Nuclear power network security situation awareness and health degree assessment method and device

By using deep learning technology in nuclear power networks for feature extraction, timing analysis, feature matching and correlation analysis, combined with multi-task learning and integrated learning models, the problems of complex attack pattern recognition and health assessment in nuclear power networks are solved, and more efficient security situation awareness and health assessment are achieved.

CN119719978APending Publication Date: 2025-03-28CHINA NUCLEAR POWER OPERATION TECH CORP +3
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Patent Information

Application Number
CN202411769236.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

Due to the diverse data sources and complex characteristics in nuclear power networks, traditional security monitoring methods are difficult to deal with complex attack patterns and increasing security threats, resulting in limited accuracy and real-time nature of situational awareness.

Method used

Feature extraction is performed using a shared encoder, combined with long and short-term memory networks, gated recurrent units or timing convolutional networks for timing feature extraction, and constructing a feature matching layer by comparing learning matching traffic data and log data, introducing a self-attention mechanism for correlation analysis and feature fusion, using a multi-task learning model for event classification, and health assessment is performed through an integrated learning model.

Benefits of technology

It improves the accuracy and real-time awareness of nuclear power network security situations, can more effectively identify complex attack patterns and potential threats, provide more accurate health assessments, and support the security operations of nuclear power networks.

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Abstract

The invention belongs to the technical field of nuclear power, and particularly relates to a nuclear power network security situation awareness and health degree assessment method and device. According to the nuclear power network security situation awareness and health degree assessment method provided by the invention, an intelligent situation awareness platform is constructed by integrating multivariate data fusion, time sequence feature extraction, field matching and association analysis. Compared with a traditional method, the method introduces a self-attention mechanism and a multi-task learning model, so as to improve the precision of feature fusion and event classification. Besides, through an online learning and transfer learning mechanism, the system can continuously optimize an algorithm and adapt to a dynamically changing network environment, so that powerful support is provided for safe operation of a nuclear power network.
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