The invention provides a method for describing a car-following behavior of a networked vehicle in multi-vehicle mixed traffic, and belongs to the technical field of intelligent traffic information. The method comprises the following steps: acquiring motion parameters of a following vehicle and a leading vehicle at a t moment and a t + t moment in a network connection scene; calculating a speed difference and a position difference between a following vehicle and a leading vehicle at a t-moment observation road section and a traffic flow average speed at the t-moment through the obtained motion parameters; calculating the influence of the leading vehicle on the model factor of the following vehicle according to the following pair combination type of the road section observed at the moment t; calculating an expected following distance of the following vehicle at the moment t according to the obtained motion parameters and the influence of the leading vehicle at the moment t on the vehicle type factor of the following vehicle; and calculating the acceleration of the following vehicle at the moment of t + T according to the data obtained in the steps, thereby describing the motion state of the following vehicle. According to the method, the dynamic operation rule of the traffic system is simulated and analyzed, and a theoretical basis is provided for traffic management and control.
本发明提供了一种多车型的混合交通中网联车辆跟驰行为刻画方法,属于智能交通信息技术领域。本发明包括以下步骤获取网联场景下t时刻和t+△t时刻观测路段跟驰车与前导车的运动参数;通过获取的所述运动参数计算t时刻观测路段跟驰车与前导车的速度差和位置差,以及t时刻车流平均速度;根据t时刻观测路段的跟车对组合类型,计算前导车对跟驰车的车型因素影响;通过获取的所述运动参数以及所述t时刻前导车对跟驰车的车型因素影响计算t时刻跟驰车的期望跟驰间距;根据上述步骤得到的数据计算t+T时刻跟驰车的加速度,从而对跟驰车的运动状态进行描述。本发明对对交通系统的动态运行规律进行仿真与分析,为交通的管理与控制提供理论依据。
Method for depicting car-following behaviors of networked vehicles in multi-vehicle-type mixed traffic
一种多车型的混合交通中网联车辆跟驰行为刻画方法
02.12.2022
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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