characterize this optimal problem,…

最优化与控制 · 数学 2015-01-22 Caibin Zeng , YangQuan Chen

We propose and analyze extended floor field cellular automaton models for evacuation dynamics of inhomogeneous pedestrian pairs which are coupled by asymmetric group interactions. Such pairs consist of a leader, who mainly determines the…

物理与社会 · 物理学 2016-08-22 Frank Müller , Andreas Schadschneider

Constructing a discrete model like a cellular automaton is a powerful method for understanding various dynamical systems. However, the relationship between the discrete model and its continuous analogue is, in general, nontrivial. As a…

量子物理 · 物理学 2014-03-24 Yutaka Shikano , Tatsuaki Wada , Junsei Horikawa

The traffic-like collective movement of ants on a trail can be described by a stochastic cellular automaton model. We have earlier investigated its unusual flow-density relation by using various mean field approximations and computer…

统计力学 · 物理学 2009-11-10 A. Kunwar , A. John , K. Nishinari , A. Schadschneider , D. Chowdhury

The strategic behaviour of pedestrians is largely determined by how they perceive and react to neighbouring people. This issue is addressed in this paper by a model which combines, in a time and space-dependent way, discrete and continuous…

物理与社会 · 物理学 2016-06-23 Annachiara Colombi , Marco Scianna , Andrea Tosin

For the modelling of pedestrian dynamics we treat persons as self-driven objects moving in a continuous space. On the basis of a modified social force model we qualitatively analyze the influence of various approaches for the interaction…

物理与社会 · 物理学 2007-05-23 Armin Seyfried , Bernhard Steffen , Thomas Lippert

Both pedestrian and robot comfort are of the highest priority whenever a robot is placed in an environment containing human beings. In the case of pedestrian-unaware mobile robots this desire for safety leads to the freezing robot problem,…

机器人学 · 计算机科学 2022-06-03 Emily Pruc , Shlomo Zilberstein , Joydeep Biswas

This paper introduces a system of stochastic differential equations (SDE) of mean-field type that models pedestrian motion. The system lets the pedestrians spend time at, and move along, walls, by means of sticky boundaries and boundary…

最优化与控制 · 数学 2020-03-09 Alexander Aurell , Boualem Djehiche

In this paper, we deal with a size-variable group of pedestrians moving in a unknown confined environment and searching for an exit. Pedestrian dynamics are simulated by means of a recently introduced microscopic (agent-based) model,…

物理与社会 · 物理学 2019-06-28 Emiliano Cristiani , Daniele Peri