The invention relates to the technical field of intelligent traffic systems, and discloses a hard shoulder driving and variable speed limit cooperative control method and system.The method comprises the steps that traffic data are collected, and the traffic data comprise traffic information and speed limit values; according to the hard shoulder lane-borrowing driving motivation, the lane-borrowing safety condition and the emergency or rescue vehicle requirement of the networked autonomous vehicle, whether the networked autonomous vehicle can run through the hard shoulder lane or not is judged; inputting the collected traffic data into a pre-constructed DDPG algorithm to determine a state, an action space and a reward function of the DDPG algorithm, and outputting an optimal speed limit value; and the optimal speed limit value of each lane of the control road section is generated through a DDPG algorithm, and the network-connected automatic driving vehicle adjusts the vehicle speed according to the optimal speed limit value. The method can be used for highway entrance ramp sections with serious congestion, the average travel time and carbon dioxide emission of the road network can be reduced, and a new method is provided for efficient and low-carbon targets of smart highways in China.
本发明涉及智能交通系统技术领域,公开了一种硬路肩行驶与可变限速协同控制方法及系统,该方法包括采集交通数据,所述交通数据包括交通信息和限速值;根据网联自动驾驶汽车的借硬路肩车道行驶动机、借道安全条件、应急或救援车辆需求,判断网联自动驾驶汽车能否借硬路肩车道行驶;将采集到的交通数据输入预先构建的DDPG算法中,以确定DDPG算法的状态、动作空间以及奖励函数,输出最优限速值;通过DDPG算法生成控制路段每条车道的最优限速值,网联自动驾驶汽车根据最优限速值调整车速。本发明可用于拥堵严重的高速公路入口匝道路段,能够降低路网平均行程时间与二氧化碳排放量,为我国智慧高速公路高效低碳目标提供了新的方法。
Hard shoulder driving and variable speed limit cooperative control method and system
一种硬路肩行驶与可变限速协同控制方法及系统
2025-03-21
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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