The invention discloses a multi-ramp cooperative control method under an intelligent network connection mixed traffic flow, and the method comprises the steps: starting from the microscopic car-following behavior of a vehicle, firstly building a mixed traffic flow model considering different CAV driving levels and different CAV permeability according to the car-following models of an intelligent network connection vehicle and a manual driving vehicle; and a corresponding traffic basic diagram is obtained. And obtaining the corresponding critical density, critical speed and traffic capacity based on the mixed traffic flow fundamental diagram by using a gradient descent method. A dynamic critical occupancy estimation method is provided to realize real-time perception of a mixed traffic flow environment. And in combination with dynamic critical occupancy estimation, a multi-ramp cooperative control framework oriented to the intelligent network connection mixed traffic flow environment is constructed, and the robustness of a control strategy is improved. Through the ramp cooperative control strategy, traffic jam can be effectively relieved in an intelligent network connection mixed traffic road environment.
本发明公开了一种智能网联混行交通流下的多匝道协同控制方法,本发明从车辆的微观跟驰行为入手,首先根据智能网联车辆和人工驾驶车辆的跟驰模型,建立考虑不同CAV驾驶水平和不同CAV渗透率的混合交通流模型,得到其对应的交通基本图。使用梯度下降法,基于混合交通流基本图得到其对应的临界密度,临界速度和通行能力。提出了动态临界占有率估计方法实现对混行交通流环境的实时感知。结合动态临界占有率估计,构建面向智能网联混行交通流环境的多匝道协同控制框架,提高了控制策略的鲁棒性。通过这种匝道协同控制策略,可以在智能网联混行交通路环境下有效缓解交通拥堵。
Multi-ramp cooperative control method under intelligent network connection mixed traffic flow
一种智能网联混行交通流下的多匝道协同控制方法
2024-09-06
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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