The invention discloses a signalized intersection trajectory planning method based on vehicle-infrastructure cooperation and digital twinning, and the method comprises the steps: storing the geometric shape of an intersection, the slope of a road surface and other static data in a cloud server, and storing a vehicle part-level dynamic model in the cloud server; the signal transmission quantity is greatly reduced, and the signal transmission time delay is effectively shortened; on the basis of vehicle-road cooperation and digital twinning technologies, the potential of vehicle trajectory planning is deeply excavated by relying on an artificial intelligence large model method, and the comprehensive performance of the vehicle trajectory planning is improved; when trajectory planning is carried out in a digital twin scene, the economical efficiency of the vehicle is fully considered, a vehicle part-level dynamic model is adopted, and by means of the cloud large computing power processing capacity and the 5G low-delay technology, the planning potential is fully excavated, and the road passing efficiency and the vehicle driving economical efficiency, stability and safety are improved.
本发明公开了一种基于车路协同和数字孪生的信号交叉口轨迹规划方法,采用将交叉口几何形状和路面坡度等静态数据存储在云端服务器,同时将车辆部件级动力学模型也存储在云端服务器,不仅较大程度减少信号传递量而且有效缩短信号传递时延;基于车路协同和数字孪生技术,依托人工智能大模型方法,深度挖掘车辆轨迹规划的潜力,提升其综合性能;在数字孪生场景进行轨迹规划时,充分考虑车辆的经济性,采用车辆部件级动力学模型,借助云端大算力处理能力和5G低延时技术,充分挖掘规划潜力,提升道路通行效率,车辆行驶经济性、稳定性和安全性。
Signal intersection trajectory planning method based on vehicle infrastructure cooperation and digital twinning
一种基于车路协同和数字孪生的信号交叉口轨迹规划方法
2024-05-07
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze |
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