The invention relates to an ecological road traffic control optimization method in an Internet of Vehicles environment, and the method comprises the steps: S1, building a basic vehicle model on an ecological road according to the traffic characteristics of the ecological road, and enabling the basic vehicle model to comprise a Newton kinematics equation and a vehicle-following model for dividing vehicle formations; step S2, constructing an energy consumption optimization model based on the vehicle motion state, specifically comprising the following steps: dividing the controlled vehicle into two conditions of a road section head vehicle and a road section rear vehicle according to whether other vehicles exist in front of the vehicle, and setting the time constraint of the vehicle which is influenced by the intersection signal timing to arrive at the intersection, establishing a dual-objective optimization model of optimal networking vehicle passing time and vehicle energy consumption of the ecological road section; and S3, in an Internet of Vehicles environment, vehicle speed control and signal timing optimization are completed by using a reinforcement learning algorithm to solve a vehicle speed optimization strategy. The purposes of vehicle energy-saving driving and full utilization of road space-time resources can be achieved, and traffic jam and vehicle and object collision accidents are reduced.
本发明涉及一种车联网环境下生态道路交通控制优化方法,包括:步骤S1,根据生态道路交通特点,建立生态道路上的基础车辆模型,包括牛顿运动学方程和用于划分车辆编队的跟驰模型;步骤S2,构建基于车辆运动状态的能耗优化模型,具体包括:根据车辆前方是否存在其他车辆将受控车辆划分为路段头车和后车两种情况,设定受交叉口信号配时影响的车辆到达交叉口时间约束,建立生态道路路段联网车辆通行时间和车辆能耗最优的双目标优化模型;步骤S3,在车联网环境下,利用强化学习算法完成车辆速度控制以及信号配时优化,用于求解车辆速度优化策略。本发明能够实现车辆节能驾驶、道路时空资源充分利用的目的,减少交通拥堵、车物碰撞事故的发生。
Ecological road traffic control optimization method in Internet of Vehicles environment
一种车联网环境下生态道路交通控制优化方法
06.09.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr |
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