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浙江大学学报(工学版)  2020, Vol. 54 Issue (5): 921-930    DOI: 10.3785/j.issn.1008-973X.2020.05.009
土木工程、交通工程     
交叉口信号相位设置与配时同步优化模型
卢凯1(),田鑫1,林观荣2,*(),邓兴栋3
1. 华南理工大学 土木与交通学院 亚热带建筑科学国家重点实验室,广东 广州 510641
2. 深圳市城市交通规划设计研究中心有限公司,广东 深圳 518021
3. 广州市城市规划勘测设计研究院,广东 广州 510060
Simultaneous optimization model of signal phase design and timing at intersection
Kai LU1(),Xin TIAN1,Guan-rong LIN2,*(),Xing-dong DENG3
1. State Key Laboratory of Subtropical Building Science, School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China
2. Shenzhen Urban Transport Planning Center Co. Ltd, Shenzhen 518021, China
3. Guangzhou Urban Planning and Design Survey Research Institute, Guangzhou 510060, China
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摘要:

考虑非关键车流、跨相位车流、隔相车流和行人过街的通行需求,提出基于机动车通行需求的相位时间分配目标函数,建立行人过街约束下的交叉口相位时间分配基础模型;针对多种信号相位设计方案的优选问题,结合相位时间分配基础模型,建立相位设计方案优选模型,实现交叉口相位设置与信号配时的同步优化;针对多股跨相车流、隔相车流及非关键车流的通行时间分配问题,建立交叉口相位时间多轮分配模型,给出交叉口信号相位时间的分配流程,设计相位设置与信号配时的同步优化方法. 案例分析表明,所提模型能够通过对信号相位结构的优化与相位时间的多轮分配,实现信号相位设计方案的优选,能够处理搭接、隔相、重复相位等复杂相位设计情况,并兼顾行人过街需求,从而更好地保证交叉口的整体运行效率.

关键词: 交通工程交通信号控制信号相位设置相位时间多轮分配跨相位车流    
Abstract:

The objective function of phase time allocation based on vehicle demand was proposed, and the basic model for phase time allocation of intersections with pedestrian crossing constraints was established, considering the traffic demands of non-critical movement, overlap phase movement, interrupted phase movement and pedestrian. The optimization model of phase design scheme was established, aiming at the optimization problem of multiple optional signal phase design schemes and combined with the basic model for phase time allocation of intersections. The proposed model can realize the synchronous optimization of intersection phase design and signal timing. A multi-round phase time allocation model was presented, for the phase time allocation of multiple overlap phase movement, interrupted phase movement and non-critical movement. The phase time allocation process was given and a simultaneous optimization method of signal phase design and timing at intersection was proposed based on the proposed allocation model. Case analysis shows that the model can optimize signal phase structure and allocate phase time in multiple rounds. It can deal with the complex phase design conditions such as overlap phase, interrupted phase and repeated phase, and take into account the demand of pedestrian crossing, so as to better ensure the overall operation efficiency of intersections.

Key words: traffic engineering    traffic signal control    signal phase design    phase time    multi-round allocation    overlap phase movement
收稿日期: 2019-11-19 出版日期: 2020-05-05
CLC:  U 491.5+4  
基金资助: 国家自然科学基金资助项目(61773168,61873098);中央高校基本科研业务费专项资金资助项目(2019ZD45)
通讯作者: 林观荣     E-mail: kailu@scut.edu.cn;linguanrong@sutpc.com
作者简介: 卢凯(1979—),男,博导,教授,从事交通控制研究. orcid.org/0000-0002-2010-1875. E-mail: kailu@scut.edu.cn
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引用本文:

卢凯,田鑫,林观荣,邓兴栋. 交叉口信号相位设置与配时同步优化模型[J]. 浙江大学学报(工学版), 2020, 54(5): 921-930.

Kai LU,Xin TIAN,Guan-rong LIN,Xing-dong DENG. Simultaneous optimization model of signal phase design and timing at intersection. Journal of ZheJiang University (Engineering Science), 2020, 54(5): 921-930.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2020.05.009        http://www.zjujournals.com/eng/CN/Y2020/V54/I5/921

图 1  相位设计与配时同步优化流程
图 2  案例交叉口渠化与信号灯组设置情况
图 3  备选相位方案1及其相位与交通流对应情况
图 4  备选相位方案2及其相位与交通流对应情况
No. 情形1 情形2
q/(pcu?h?1 $\tilde t$/s q/(pcu?h?1 $\tilde t$/s
M1 1 726 85 1 726 85
M2 1 516 75 1 516 75
M3 1 578 78 1 578 78
M4 884 45 464 25
M5 674 35 1 726 85
M6 674 35 674 35
M7 1 600 79 1 600 79
M8 378 21 378 21
M9 884 45 464 25
P10 ? 38 ? 38
P11 ? 16 ? 16
P12 ? 30 ? 30
P13 ? 35 ? 35
表 1  2种情形中各股车流的流量及所需最短通行时间
方案 相位A 相位B 相位C 相位D
 1)注:黑体表示最佳方案.
方案11) 35 78 30 47
方案2 35 70 30 55
表 2  情形1中2个相位方案的最佳配时结果
方案 相位A 相位B 相位C 相位D
 1)注:黑体表示最佳方案.
方案1 35 87 30 38
方案21) 35 78 30 47
表 3  情形2中2个相位方案的最佳配时结果
图 5  情形1下2组相位方案车流延误时间对比
图 6  情形2下2组相位方案车流延误时间对比
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