基于信息物理系统的微电网安全控制：连锁故障与虚假数据攻击

As a key part of the Energy Internet，the modern power system has been greatly developed to the cyber physical power system which integrates the information network and power grid deeply. How to improve the flexibility and autonomy of cyber physical power system and how to guarantee safety operation have attracted particular attention. This project intends to investigate the micro-grid, changes the analysing method of the single system for the power system or for the information system. Firstly, for the discrete logic of information system and the continuous performance characteristic, hybrid micro-grid cyber physical system is modelled. Secondly, the cascading failures for coupled network which integrates the micro-grid and the information network are analysed, and the robustness of couple network is improved. Subsequently, from the attacker’s point, design a false date injection attack sequence, and analyse the fragility of the couple networks. Moreover, form the defender’ point, devise a defending strategy to detect this false data attack. Finally, the simulation and the test platforms for the micro-grid cyber physical power system is established to debug, verify and optimize the developed security control. This project has a major impact on theoretical and practical values for improving the reliability, security and practicability of the micro-grid cyber physical system.

作为能源互联网的核心系统，现代电力系统发展成了由信息网和电力网深度融合的电力信息物理系统，如何提高电力信息物理系统的灵活性和自治性，保证系统的安全运行，受到广泛关注。本项目以微电网为研究对象，突破传统电力系统或信息系统的单一系统分析方法，针对信息网上的离散行为和微电网连续运行特性，建立混杂微电网信息物理系统模型；分析微电网和信息网形成的耦合网络连锁故障传播模式，增强耦合网络的鲁棒性；从攻击者的角度，提出虚假数据注入攻击序列，分析耦合网络的脆弱环节，然后从防御者的角度，设计防御策略，实现虚假数据注入攻击检测报警；搭建微电网信息物理系统的仿真平台和试验平台，调试、验证和优化研发的安全控制策略。本项目的研究对提供微电网信息物理系统的可靠性、安全性、实用性具有良好的理论意义和工程应用价值。

项目以微电网为研究对象，首先采用两种方法建立混杂微电网信息物理系统模型，突破传统电力系统或信息系统的单一系统分析方法，反映了系统的离散性和连续性；然后分析微电网耦合网络连锁故障传播模式，进行系统脆弱性评估，提高微电网的安全性；其次从攻击者和防御者的两个角度，分别考虑攻击注入和设计防御策略，实现网络攻击检测报警；最后搭建微电网信息物理系统的仿真平台和试验平台，调试、验证和优化研发的安全控制策略。项目按照执行计划完成提出的四个研究内容和五个研究目标。在项目的资助下，共发表标注基金号的论文24篇，授权发明专利5件。本项目的研究对提供微电网信息物理系统的可靠性、安全性、实用性性具有良好的理论意义和工程应用价值。