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The basic properties of traffic flow are analyzed using a simple deterministic one dimensional "car following model" with continuous variables based on a model introduced by Nagel and Herrmann [Physica A 199 254--269 (1993)] including a few…

统计力学 · 物理学 2007-05-23 G. Sauermann , H. J. Herrmann

We consider multi-component matching systems in heavy traffic consisting of $K\geq 2$ distinct perishable components which arrive randomly over time at high speed at the assemble-to-order station, and they wait in their respective queues…

概率论 · 数学 2024-05-21 Bowen Xie

We propose a Physics Informed Learning framework for reconstructing traffic density from sparse trajectory data. The approach combines a second-order Aw-Rascle and Zhang model with a first-order training stage to estimate the equilibrium…

系统与控制 · 电气工程与系统科学 2026-04-10 S. Betancur Giraldo , J. Mårtensson , M. Barreau

We study the cascading traffic jamming on a two-dimensional random geometric graph using the Motter and Lai model. The traffic jam is caused by a localized attack incapacitating circular region or a line of a certain size, as well as a…

物理与社会 · 物理学 2022-09-14 Gabriel Cwilich , Sergey V. Buldyrev

This contribution replies to H. M. Zhang's paper "What Faster-than-traffic Characteristic Speeds Mean for Vehicular Traffic Flow", which comments on the manuscript "On the Controversy around Daganzo's Requiem for and Aw-Rascle's…

物理与社会 · 物理学 2009-06-16 Dirk Helbing

[Background:] A significant quenching of high energy jets was observed in the heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) facility, and is now confirmed at the Large Hadron Collider (LHC) facility. The RHIC plus LHC…

核理论 · 物理学 2014-02-05 Xilin Zhang , Jinfeng Liao

We consider systems of multiple Brownian particles in one dimension that repel mutually via a logarithmic potential on the real line, more specifically the Dyson model. These systems are characterized by a parameter that controls the…

概率论 · 数学 2023-02-22 Nicole Hufnagel , Sergio Andraus

We describe several new ways of specifying the behaviour of Lemaitre-Tolman (LT) models, in each case presenting the method for obtaining the LT arbitrary functions from the given data, and the conditions for existence of such solutions. In…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Charles Hellaby , Andrzej Krasinski

A model for traffic flow in street networks or material flows in supply networks is presented, that takes into account the conservation of cars or materials and other significant features of traffic flows such as jam formation, spillovers,…

流体动力学 · 物理学 2016-08-14 Dirk Helbing , Jan Siegmeier , Stefan Lämmer

Kinetics of collision processes with linear mixing rules are investigated analytically. The velocity distribution becomes self-similar in the long time limit and the similarity functions have algebraic or stretched exponential tails. The…

统计力学 · 物理学 2007-05-23 Daniel ben-Avraham , Eli Ben-Naim , Katja Lindenberg , Alexandre Rosas

We study map lattices coupled by collision and show how perturbations of transfer operators associated with the spatially periodic approximation of the model can be used to extract information about collisions per lattice unit. More…

动力系统 · 数学 2022-01-31 Wael Bahsoun , Fanni M. Sélley

Solitons are localised wave disturbances that propagate without changing shape, a result of a nonlinear interaction which compensates for wave packet dispersion. Individual solitons may collide, but a defining feature is that they pass…

量子气体 · 物理学 2014-12-10 Jason H. V. Nguyen , Paul Dyke , De Luo , Boris A. Malomed , Randall G. Hulet

In this paper we develop a boundary state feedback control law for a traffic flow network system in its most fundamental form: one incoming and one outgoing road connected by a junction. The macroscopic traffic dynamics on each road segment…

最优化与控制 · 数学 2019-10-31 Huan Yu , Jean Auriol , Miroslav Krstic

Conditions for the occurrence of bidirectional collisions are developed based on the Simon-Gutowitz bidirectional traffic model. Three types of dangerous situations can occur in this model. We analyze those corresponding to head-on…

物理与社会 · 物理学 2015-05-13 Najem Moussa

In order to trace the initial interaction in ultra-relativistic heavy ion collision in all azimuthal directions, two azimuthal multiplicity-correlation patterns -- neighboring and fixed-to-arbitrary angular-bin correlation patterns -- are…

核理论 · 物理学 2009-09-17 Meijuan Wang , Lianshou Liu , Yuanfang Wu

We study the effect of reaction times on the kinetics of relaxation to stationary states and on congestion transitions in heterogeneous traffic. Heterogeneity is modeled as quenched disorders in the parameters of the car following model and…

物理与社会 · 物理学 2021-03-10 A. Sai Venkata Ramana , Saif Eddin Jabari

Transport phenomena are studied for a binary (AB) alloy on a rigid square lattice with nearest-neighbor attraction between unlike particles, assuming a small concentration $c_v$ of vacancies $V$ being present, to which $A(B)$ particles can…

统计力学 · 物理学 2007-05-23 A. De Virgiliis , K. Binder

In this paper, we proposed a stochastic model which describes two species of particles moving in counterflow. The model generalizes the theoretical framework describing the transport in random systems since particles can work as mobile…

软凝聚态物质 · 物理学 2017-08-09 Eduardo Velasco Stock , Roberto da Silva , Henrique Almeida Fernandes

Most autonomous-vehicles (AVs) driving strategies are designed and analyzed at the vehicle level, yet their aggregate impact on macroscopic traffic flow is still not understood, particularly the flow heterogeneity that emerges when AVs…

系统与控制 · 电气工程与系统科学 2025-08-14 Chenguang Zhao , Huan Yu

Many car-following models are developed for jam avoidance in highways. Two mechanisms are used to improve the stability: feedback control with autonomous models and increasing of the interaction within cooperative ones. In this paper, we…

物理与社会 · 物理学 2016-01-29 Antoine Tordeux , Sylvain Lassarre