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A method for evaluating the criticality of traffic network nodes

A traffic network and criticality technology, applied in traffic flow detection, geometric CAD, etc., can solve problems such as incompleteness and difficulty in reflecting the real situation of the traffic network, and achieve the effect of comprehensive and reliable auxiliary information for criticality evaluation

Active Publication Date: 2020-04-24
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although a single evaluation index can reflect some aspects of the problem, it is not complete and it is difficult to reflect the real situation of the entire transportation network.

Method used

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  • A method for evaluating the criticality of traffic network nodes
  • A method for evaluating the criticality of traffic network nodes
  • A method for evaluating the criticality of traffic network nodes

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Embodiment Construction

[0054] In order to make the technical principles of the present invention more clearly understood, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0055] The invention is a method for evaluating the criticality of nodes and edges based on traffic network structure and flow, and relates to a data collection and processing module, a road network model building module, a significant criticality evaluation module, and a destructive criticality evaluation module;

[0056]The data collection and processing module obtains the travel demand and road network attribute information between each intersection in the target road network through search and research; The road network is constructed as a node; the criticality evaluation module of the bridge and tunnel includes a significant criticality evaluation module and a destructive criticality evaluation module. The salient criticality evaluation module proposes ...

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Abstract

The invention discloses a traffic network node criticality evaluation method, and relates to the field of transportation planning and complex networks. The traffic network node criticality evaluationmethod comprises the steps that firstly, traffic network information of a to-be-evaluated bridge or the range around a tunnel is collected, and the traffic network including the to-be-evaluated bridgeor the tunnel is established; according to all nodes and road sections in the traffic network, remarkable criticality and destructive criticality of the to-be-evaluated bridge or the tunnel nodes arecalculated; and according to the remarkable criticality and the destructive criticality of the to-be-evaluated bridge or the tunnel, and the criticality of the to-be-evaluated bridge or the tunnel iscalculated. According to the traffic network node criticality evaluation method, the criticality evaluation on the bridge and the tunnel is more complete and accurate, and is more suitable for the actual condition of the traffic network.

Description

technical field [0001] The invention relates to the fields of traffic planning and complex networks, in particular to a method for assessing the criticality of traffic network nodes. Background technique [0002] The transportation network is the most important skeleton and support of the comprehensive transportation system, and an important part of it is the transportation road network. Having a traffic road network with reasonable structure, sufficient capacity and complete functions is a necessary condition for sustainable development. The traffic road network is a complex system composed of roads with different functions, different grades, and different regions in a certain density and form. Among them, bridges and tunnels are very important infrastructure in the road network, and their criticality needs to be evaluated in the entire road network . [0003] The basic elements of the traffic road network include road sections and nodes, among which the key road sections...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/01G06F30/18
Inventor 曹先彬杜文博朱熙佟路张林张明远
Owner BEIHANG UNIV
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