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Analysis of Mixed Traffic with Connected and Non-Connected Vehicles Based on Lattice Hydrodynamic Model.

Communications in Nonlinear Science and Numerical Simulation(2020)SCI 2区SCI 1区

Chongqing Univ | Guangxi Univ Finance & Econ

Cited 38|Views26
Abstract
With the development of information technology, the communication between vehicle and vehicle(V2V), vehicle and infrastructure(V2I) promotes traffic efficiency and safety. In this work, we study the mixed traffic with connected and non-connected vehicles, and present the mixed traffic lattice hydrodynamic model. By using linear stability analysis, the stability conditions of the traffic system are obtained. The phase-plot shows that the communication range and permeability of connected vehicles have an important influence on the traffic system. Then we get the modified Korteweg-de Vries equation via nonlinear analysis. Furthermore, the numerical simulation results verify the theoretical results, and shows that increasing the communication range and permeability of connected vehicle will make the traffic system more stable.
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Mixed traffic,Lattice hydrodynamic model,Traffic flow,Connected vehicles
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要点】:通过使用线性稳定性分析和非线性分析方法,研究了具有连接和非连接车辆的混合交通流,并提出了混合交通流格状水动力模型。结果表明,连接车辆的通信范围和渗透率对交通系统稳定性有重要影响,增加连接车辆的通信范围和渗透率可以使交通系统更稳定。

方法】:通过线性稳定性分析和非线性分析方法,研究了混合交通流,并得到了交通系统的稳定条件和修改后的Korteweg-de Vries方程。

实验】:通过数值模拟实验验证了理论结果,结果显示增加连接车辆的通信范围和渗透率可以使交通系统更稳定。