高速公路施工区车队被动换道行为建模与仿真  

Modeling and simulation of passive lane-changing behavior of platoons in freeway work zone

作　　者：张俊杰 马永锋 陈淑燕 邢冠仰 张子煜 ZHANG Junjie;MA Yongfeng;CHEN Shuyan;XING Guanyang;ZHANG Ziyu(College of Transportation,Jiangsu Key Laboratory of Urban ITS,Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic Technologies,Southeast University,Nanjing 211189,China)

机构地区：[1]东南大学交通学院,城市智能交通江苏省重点实验室,现代城市交通技术江苏高校协同创新中心,江苏南京211189

出　　处：《浙江大学学报（工学版）》2024年第2期381-387,共7页Journal of Zhejiang University：Engineering Science

基　　金：国家重点研发计划资助项目(2022YFB4300300)。

摘　　要：针对高速公路施工区域车速波动大,通行效率低的问题,从网联环境车队行为协同优化角度出发,构建车队被动换道行为模型.利用Plexe-SUMO搭建仿真平台,设计相应车队生成及换道选择算法,实现车队行为的生成与仿真.考虑不同的流量状态,通过调整车队规模,探究不同车队规模对施工区通行效率提升的影响,寻求较理想的车队组织形式.结果表明,在中、低流量(小于900辆/h)状态下,车辆以较小规模(小于4辆)的车队形式行驶较合适.随着路段流量的增多,尤其在高流量状态下,车辆组成规模较大的车队(大于6辆)更能够提升通行效率.在实验场景下,当单车道流量小于1100辆/h时,理想的车队规模为2辆.当流量较大时,理想车队规模为6~8辆.这表明在不同流量状态下的施工区域,存在某一合理车队规模,使得路段通行能力达到最优.A passive lane-changing behavior model for connected vehicle platoons was developed from the perspective of cooperative optimization of platoon behavior aiming at the issue of significant speed fluctuations and low traffic efficiency in freeway work zones.The Plexe-SUMO simulation platform was employed,and algorithms for platoon generation and lane-changing choices were designed,thereby enabling the generation and simulation of platoon behavior.Different traffic flow conditions were considered,and the impact of platoon size adjustments on the enhancement of traffic efficiency in work zones was analyzed,culminating in the quest for an optimal platoon organization structure.The experimental results show that small platoons of less than 4 pcu are more suitable in medium and low-volume states(less than 900 pcu/h).Larger platoon sizes(greater than 6 pcu)improved passing efficiency as volume increases,especially in high-volume states.An ideal platoon size of 2 pcu was found when the single-lane volume was less than 1100 pcu/h in the experimental scenario,while a platoon size between 6 and 8 pcu was ideal for high volume states.There exists an optimal platoon size in work zones under different traffic flow conditions,allowing the roadway capacity to reach its maximum efficiency.

关 键 词：车队 高速公路 施工区 被动换道 车队规模优化 Plexe-SUMO 

分 类 号：U491[交通运输工程—交通运输规划与管理]