隧道交通的相态和相图。经验数据分析
Phase States and Phase Portraits of Tunnel Traffic. Empirical Data Analysis
摘要：
隧道交通的3D基本图和相图是根据过去几年在位于莫斯科第三环形公路上的Lefortovo隧道的深长分支中收集的经验数据构建的。这条长3公里的隧道配备了一个密集的固定radiodetters系统，沿其均匀分布，间隔为60米。数据在30秒内取平均值。每个检测器测量车辆集合的三个特征：流量、汽车速度和三个车道的占用率。分析揭示了隧道交通相态的复杂性。特别是，我们展示了在这个隧道中的合作交通动力学的存在和各种不同的属性相态。此外，发现了规则和随机动力学的区域，并证明了动力学陷阱的存在。
英文摘要：
The 3D fundamental diagrams and phase portraits for tunnel traffic is constructed based on the empirical data collected during the last years in the deep long branch of the Lefortovo tunnel located on the 3rd circular highway in Moscow. This tunnel of length 3 km is equipped with a dense system of stationary ra-diodetetors distributed uniformly along it chequerwise at spacing of 60 m. The data were averaged over 30 s. Each detector measures three characteristics of the vehicle ensemble; the flow rate, the car velocity, and the occupancy for three lanes individually. The conducted analysis reveals complexity of phase states of tunnel traffic. In particular, we show the presence of cooperative traffic dynamics in this tunnel and the variety of phase states different in properties. Besides, the regions of regular and stochastic dynamics are found and the presence of dynamical traps is demonstrated.
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