Data network risk evaluation method based on semi-physical simulation

A semi-physical simulation and risk assessment technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as low algorithm efficiency

Inactive Publication Date: 2015-04-08
YUNNAN ELECTRIC POWER DISPATCH CONTROL CENT
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  • Data network risk evaluation method based on semi-physical simulation
  • Data network risk evaluation method based on semi-physical simulation
  • Data network risk evaluation method based on semi-physical simulation

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[0071] A data network risk assessment method based on hardware-in-the-loop simulation, the present invention is characterized in that the method selects connection reliability as an evaluation index for the failure of the power communication network; first constructs a fault tree and an event tree of the failure of the power communication network, and analyzes the power communication network The cause of the failure; then, according to the fault tree and the event tree, an algorithm for transforming to the Bayesian network is proposed, and the Bayesian network is used to judge the failure degree of the power communication network;

[0072] The initial event of the event tree is the failure event of the edge, and the failure of the edge will lead to the failure of each OD Pair, thus causing the reliability of connectivity to drop to different levels, corresponding to different failure degrees of the power communication network; the link event of the event tree is the event that c...

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Abstract

The invention relates to a data network risk evaluation method based on semi-physical simulation. The method comprises the following steps that the communication reliability is selected as an evaluation index of power telecommunication network failure; firstly, a fault tree and an event tree of the power telecommunication network failure are built, and the power telecommunication network failure reason is analyzed; then, a Bayesian network conversion algorithm is provided by respectively aiming at the fault tree and the event tree, and the power telecommunication network failure degree is judged by adopting a Bayesian network. The data network risk evaluation method has the advantages that the power telecommunication network failure is analyzed from the point of graph theory, the power telecommunication network failure reason is analyzed, and the communication reliability is selected as the evaluation index of the power telecommunication network failure.

Description

technical field [0001] The invention relates to a data network risk assessment method based on semi-physical simulation. Background technique [0002] As one of the important attributes of power communication network, the failure degree has been paid more and more attention by people, and the research on the failure degree of complex network has penetrated into many fields. In the field of power communication network, with the increase of communication business, people gradually realize the importance of failure degree of power communication network and try to apply the failure degree of power communication network to the construction and management of power communication network. At present, in the relevant research on the failure of the power communication network, most scholars focus on the failure evaluation index system and countermeasures of the power communication network, and there are few studies on the measurement and evaluation methods of the failure degree of the...

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Application Information

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IPC IPC(8): H04L12/24H04L12/26H02J13/00
Inventor 田丰刘宇明刘彤何林宏李辉苏进李晓耕李朝广韩熙媛程涛陈龙陈文
Owner YUNNAN ELECTRIC POWER DISPATCH CONTROL CENT
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