The invention discloses a dynamic speed limit control method for a highway bottleneck section in a mixed traffic flow environment. The dynamic speed limit control method comprises the following steps: S1, identifying the highway bottleneck section by using traffic event detection equipment or a construction operation reporting system; s2, setting a speed limit control period and a model prediction period; s3, dividing a control road section according to the area where the bottleneck road section is located; S4, collecting traffic flow data of a to-be-controlled road section of the expressway by using traffic flow monitoring equipment; s5, optimizing the cellular transmission model according to the collected traffic flow data and the traffic flow characteristics of the normal, speed-limiting and bottleneck road sections of the expressway in the mixed traffic flow environment to obtain an improved cellular transmission model; and S6, selecting an optimal speed limit value according to the improved cellular transmission model, and issuing the optimal speed limit value through a dynamic speed limit control system.
本发明公开了一种混合交通流环境高速公路瓶颈路段动态限速控制方法,包括:S1利用交通事件检测设备或施工作业上报系统对高速公路瓶颈路段进行识别;S2设置限速控制周期及模型预测周期;S3根据瓶颈路段所在区域划分控制路段,S4利用交通流监测设备对高速公路待控制路段的交通流数据进行采集;S5根据采集的交通流数据和混合交通流环境下高速公路正常、限速及瓶颈路段的交通流特性对元胞传输模型进行优化,得到改进元胞传输模型;S6根据改进的元胞传输模型选出最优限速值,将最优限速值通过动态限速控制系统进行发布。
Dynamic speed limit control method for bottleneck road section of expressway in mixed traffic flow environment
一种混合交通流环境高速公路瓶颈路段动态限速控制方法
2022-09-16
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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