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.

Inactive Publication Date: 2011-05-18
隋亚刚 +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the automatic detection system in the prior art, when an accident occurs, the vehicles located in the upstream of the accident scene cannot be dredged and controlled immediately, which will easily ca

Method used

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  • Urban expressway automatic even detecting and synergetic command dispatching system based on occupation ratio data
  • Urban expressway automatic even detecting and synergetic command dispatching system based on occupation ratio data
  • Urban expressway automatic even detecting and synergetic command dispatching system based on occupation ratio data

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Experimental program
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Effect test

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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Abstract

The invention discloses an urban expressway automatic even detecting and synergetic command dispatching system based on occupation ratio data, which comprises a traffic flow detecting unit, an automatic even detecting unit and a synergetic command dispatching unit, wherein the automatic even detecting unit is connected with the traffic flow detecting unit and is provided with an even research and judgment module; the even research and judgment module receives occupation ratio data transferred by the traffic flow detecting unit, compares the occupation ratio data with a threshold value after calculating the occupation ratio data and judges whether a traffic event happens or not; the synergetic command dispatching unit is connected with the automatic event detecting unit; and the synergetic command dispatching unit is connected with a lane commanding light on the expressway and controls a work indicating state of the lane commanding light. When the traffic event happens, the synergetic command dispatching unit sets the lane commanding light at the upstream of the accident into a no-passing state, and a vehicle positioned on the upstream lane of the accident scene can select other lanes to pass in time, thereby effectively preventing the traffic jam phenomenon caused by the traffic event.

Description

technical field [0001] The invention relates to the field of intelligent traffic control, in particular to an event automatic detection and coordinated command and dispatch system based on motor vehicle flow and occupancy data on urban expressways. Background technique [0002] The technology of automatic detection of traffic incidents or incidents based on video image processing has become an important detection technology and has been widely valued at home and abroad. However, a common problem with automatic detection of urban expressway traffic incidents or incidents using video sensors is that the quality of images obtained by video cameras is affected by many factors, including: 1. the angle at which the camera is set; 2. the distance between vehicles; 3. Changes in light with time and weather will also have a certain impact on the appearance of the vehicle; 4. The impact of instantaneous changes in the position and direction of the vehicle, for example, vehicles enteri...

Claims

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Application Information

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IPC IPC(8): G08G1/01G08G1/065G08G1/08
Inventor 隋亚刚李志恒苏岳龙尹胜超李力
Owner 隋亚刚
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