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交通流诱导与控制协同的双目标优化模型及准最优求解算法 预览 被引量:5

Quasi-optimal algorithm for double-objective optimization model of traffic flow guidance coordinated with signal control
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摘要 提出了一种基于消散拥堵和系统总出行时间最小的双目标诱导控制协同优化模型,算法引入饱和度的概念,采用小步距微量调整信号配时、试算优化的方法,适当加载或卸载交通量,优化交叉口信号配时,使交通流在不断反馈与不断调整过程中达到最优.采用VISSIM建立模拟路网进行了协同算法试验,并对协同实施效果进行了评价,结果表明:在进行3次协同后拥堵基本消散,经过第4、5次协同能实现系统总行程时间尽可能小. A double-objective optimization model for traffic flow guidance coordinated with signal control to dispel traffic congestion and minimize total travel time of the road network was suggested. An index of congestion measurement was introduced in the model algorithm, traffic signal timing was adjusted in short traffic flow steps, the traffic flow was uploaded or downloaded at links by trial optimization, signal control was optimized at intersections, and traffic flow was optimized in the process of its feedback and adjustment. A simulation road network was built by means of the software VISSIM, the coordinated algorithm was tested in the network, and its efficiency was evaluated. The results show that traffic congestion was almost dispelled after 3 coordination intervals and after 4th and 5th coordination the minimization of the total travel time of the system was realized.
作者 保丽霞 杨兆升 胡健萌 杨晓光 Bao Li-xia  Yang Zhao-sheng  Hu Jian-meng  Yang Xiao-guang  (1. School of Transportation Engineering, Tongji University, Shanghai 200092, China; 2. Shanghai Baokang Electronic Control Engineering Co. , Ltd. , Shanghai 201203 , China; 3. College of Transportation, J ilin University, Changchun 130022, China)
出处 《吉林大学学报:工学版》 EI CAS 北大核心 2007年第2期 319-324,共6页 Journal of Jilin University:Eng and Technol Ed
基金 中国博士后基金资助项目(20060400179) 国家自然科学基金重点资助项目(70631002) 吉林大学"985工程"资助项目.
关键词 交通运输系统工程 协同模型 准最优算法 交通流诱导 交通控制 engineering of communications and transportation system coordination model quasi-optimal algorithm traffic flow guidance traffic signal control
作者简介 保丽霞(1978-),女,博士.研究方向:智能交通系统.E-mail:jlublx@163.com 通讯联系人:杨兆升(1938-),男,教授,博士生导师.研究方向:智能交通系统.E-mail:yangzs@jlu.edu.cn
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