A signal timing method for emergency vehicles passing through intersections based on v2x technology
A technology for emergency vehicles and intersections, applied in the field of traffic signals, can solve problems such as difficult and efficient passage, accidents, delays in the best rescue time, etc., to achieve the effect of efficient travel, efficient passage, and overall planning
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[0034] Such as figure 1 As shown, the present invention provides a signal timing method for emergency vehicles passing through intersections based on V2X technology: comprising the following steps:
[0035] A1: The path planning of emergency vehicles plans an optimal path for vehicles under known environmental map information. The traditional route selection method is based on the status of the current road network, which does not take into account the high priority of emergency vehicles. In this project, before the emergency vehicle travels, the traffic information acquisition subsystem analyzes the road traffic operation status and monitors the traffic flow data, and will use the corresponding relationship between the travel time and the traffic flow in the Davidson function to obtain the Minimum travel time on the road. Then, road sections are represented as arcs in the graph theory network, intersections are represented as nodes in the network, and the shortest travel ti...
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