提高高速公路通行效率的可变限速控制策略  

Evaluation of impact variable speed limits on improving traffic efficiency on freeways

作　　者：李志斌[1] 金茂菁[2] 刘攀[1] 徐铖铖[1] 

机构地区：[1]东南大学交通学院,南京210096 [2]科技部高技术研究发展中心,北京100044

出　　处：《吉林大学学报（工学版）》2013年第5期1204-1209,共6页Journal of Jilin University:Engineering and Technology Edition

基　　金：'973'国家重点基础研究发展计划项目(2012CB725400);'863'国家高技术研究发展计划项目(2012AA112304);东南大学优秀博士学位论文基金项目(YBPY1211)

摘　　要：为减少高速公路常发瓶颈区域车辆行驶延误,针对提高瓶颈区域通行效率的可变限速控制策略与控制效果进行了研究。阐述了瓶颈通行能力下降现象与通行效率的关系,提出防止瓶颈区域通行能力下降的可变限速控制策略,讨论了不同瓶颈类型的可变限速控制方法与理论效果。以入口匝道交通瓶颈为例,对可变限速控制策略的效果进行仿真分析,结果表明该策略减少了车辆总通行时间25.5%,减少车辆总行驶延误56.1%,有效提升了高速公路常发瓶颈区域通行效率。To reduce control strategy of vehicle delay at recurr Variable Speed Limits ent bottlenecks on free （VSL） to improve the First, the relationship between the capacity drop strategy of VSL that aims to prevent the capacity several different bottlenecks and the expected e ways, this traffic effi study aims cleney near to develop a bottlenecks. and traffic efficiency was analyzed. Then a control drop was proposed. The implementation of VSL at fleets were discussed. The proposed strategy was evaluated for a merging bottleneck via simulation. The reduced by 25.5% by the VSL, and the total delay was the vicinity of recurrent bottleneck was improved by this results show that the total travel time was reduced by 56.1%. The traffic efficiency in VSL control strategy.

关 键 词：交通运输系统工程 通行效率 可变限速 控制策略 交通瓶颈 

分 类 号：U491.4[交通运输工程—交通运输规划与管理]