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相关论文: Velocity Statistics of the Nagel-Schreckenberg Mod…

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In this paper, we numerically study energy dissipation caused by traffic in the Nagel-Schreckenberg (NaSch) model with open boundary conditions (OBC). Numerical results show that there is a nonvanishing energy dissipation rate Ed, and no…

物理与社会 · 物理学 2009-04-25 Wei Zhang , Wei Zhang

In the setting of a recently developed cellular stochastic traffic flow model, it has shown that the joint per-cell vehicle densities, as a function of time, can be accurately approximated by a Gaussian process, which has the attractive…

最优化与控制 · 数学 2020-07-16 Michel Mandjes , Jaap Storm

Vehicle flow, a crucial indicator for transportation, is often limited by detector coverage. With the advent of extensive mobile network coverage, we can leverage mobile user activities, or cellular traffic, on roadways as a proxy for…

计算机视觉与模式识别 · 计算机科学 2024-03-21 ChungYi Lin , Shen-Lung Tung , Hung-Ting Su , Winston H. Hsu

This paper analyzes the use of variable speed limits to optimize travel time reliability for commuters. The investigation focuses on a traffic corridor with a bottleneck subject to the capacity drop phenomenon. The optimization criterion is…

最优化与控制 · 数学 2025-09-16 Alexander Hammerl , Ravi Seshadri , Thomas Kjær Rasmussen , Otto Anker Nielsen

While flow matching is elegant, its reliance on single-sample conditional velocities leads to high-variance training targets that destabilize optimization and slow convergence. By explicitly characterizing this variance, we identify 1) a…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Donglin Yang , Yongxing Zhang , Xin Yu , Liang Hou , Xin Tao , Pengfei Wan , Xiaojuan Qi , Renjie Liao

Real-time estimation of vehicle locations and speeds is crucial for developing many beneficial transportation applications in traffic management and control, e.g., adaptive signal control. Recent advances in communication technologies…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Jiachen Ye , Dingyu Wang , Shaocheng Jia , Xin Pei , Zi Yang , Yi Zhang , S. C. Wong

From single vehicle data a number of new empirical results concerning the density-dependence of the velocity distribution and its moments as well as the characteristics of their temporal fluctuations have been determined. These are utilized…

统计力学 · 物理学 2009-10-31 Dirk Helbing

Lagrangian statistics of passive tracers in rotating turbulence is investigated by Particle Tracking Velocimetry. A confined and steadily-forced turbulent flow is subjected to five different rotation rates. The PDFs of the velocity…

流体动力学 · 物理学 2013-07-24 Lorenzo Del Castello , Herman J. H. Clercx

The concept of mobility prediction represents one of the key enablers for an efficient management of future cellular networks, which tend to be progressively more elaborate and dense due to the aggregation of multiple technologies. In this…

信号处理 · 电气工程与系统科学 2019-07-26 Giulio Siracusano , Aurelio La Corte

This paper considers a single link with traffic light boundary conditions at both ends, and investigates the traffic evolution over time with various signal and system configurations. A hydrodynamic model and a modified stochastic domain…

物理与社会 · 物理学 2019-05-07 Lele Zhang , Caley Finn , Timothy M. Garoni , Jan de Gier

This paper provides an improved flamelet/progress variable (FPV) model for the simulation of turbulent combustion, employing the statistically most likely distribution (SMLD) approach for the joint probability density function (PDF) of the…

流体动力学 · 物理学 2015-04-21 Alessandro Coclite , Giuseppe Pascazio , Pietro De Palma , Luigi Cutrone , Matthias Ihme

In order to increase the prediction accuracy of the online vehicle velocity prediction (VVP) strategy, a self-adaptive velocity prediction algorithm fused with traffic information was presented for the multiple scenarios. Initially, traffic…

系统与控制 · 电气工程与系统科学 2022-10-10 Ziyan Zhang , Junhao Shen , Dongwei Yao , Feng Wu

This paper introduces a fuzzy cellular model of road traffic that was intended for on-line applications in traffic control. The presented model uses fuzzy sets theory to deal with uncertainty of both input data and simulation results.…

新兴技术 · 计算机科学 2015-03-19 Bartłomiej Płaczek

Based on the empirical particulate emission model, we studied Particulate Matter (PM) emission of some typical cellular automata VDR model and TT model with slow-to-start rules under periodic condition and open boundary condition. By…

元胞自动机与格子气 · 物理学 2020-11-10 Qiao Yan-feng , Xue Yu , Wang Xue , Cen Bing-ling , Wang Yi

In this study, we develop a probabilistic approach to map the parametric uncertainty to the output state uncertainty in first-order hyperbolic conservation laws. We analyze this problem for nonlinear immiscible two-phase transport in…

计算物理 · 物理学 2021-05-11 Farzaneh Rajabi , Hamdi A. Tchelepi

In recent years statistical physicists have developed {\it discrete} "particle-hopping" models of vehicular traffic, usually formulated in terms of {\it cellular automata}, which are similar to the microscopic models of interacting charged…

统计力学 · 物理学 2007-05-23 Debashish Chowdhury , Ludger Santen , Andreas Schadschneider

In this paper, we analyze the performance of cooperative content caching in vehicular ad hoc networks (VANETs). In particular, we characterize, using analysis and simulations, the behavior of the probability of outage (i.e. not finding a…

网络与互联网体系结构 · 计算机科学 2012-03-06 Osama Attia , Tamer ElBatt

We analyze the statistical properties of three-dimensional ($3d$) turbulence in a rotating fluid. To this end we introduce a generating functional to study the statistical properties of the velocity field $\bf v$. We obtain the master…

统计力学 · 物理学 2015-06-03 Abhik Basu , Jayanta K Bhattacharjee

In probability density function (PDF) methods of turbulent flows, the joint PDF of several flow variables is computed by numerically integrating a system of stochastic differential equations for Lagrangian particles. A set of parallel…

流体动力学 · 物理学 2010-06-04 J. Bakosi , P. Franzese , Z. Boybeyi

In this article, we present molecular dynamics study of the velocity autocorrelation function (VACF) of a Brownian particle. We compare the results of the simulation with the exact analytic predictions for a compressible fluid from [6] and…

软凝聚态物质 · 物理学 2012-04-23 D. Chakraborty
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