The invention relates to the field of traffic management and control, and discloses a safety facility system suitable for highway grade crossing with large traffic volume, which comprises a data sensing module, a traffic flow modeling module, an optimal control module, a dynamic execution module and a feedback monitoring module, the data sensing module is used for collecting traffic flow speed, density and position information of the intersection in real time; the traffic flow modeling module is used for establishing a traffic flow potential field model and describing a traffic flow density and speed distribution state; the optimal control module generates an optimal control strategy; the dynamic execution module dynamically regulates and controls the duration of the signal lamp and the flicker frequency of the yellow flashing lamp according to the optimal control strategy; and the feedback monitoring module is used for monitoring the traffic flow state and the system performance, and returning feedback data to the data sensing module and the optimal control module. According to the invention, real-time dynamic regulation and control of the traffic flow at the plane intersection are realized, the traffic efficiency is improved, the accident rate of conflict points is reduced, and the safety and smoothness of the road plane intersection are guaranteed.
本申请涉及交通管理与控制领域,公开了一种适用于交通量大的公路平面交叉的安全设施系统,包括:数据感知模块、车流建模模块、最优控制模块、动态执行模块和反馈监测模块;数据感知模块用于实时采集交叉口的车流速度、密度与位置信息;车流建模模块建立车流势场模型,描述车流密度和速度分布状态;最优控制模块生成最优控制策略;动态执行模块根据最优控制策略动态调控信号灯时长、黄闪灯闪烁频率;反馈监测模块用于监测车流状态与系统性能,并将反馈数据回传至数据感知模块与最优控制模块。本发明实现对平面交叉口车流的实时动态调控,提高通行效率,降低冲突点事故率,保障公路平面交叉口的安全与畅通。
Safety facility system suitable for highway grade crossing with large traffic volume
一种适用于交通量大的公路平面交叉的安全设施系统
13.05.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
Improving Grade Crossing Safety Near Highway Intersections
Online Contents | 1997
|Highway Grade Crossing Warning System
British Library Conference Proceedings | 1994
|Engineering Index Backfile | 1900
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