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International Conference on Communications, information System and Computer Engineering (CISCE)

作者： Bo Zhang Zesheng Xi Tao Zhang Yuanyuan Ma Zhipeng Shao Hongfa Li Institute of Information and Communication Global Energy Interconnection Research Institute Nanjing China State Grid Key Laboratory of Information & Network Security Nanjing China Information & Telecommunication Branch State Grid Fujian Electric Power Co. Ltd

ISBN: (数字)9781728197616

ISBN: (纸本)9781728197623

Every day, the power system receives massive I/O logs. The amount of data in these logs is so large that it takes huge computational resources to analyze. Therefore, it is necessary to reduce the size of the massive I/O logs and only analyze the key log data, thereby reducing the workload of invalid analysis. This paper takes the I/O log of the substation as the research object, and studies the dimension reduction method of the massive I/O data flow log, which reduces the computational load brought by the high-dimensional I/O data flow log data and reduces the massive I/O data flow log. This paper proposes a method of secondary dimensionality reduction. Firstly, the high dimensional I/O log data stream is classified, so that the data is transformed from high-dimensional to low-dimensional. Then, the dimension is reduced again in each category, so that the most simplified massive I/O logs are achieved. Through theoretical analysis, we can come to the conclusion that the computational time complexity of the data after dimension reduction is reduced by more than 80%.

关键词： Dimensionality reduction power systems information systems Handheld computers Correlation coefficient Computational complexity 6G mobile communication

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Intelligent scenario computing workflow fusion design technology for power mobile operations 3rd

Intelligent scenario computing workflow fusion design techno...

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3rd International Conference on Intelligent, Interactive Systems and Applications, IISA2018

作者： Wu, Haoran Xu, Min Wang, Xiao-Ling Zhu, Jun Huang, Xueling Peng, Lin Bao, Xingchuan State Grid Wuxi Power Supply Company Sheng China Global Energy Interconnection Research Institute Beijing China State Grid Key Laboratory of Information and Network Security Beijing China

ISBN: (纸本)9783030028039

The purpose of electric power enterprise management is to improve the efficiency and competitiveness of enterprises. For this purpose, advanced information management systems are needed to assist enterprise management. The essence of proposing enterprise automation information management is to use workflow technology to coordinate and control each management process. This article starts with the introduction of the concept of workflow, analyzes the nature of workflow, classification and several modes of workflow implementation. Based on this, the application of workflow in electric power enterprise management was introduced in view of the characteristics of electric power companies. Finally, a detailed analysis of the typical workflow in the management of power companies was conducted. It has certain guiding significance for enterprise information management. Zhenjiang company’s power grid production site standardization operation business application process, based on wireless private network research mobile terminal workflow processing technology, including mobile workflow definition and interpretation, mobile workflow driver, mobile workflow scheduling, mobile workflow management technology, design The mobile workflow basic engine can run and manage processes on the mobile terminal, thus providing mobile standardization operation functions, and automating and intelligentizing the work process management and integrating on-site operation processes. © Springer Nature Switzerland AG 2019.

关键词： Standardization

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Credible Identity Authentication Mechanism of Electric Internet of Things Based on Blockchain

Credible Identity Authentication Mechanism of Electric Inter...

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作者： Liming Wang Xiuli Huang Lei Chen Jie Fan Ming Zhang State Grid Jiangsu Electric Power Co. Ltd. State Grid Key Laboratory of Information & Network Security Global Energy Interconnection Research Institute Co. Ltd.

In order to solve the problems of low authentication efficiency and easy tampering of authentication data in the electric IoT system, this paper proposes the electric IoT based on blockchain. First, the authentication model based on blockchain is proposed, and four key issues are analyzed, such as data security storage, user biometrics extraction, power terminal equipment feature extraction, and authentication key generation, then technical solutions are proposed. Secondly, based on the authentication model, the power terminal registration process, user registration process, and authentication process are proposed. The performance analysis of the authentication mechanism is carried out from four aspects: availability, integrity, privacy and efficiency. The analysis results show that the authentication mechanism proposed in this paper has good performance. Finally, the application scenarios and precautions of the authentication mechanism are analyzed.

关键词： Electric Internet of Things Authentication mechanism Blockchain Biometrics

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Trusted Identity Cross-Domain Dynamic Authorization Mechanism Based on Master-Slave Chain

Trusted Identity Cross-Domain Dynamic Authorization Mechanis...

