Road traffic incident detection and early warning method and system based on vehicle-road coordination
A road traffic and event detection technology, applied in the field of intelligent transportation, can solve the problems of incomplete traffic information, traffic event detection and early warning of unfavorable traffic flow operation conditions, traffic information collection is easily affected by external factors, etc., to improve reliability and accuracy Sexuality, traffic congestion relief, and the effect of enriching information sources
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[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0027] Such as Figure 1-4 As shown, the detection and early warning system used to realize the road traffic event detection and early warning method of the present invention includes a vehicle-mounted unit communicated with the vehicle ECU, and a plurality of roadsides that are arranged at intervals and can communicate with the vehicle-mounted unit. side units, and geomagnetic traffic detectors arranged correspondingly to the roadside units. The roadside unit is arranged at the narrowing place of the lane, the entrance and exit ramp, the middle position of the uphill of the overpass or the place where the traffic jam often occurs, and the lanes at the predetermined distances upstrea...
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