Intersection control machine capable of shortening green light lost time and control method

A technology of green light lost time and intersection control machine, which is applied in the field of intelligent transportation, can solve the problems of green light time loss, etc., and achieve the effect of improving efficiency and reducing green light lost time

Active Publication Date: 2014-07-30
BEIJING E HUALU INFORMATION TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention solves the problem that in the prior art, the intersection traffic signal cannot accurately give the green light signal to the vehicle that first arrives at the stop line direction, and often gives the direction where there are no vehicles and pedestrians, resulting in the loss of green light time, thereby providing a Intersection control machine capable of reducing green light loss time and control method

Method used

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  • Intersection control machine capable of shortening green light lost time and control method
  • Intersection control machine capable of shortening green light lost time and control method
  • Intersection control machine capable of shortening green light lost time and control method

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Embodiment 1

[0047] This embodiment provides a kind of crossing control machine capable of reducing the lost time of green lights, including a signal light control unit for controlling the color change of signal lights, such as figure 1 As shown, it also includes a video tracking unit, a first judging unit, a second judging unit, a third judging unit and a fourth judging unit.

[0048] The video tracking unit is arranged in each driving direction of the intersection, continuously tracks the vehicles traveling in each direction, and obtains the speed and position of each vehicle traveling towards the center of the intersection.

[0049] The first judging unit judges whether there are vehicles traveling toward the center of the intersection in each direction.

[0050] When the signal light control unit has no vehicles traveling toward the center of the intersection in each direction, the control signal lights are switched sequentially with the minimum green light time; vehicles to provide a...

Embodiment 2

[0076] This embodiment provides a kind of intersection control method that can reduce the green light lost time, such as image 3 shown, including the following steps:

[0077] S1: Use video tracking technology to continuously track vehicles traveling in all directions, and obtain the speed and position of each vehicle traveling towards the center of the intersection.

[0078] S2: Determine whether there are vehicles heading towards the center of the intersection in each direction. If there is no vehicle heading towards the center of the intersection in each direction, control the signal lights to switch sequentially with the minimum green light time; if there is only one direction toward the center of the intersection If there is a traveling vehicle, the signal lamp is controlled to provide a green light signal for the vehicle in this direction; otherwise, there are vehicles traveling toward the center of the intersection in at least two directions, and then enter step S3.

...

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Abstract

The invention provides an intersection control machine capable of shortening green light lost time and a control method. Detectors with the video tracking function are used for continuously tracking all vehicles passing an intersection, the time for each vehicle to reach an intersection stop line at a current speed can be accurately detected, when vehicles come from two directions at the same time, the vehicles which reach the stop line first can be accurately measured under the current road traffic conditions, on the premise that the current speeds of the vehicles in the two directions are kept, a green light signal can be preferentially provided for the vehicles which reach the stop line first, and the efficiency of the green light is improved. According to the technical scheme of the intersection control machine, the problem caused by the mode that only one or more detectors can be embedded in the cross section, nearby the intersection stop line or with a certain distance from the intersection stop line, of the intersection is solved.

Description

technical field [0001] The invention relates to the technical field of intelligent transportation, in particular to an intersection control machine and a control method capable of reducing the lost time of green lights. Background technique [0002] The intersection traffic signal control machine is an effective method to standardize the traffic order at intersections, prevent and reduce traffic accidents caused by disorderly intersections, and improve the efficiency of intersection traffic. Domestic and foreign traffic management departments generally use traffic signal controllers to control the orderly transformation of red, yellow and green lights at intersections where urban traffic volume changes greatly to regulate the order of intersection traffic. [0003] When people drive to an intersection controlled by signal lights, they all hope that they will not stop when they encounter a green light. This is impossible when the traffic in all directions at the intersection ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/08
Inventor 姜廷顺李占宏林拥军李艳东李颖宏冉学均
Owner BEIJING E HUALU INFORMATION TECH
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