Traffic control subsection optimization and self-adaptive adjusting method

An adaptive adjustment and traffic control technology, applied in the control of traffic signals and other directions, can solve the problems of time interference, redundant calculation, and the signal control sub-area cannot support coordinated signal control well, so as to avoid redundant calculation and improve The efficiency of division and the effect of overcoming the lack of division and combination

Active Publication Date: 2016-01-06
SUN YAT SEN UNIV
View PDF6 Cites 21 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, few studies have included road grades in the consideration of traffic control area division.
In addition, the division of signal control sub-area is a dynamic problem. The change of traffic flow in the urban road network has a strong time period characteristic, which will make the original signal control sub-area unable to support coordinated signal control well. When the signal control sub-area When the division pri

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Traffic control subsection optimization and self-adaptive adjusting method
  • Traffic control subsection optimization and self-adaptive adjusting method
  • Traffic control subsection optimization and self-adaptive adjusting method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] The technical process of the present invention is as attached figure 1 As shown, there are five steps including database construction, static traffic control area division based on road grade, dynamic traffic control area division based on real-time traffic flow, signal light traffic control area classification based on signal intersection saturation, and traffic control area adaptive adjustment .

[0022] 1.1 Database construction:

[0023] Construct the road network and traffic flow database, and clarify the topological relationship of the road network and road grades; the topological relationship of the road network is mainly the adjacency relationship between signal intersections, and the road grades are divided into three major categories: urban arterial roads, urban secondary arterial roads, and urban branch roads kind.

[0024] 1.2 Static traffic contr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a traffic control subsection optimization and self-adaptive adjusting method. Traffic control subsection division is carried out based on static road levels and dynamic real-time traffic flows, traffic control subsections requiring signal lamp linkage management and control and manual intervention are determined according to a saturation index, and the traffic control subsections are automatically updated. According to the invention, static and dynamic division is carried out on the traffic control subsections based on the road levels and the real-time traffic flows, so that the subsection division efficiency is effectively improved; the different types of traffic control subsections are determined according to the saturation, so that reasonable signal lamp linkage management and control schemes and manual intervention schemes are facilitated; in addition, according to the changes of the real-time traffic flows, the plurality of changed traffic control subsections are re-divided, so that redundant calculation generated by re-division of a whole road network is avoided.

Description

technical field [0001] The invention relates to an urban traffic control sub-area division method, in particular to a traffic control sub-area division and area self-adaptive adjustment method combined with road grades and real-time traffic flow. Background technique [0002] The division of sub-regions is the prerequisite for regional coordinated signal control and the determination of reasonable traffic control measures and scope. It divides the huge and complex road network into several evaluation sub-areas according to certain principles and methods, so as to obtain the relationship between traffic supply and traffic demand in the sub-areas, and then determine the signal coordination control strategy or traffic control measures of different traffic control areas Wait. [0003] At present, there are mainly two methods of subdivision division, static and dynamic division. Since static division cannot be adjusted reasonably in time according to real-time traffic condition...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G08G1/07
Inventor 柳林肖露子周素红李秋萍宋江宇宋广文
Owner SUN YAT SEN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap