The invention provides a vehicle trajectory optimization method for conflict elimination of a main line entrance ramp confluence area, and the method comprises the steps: building a vehicle confluence optimization control model for the confluence conflict of an expressway entrance ramp, and improving the passing efficiency of the expressway confluence area on the basis of guaranteeing the elimination of the confluence conflict; according to the optimization control method, a linear programming model is adopted for description, the maximum average running speed of a whole vehicle is taken as an optimization target, and main line and ramp traffic flows are constructed in a unified optimization framework, so that the overall traffic efficiency of a confluence area is improved; in consideration of vehicle constraint, safety constraint and confluence constraint conditions, ramp vehicles and mainline vehicles are completely separated in time and space, so that conflicts are eliminated.
本发明提供一种面向主线入口匝道合流区冲突消除的车辆轨迹优化方法,针对快速路入口匝道的合流冲突,建立车辆合流优化控制模型,在保障合流冲突消除的基础上提升快速路合流区通行效率;该优化控制方法采用线性规划模型描述,以整体车辆平均行驶速度最大为优化目标,将主线和匝道车流构建在统一的优化框架中,从而提升合流区总体通行效率;考虑车辆约束、安全约束和合流约束条件,将匝道车辆与主线车辆在时空上完全分隔,从而将冲突消除。
Vehicle trajectory optimization method for conflict elimination of main line entrance ramp confluence area
一种面向主线入口匝道合流区冲突消除的车辆轨迹优化方法
2022-08-05
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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