Complex network theory-based water route vulnerability research method

A complex network and vulnerability technology, applied in the field of vulnerability research of water routes based on complex network theory, can solve problems such as poor network connectivity and inability to maintain basic functions, to ensure stability, focus on fast calculation speed, and improve navigation. effects of the environment

Inactive Publication Date: 2018-04-24
WUHAN UNIV OF TECH
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Problems solved by technology

In a complex network, if some nodes are deliberately removed, causing the network to split into several subnets, the network connectivity becomes poor, and even its basic functions cannot be maintained, then the network is vulnerable

Method used

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  • Complex network theory-based water route vulnerability research method
  • Complex network theory-based water route vulnerability research method

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Embodiment 1

[0019] A method for researching the vulnerability of water routes based on complex network theory. The specific steps of the method for researching vulnerability of water routes based on complex network theory are as follows: including an implementation plan and a research method; the research method includes complex network theory and numerical calculation; The complex network theory described includes basic concepts and characteristic parameters.

[0020] The specific operation steps of described embodiment are:

[0021] S1: Take the water area as the research object, and obtain the traffic environment data and ship AIS track map of the water area through on-the-spot research and literature review;

[0022] S2: Through the research on the distribution of the ship's AIS track, extract the distribution characteristics of the ship's route, and use the intersection and turning point of the ship's route as the node, and use the actual track and channel of the ship as the edge to ...

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Abstract

The invention discloses a complex network theory-based water route vulnerability research method. The complex network theory-based water route vulnerability research method comprises an implementationscheme and a research method, wherein the research method comprises a complex network theory and numerical calculation; and the complex network theory comprises a basic conception and feature parameters. According to the method, a ship route network model is established; and MATLAB software is utilized to calculate feature parameters of a complex network, wherein feature parameters comprise degree distribution, a clustering coefficient, a relative size of a maximal connected subgraph, an average efficiency of the network and a tightness index. The numerical calculation pays attention to the stability of calculation, is capable of controlling the growth momentums of errors and ensuring the stability of the calculation process, and pays attention to high calculation speed and high calculation precision, so that the numerical calculation is capable of correctly judging the property of the network and has reliability for the researches.

Description

technical field [0001] The invention relates to the field of water research, in particular to a research method for water route vulnerability based on complex network theory. Background technique [0002] The transportation system is the foundation of social and economic development, a symbol of human civilization, and an important tool for the country to allocate resources and macro-control. It promotes the social division of labor, the development of large industries and the formation of economies of scale, and expands international economic and trade cooperation and human resources. It is of great significance to ensure the sustained, healthy and rapid development of the national economy, improve people's lives, and promote land development and national defense modernization. Waterway transportation is an important part of transportation. With the continuous and rapid development of my country's economy, the volume of water freight and cargo turnover in my country continu...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/18
Inventor 李岩彭秋华甘浪雄
Owner WUHAN UNIV OF TECH
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