Urban expressway automatic even detecting and synergetic command dispatching system based on occupation ratio data
A technology of command and dispatch system and event detection, which is applied in the traffic control system of road vehicles, traffic flow detection, traffic control system, etc., and can solve problems such as vehicle guidance and control, upstream traffic jams, traffic jams, etc.
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Embodiment 1
[0041] The urban expressway automatic event detection and coordinated command and dispatch system based on occupancy rate data described in this embodiment is as follows: figure 1 As shown, it includes: a traffic flow detection unit arranged at multiple sections of the road, for detecting the occupancy rate of each lane at each section; the traffic flow detection unit is selected as a coil detector in this embodiment , the detector is made up of a data processing board and eight detector boards connected to the bus of the data processing board, and the hardware of the detector adopts Altera Cyclone series FPGAEP1C6 as processor; The traffic flow detection unit at the section is used to detect the traffic flow and occupancy rate of the section.
[0042] An automatic event detection unit is connected to the traffic flow detection unit, and the automatic event detection unit is provided with an event research and judgment module, and a threshold value is stored in the event resea...
Embodiment 2
[0053] The urban expressway automatic event detection and coordinated command and dispatch system based on occupancy rate data described in this embodiment is as follows: figure 2 As shown, compared with Embodiment 1, the difference is that the coordinated command and dispatch unit described in this embodiment is also connected to the signal light at the entrance of the expressway ramp to control the working state of the signal light at the entrance of the expressway ramp.
[0054] In addition, the automatic incident detection and coordinated command and dispatch system described in this embodiment also includes a plurality of video monitors arranged on the expressway;
[0055] The automatic event detection unit is also provided with a video callback event confirmation module connected with the event research and judgment module, and the video callback event confirmation module is respectively connected with a plurality of video monitors on the expressway, and the video callba...
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