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作者： Xiuli Huang Qian Guo Qigui Yao Xuesong Huo State Grid Key Laboratory of Information & Network Security Global Energy Interconnection Research Institute Co. Ltd. State Grid Jiangsu Electric Power Co. Ltd.

In order to solve the security problems existing when power users access power services in different domains, this paper proposes a dynamic authorization model for power users based on master-slave chain. In this model,the slave Blockchain conducts identity authentication in each autonomous domain, and the main Blockchain undertakes identity authentication among autonomous domains. Moreover, by constructing an attribute access control model, a trusted identity cross-domain authorization mechanism is proposed,and an attribute-based allocation strategy in both single-domain and crossdomain scenarios is designed in detail. Through application analysis and security analysis, it is verified that the trusted identity cross-domain authorization mechanism proposed in this paper can be conveniently applied to existing systems, and has better performance in confidentiality, integrity, and availability.

关键词： Blockchain Cross-domain authentication Authorization mechanism

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A Light-weight Kernel-level Mandatory Access Control Framework for Android

A Light-weight Kernel-level Mandatory Access Control Framewo...

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2019 IEEE International Conference on power, Intelligent computing and Systems, ICPICS 2019

作者： Wu, Fei Luo, Fucai Chen, Kuosong Lin, Wei Lu, Ziang State Grid Fujian Electric Power Company Fuzhou Fujian China Fujian Yirong Information Technology Co. Ltd Fuzhou Fujian China State Grid Key Laboratory of Information Network Security Nanjing Jiangsu China

ISBN: (纸本)9781728137209

With the rapid development of mobile communication technology and mobile Internet technology, mobile terminals are becoming more and more irreplaceable in people's life and work. In the present power industry, Android-based smart mobile terminals are widely used to carry out various kinds of operations. Compared with traditional desktop computers, smart mobile terminals provide users with convenience and are more vulnerable to attack and control. Considering the security protection of the core layer of smart mobile terminal, this paper designs an Android lightweight kernel layer mandatory access control framework, deeply analyses and discusses the necessity of terminal kernel layer security protection, proposes a verifiable lightweight kernel layer access control model, and formalizes the model. This paper describes and uses FVT method to discuss security policy conflict detection technology. Finally, the availability and shortcomings of the model on three typical smart mobile terminals are verified by experiments. © 2019 IEEE.

关键词： Access control

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Research on Electric power Business Terminal Classification Technology based on Unsupervised Algorithms

Research on Electric Power Business Terminal Classification ...

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International Conference on Smart Grid and Electrical Automation (ICSGEA)

作者： Xianzhou Gao Ruxia Yang Peng Gao Lei Chen Zhou Fang State Grid Key Laboratory of Information & Network Security Global Energy Interconnection Research Institute Nanjing Jiangsu 21000 China State Grid Zhejiang Electirc Power co. Ltd Zhejiang China

ISBN: (数字)9781728182780

ISBN: (纸本)9781728182797

Electric power Business terminal has many characteristics, such as openness, heterogeneity and diversity. It has become an important entry point for network attacks. In order to effectively realize the security control of Electric power Business it is necessary to strengthen the classification management of terminals and effectively identify the security risks of different types of terminals. Aiming at the heterogeneous and diverse characteristics of Electric power Business terminals, this paper uses feature selection for unsupervised learning based on the influence of features on classification results and correlation analysis between features, realizes accurate classification of terminals, and provides an important basis for effective safety management and control of Electric power Business terminals.

关键词： Smart grids Hafnium compounds Germanium Conferences Automation

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Time Series Anomaly Detection Based on Graph Convolutional networks

Time Series Anomaly Detection Based on Graph Convolutional N...

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International Conference on Applied Machine Learning (ICAML)

作者： Zhiwei Hu Tao Wu Yunan Zhang Jintao Li Longsheng Jiang School of Communication and Information Engineering Chongqing University of Posts and Telecommunications Chongqing China School of Cybersecurity and Information Law Chongqing University of Posts and Telecommunications Chongqing China Guangdong Provincial Key Laboratory of Power System Network Security Electric Power Research Institute China Southern Power Grid Guangzhou China

ISBN: (纸本)9781728192833

With the popularization of my country's electric vehicles and the continuous deepening of smart grid upgrades, the electricity consumption data of domestic power grid companies has increased significantly. Due to inadequate detection and clever power theft methods of users, a large number of abnormal power data appear in the power consumption data of power companies. Aiming at the power theft problem of power grid companies and abnormal power data, this article suggests a power data outlier detection model in view of the combination of graph convolution and characteristic pool. First, use the time a train of directed horizontal view algorithm to delegate the power data as graph data; then, use the graph convolutional neural network and feature pooling layer to detect the abnormality of the transformed graph data. The validity of the advanced model is proving by standard graph data set and power used record data set of the power grid company. The method proposed in this paper provides an effective solution for the power theft problem and abnormal power data in the power grid.

