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基于自适应加速度的高速公路合流部交通流合流仿真模型

Traffic Flow Simulatin Model Based on Adaptive Acceleration at Merging Sections in Expressways
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摘要 针对高速公路合流部的合流特性,将高速公路合流部交通流合流分为自由合流和强制合流,根据驾驶员合流行为的心理特性和道路的物理属性,导入自适应加速度的概念,提出基于不等式方程组的高速公路合流模型,并与智能驾驶员模型结合,提出基于高速公路合流部交通流仿真模型。应用JAVA对该模型进行交通仿真,再现了高速公路上合流部典型的局域堆积群交通堵塞和同步态模式交通堵塞的现象。 For the characteristics of highway, the traffic flow behaviors at the merging sections in highways that are divided into the free merging and the compulsion merging based on driver psychological characteristics and physical properties of the road are presented. In addition, by introducing adaptive acce- leration, a novel lane change model is proposed based on inequality equation. Moreover, by combining the lane change model with Intelligent Driver Model that is introduced by Treiber and Helbing, a simulation model for describing the traffic flow behavior in the merging sections of highways is proposed. Two typical congestion patterns of localized cluster and homogeneous congested traffic are reproduced by traffic flow simulation with the approach for modeling traffic flow behaviors in the merging sections of highways in JAVA.
出处 《公路》 北大核心 2010年第10期128-133,共6页 Highway
关键词 跟驰模型 换道模型 交通流模拟 局域堆积群交通堵塞 同步态模式交通堵塞 ear following model lane change model traffic flow simulation homogeneous conges- ted traffic localized clusters
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参考文献15

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