DOI: 10.11908/j.issn.0253-374x.19365

作者:

作者单位: 同济大学 道路与交通工程教育部重点实验室，上海 201804


作者简介: 聂磊（1981—)，男，高级工程师，博士生，主要研究方向为交通控制、交通设计。E-mail: 0420120054@tongji.edu.cn


通讯作者: 马万经（1980—），男，教授，工学博士，主要研究方向为交通控制、交通设计。E-mail: mawanjing@tongji.edu.cn

中图分类号: U491.4


基金项目: 国家重点研发计划资助（2018YFB1601000）




A Lane-Based Optimization Model for Lane Function and Signal Phase at Intersection
Author:

Affiliation: The Key Laboratory of Road and Traffic Engineering of the Ministry of Education ,Tongji University, Shanghai 201804,China


Fund Project:




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摘要:考虑不同进口道、不同流向、不同车道功能及不同相位方案等复杂因素的相互影响，建立了基于车道的交叉口车道功能和信号相位优化模型。模型目标函数采用交叉口关键流量比最小，考虑进出口道车道平衡、流量匹配、车道功能冲突、合用车道等饱和度等约束，能够同时优化进口道和出口道，给出了模型求解算法。提出的模型变量较少，与目前交通设计方法衔接更好，能够得到全局最优解，求解方法也相对简单。实例验证表明，模型能够有效降低交叉口关键流量比、周期和车均延误。



Abstract:A lane-based optimization model for lane function and signal phase at intersection was established, considering the interaction of complex factors such as different approaches, different flow directions, different lane functions and different phase schemes. The objective function of the model was to minimize the critical flow ratio of the intersection, to consider the constraints such as lane balance, flow matching, lane function conflict, shared lane saturation, and to optimize the entrance and exit lanes at the same time. The solving algorithm for the proposed model was given. The proposed model has fewer variables, better connection with the current traffic design methods, and can get the global optimal solution. Moreover, the solution method is relatively simple. The case study shows that the proposed model can effectively reduce the critical flow ratio, cycle and vehicle average delay at intersections.





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