Design And Realization Of Intelligent Safety Monitoring System Of Power Grid Workstation

The increasingly networked and intelligentized power system makes the huge power grid system face tremendous network security pressure,and network security threats always start from the power grid terminal nodes.Therefore,terminal servers,workstations and other specific equipment must be monitored and managed.However,the original perception information collected from different terminal nodes has a high degree of inconsistency,which is reflected in the different expressions,different properties,and different types of data,which is difficult to integrate and process.In response to the above problems,the Semantic Web technology provides a good solution.Semantic technology is the key technology to solve the synergy and heterogeneity of the system.In response to the above problems,in the context of the Semantic Web,this article uses ontology models and semantic annotation related semantic technologies.The main research contents include:(1)Using automated methods to construct the Ontology SafeAgent in the field of power grid security monitoring,using the TextRank algorithm to extract ontology concepts,in the hierarchical relationship extraction,construct the ontology concept space vector model,calculate the similarity between concepts,based on this basis Cohesive hierarchical clustering.In the non-hierarchical relationship extraction,the association rule method is used to extract(subject,predicate,object)triples,extract the non-hierarchical relationship between concepts,and use the Protégé tool to visualize the ontology.This ontology model is the basis of the semantic annotation.(2)According to the characteristics of power grid safety monitoring data,URIs are used to name resources,and semantic annotations are performed according to SafeAgent ontology.The annotated data has a unified data format,which lays the foundation for the subsequent data release and system design to solve the problem of data heterogeneity.(3)Based on the above theoretical techniques and methods,the intelligent security monitoring of power grid workstations is designed and implemented.The functional module diagram of the system is designed first,and then the data flow diagram of each module is designed.The system can publish and share grid safety monitoring data,which can reduce the heterogeneity of monitoring data to a certain extent,and can achieve better semantic interoperability.