城市快速路匝道汇入行为建模及仿真

doi:10.16182/j.issn1004731x.joss.201709004

摘要/Abstract

摘要： 为深化快速路瓶颈早发性失效的致因和演化过程分析,以上海市延安高架虹许路瓶颈点车辆轨迹数据为基础,建立了汇入区车辆换道动机模型,结果表明,模型分类预测精度可达到73%以上。标定了间隙接受模型和IDM跟驰模型,基于C++建立了仿真原型系统ORBSIM。仿真结果表明该系统能再现实际交通流运行特征以及早发性失效现象。该汇入模型经过进一步工程化,被整合应用于自主开发的微观仿真系统TESS NG,有效的对上海快速路不同情况的汇入行为进行精准的表征。

关键词: 城市快速路, 瓶颈, 汇入行为, 换道动机模型, 微观仿真系统TESS NG

Abstract: In order to analyze the causation and evolution process of early on-set breakdown at bottlenecks deeply, the lane changing motivation model was established based on the whole vehicles' trajectory data at Hongxu Road on-ramp bottleneck in Shanghai China. The results show that prediction accuracy of the lane change motivation model is more than 73%. On this basis, the on-ramp microscopic traffic flow simulation proto type system ORBSIM was established with calibrated critical gap and IDM model in the C++ platform. The simulation results show that the ORBSIM can recur traffic flow characteristics and early on-set breakdown phenomenon. For further engineering using, this model was developed and integrated in micro simulation system TESS NG, and the results show that the model can simulate the merging behavior more effective at urban expressway on-ramp in different traffic situations in China.

Key words: urban expressway, bottleneck, merging behavior, logit motivation model, micro simulation system TESS NG

中图分类号:

U491.2

左康, 刘启远, 孙剑. 城市快速路匝道汇入行为建模及仿真[J]. 系统仿真学报, 2017, 29(9): 1895-1906.

Zuo Kang, Liu Qiyuan, Sun Jian. Modeling and Simulation of Merging Behavior at Urban Expressway On-ramp[J]. Journal of System Simulation, 2017, 29(9): 1895-1906.

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