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Association analysis method for power network alarm information

An alarm information and power network technology, applied in the fields of digital data information retrieval, electrical components, electrical digital data processing, etc., can solve the problems of lack of scalability, backward rules, inapplicability to power networks, etc., and achieve efficient and accurate extraction and compression. Scale, the effect of improving security and stability

Pending Publication Date: 2022-04-05
SOUTHEAST UNIV
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Problems solved by technology

However, this solution lacks scalability, that is, it can only rely on existing rules in the system
The advantage of the rule-based method is that the implementation process is relatively simple, but the formulation of the rules always lags behind the new attack behavior, so it is not suitable for the background of the current complex power network environment

Method used

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  • Association analysis method for power network alarm information
  • Association analysis method for power network alarm information
  • Association analysis method for power network alarm information

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Embodiment Construction

[0061] The technical solutions provided by the present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0062] The present invention proposes a correlation analysis method for power network alarm information, the comprehensive framework of correlation analysis is as follows figure 1 As shown, it contains three modules. The first part is the alarm preprocessing module. The specific content is to first normalize the alarm logs generated by different security devices to obtain alarm data with the same format and attributes, and then process the processed alarm logs. The preprocessing operation converts it into an alarm data set that can facilitate subsequent correlation analysis; the second part is the transaction set construction module, t...

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Abstract

The invention discloses a correlation analysis method for alarm information in a power network, and the method specifically comprises the steps: carrying out the preprocessing of an alarm log generated by safety equipment in the power network, and constructing alarm information with consistent fields and formats; inputting the information to an alarm transaction construction module for constructing a transaction set, including alarm data segmentation and alarm transaction set extraction; an FP-Growth algorithm is used for mining association rules of alarm transactions, a rule filtering algorithm based on a time sequence is designed for filtering the alarm rules, and a final rule list is obtained. According to the method, the association rule of the alarm information in the power network can be quickly and accurately generated, a detailed alarm rule list is provided for power grid safety personnel, the troubleshooting efficiency of power grid safety management personnel is effectively improved, and a future network attack event is accurately early warned.

Description

technical field [0001] The invention belongs to the intersecting fields of electric power industry and network security, and in particular relates to an association analysis method for electric network alarm information. Background technique [0002] In recent years, with the vigorous development of computer technology and information technology, while the information network infrastructure has brought convenience to human society, the problem of network security has become increasingly severe. As an important part of the industrial control field, the power network is of great importance and significance to ensure its safe and stable operation. [0003] In the current situation where the power network security problem is very serious, the power network situation awareness technology emerges as the times require. Power network situational awareness can perceive the vulnerability of the power network in an all-round way, and generate alarm information of related equipment in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/2458G06F16/2457G06F16/215G06F16/25H04L41/069H04L41/0604
Inventor 程光雷轩张玉健吴桦
Owner SOUTHEAST UNIV
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