车联网环境下应急车辆换道策略模型  

A Model for Emergency Vehicle Lane Change Strategies in a Connected Vehicle Environment

作　　者：杜胜品[1] 胡辰宇 DU Shengpin;HU Chenyu(School of Automobile and Traffic Engineering,Wuhan University of Science and Technology,Wuhan 430081,China)

机构地区：[1]武汉科技大学汽车与交通工程学院,湖北武汉430081

出　　处：《物流科技》2024年第9期93-97,共5页Logistics Sci-Tech

摘　　要：为了降低应急车辆的事故到达时间,针对车联网环境下的车辆换道特点,提出一种基于博弈论思想下的应急车辆协同换道模型。分析混合交通流下应急车辆与冲突车辆的交互关系,在最小安全距离的基础上根据博弈前后的安全收益、速度收益、空间收益构建换道收益模型,对应急车辆换道进行决策引导。以应急车辆的平均速度、通行时间以及延误作为评价标准,评估模型的效用性。仿真结果表明:在同等交通密度下,博弈引导模型下应急车辆的平均速度和到达时间总体优于传统换道模型,且车辆延误通过数低于传统换道策略,在减少应急车辆到达时间的同时降低了对社会车辆的延误。In order to reduce the accident arrival time of emergency vehicles,a collaborative emergency vehicle lane-changing model based on game theory ideas is proposed for the vehicle lane-changing characteristics in the connected vehicle environment.The interaction between emergency vehicles and conflicting vehicles under mixed traffic flow is analyzed,and a lane change benefit model is constructed based on the safety benefit,speed benefit and spatial benefit before and after the game on the basis of the minimum safe distance to guide the decision of emergency vehicle lane change.The utility of the model is evaluated using the average speed,passage time and delay of emergency vehicles as evaluation criteria.The simulation results show that under the same traffic density,the average speed and arrival time of emergency vehicles under the game-guided model are generally better than the traditional lane change model,and the number of delayed vehicle passes is lower than that of the traditional lane change strategy,reducing the arrival time of emergency vehicles while reducing the delay to social vehicles.

关 键 词：应急车辆 车联网 换道决策 博弈论 收益模型 

分 类 号：U491.7[交通运输工程—交通运输规划与管理]