关键词： Analytical models power demand Convolution Time series analysis Companies Feature extraction Data models

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security Vulnerability Assessment of power IoT based on Business security

Security Vulnerability Assessment of Power IoT based on Busi...

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作者： Jiaxuan Fei Kai Chen Qigui Yao Qian Guo Xiangqun Wang State Grid Key Laboratory of Information & Network Security Global Energy Interconnection Research Institute Co.Ltd. State Grid Hebei Information &Telecommunication Branch State Grid Hebei Electric Power Co.Ltd.

power Internet of Things is the application of IoT in smart power *** attacked,it will cause huge ***,it is necessary to conduct a security assessment to take defensive ***,the traditional vulnerability assessment methods of the power Internet of things mostly focus on the security of the system itself,without considering the impact on business economy and *** paper proposes a security vulnerability assessment method of power Internet of Things integrating business *** method first analyzes the security risks faced by the power Internet of Things,and establishes its attack tree ***,each leaf node is rated from the three safety features,which are weighted by evaluation and calculation,and the activation probability of each leaf node is *** that,considering the blind attack factor,the activation probability of all nodes in the model is ***,the vulnerability of the system and the vulnerability sensitivity of each leaf node are *** to the vulnerability sensitivity,measures are taken to protect the weak links of the *** effectiveness of the proposed method is verified by experiments on SCADA(supervisory control and data acquisition)system in the power Internet of things.

关键词： power Internet of Things vulnerability assessment attack tree model SCADA system

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Research on Mimic Defence Technology for Smart Unit Application Environment of power Grid 3

Research on Mimic Defence Technology for Smart Unit Applicat...

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2019 3rd International Conference on Electrical, Mechanical and Computer Engineering, ICEMCE 2019

作者： Xi, Zesheng Zhang, Bo Sun, Xin Guan, Xiaojuan Institute of Information and Communication Global Energy Interconnection Research Institute Nanjing Jiangsu China State Grid Key Laboratory of Information and Network Security Nanjing Jiangsu China State Grid Zhejiang Electric Power Research Institute Hangzhou Zhejiang China

Aiming at the problem that the new network attack cannot be effectively defended at present, this paper proposes a framework of application-level mimic defense technology for smart grid units to solve the active attack defense problem of smart terminal units in the source grid environment. In this paper, the application security mimic defense architecture and interactive instruction level heterogeneous redundancy technology for smart grid units are studied to achieve universal and self-immune active immunity against grid application-level attacks. Furthermore, the dynamic change and heterogeneous redundancy characteristics of application level are constructed by mimetic defense technology. The risk and vulnerability of terminal application security vulnerabilities are actively hidden to actively avoid attacks, so as to enhance the active defense capability of industrial control terminal side of power grid. © Published under licence by IOP Publishing Ltd.

关键词： Smart power grids

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Research on Indoor and Outdoor Comprehensive Positioning Technology Based on Multi-Source information Assistance

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Procedia Computer Science 2020年 166卷 361-365页

作者： Zhi Min He Lin Peng Hai Yun Han Hao Lu Zhi Feng Wang Peng Zhao Global Energy Interconnection Research Institute Co. Ltd Nanri Road 8 Nanjing 210003 China State Grid Key Laboratory of Information & Network Security Beiqijia Beijing 100000 China State Grid Shaanxi Electric Power Company Information and Communication Corporation Xi’an 710048 China

:After investigation and analysis, this study involves a multi-source information-assisted indoor and outdoor integrated positioning system and method based on point cloud identification and power equipment identification. It uses GPS and other auxiliary information to combine point cloud identification and intelligent identification of power equipment. Comprehensive positioning method and system to achieve fast decimeter-level precision positioning in indoor and outdoor environments.

关键词： Multi-source information Indoor outdoor positioning Point cloud recognition

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