网络攻击下基于Round-Robin协议的数字化电力网络的递推状态估计

doi:10.3969/j.issn.2097-0706.2022.12.001

综合智慧能源 ›› 2022, Vol. 44 ›› Issue (12): 1-10.doi: 10.3969/j.issn.2097-0706.2022.12.001

• 电力数字化 • 下一篇

网络攻击下基于Round-Robin协议的数字化电力网络的递推状态估计

李新(), 程凯杰(), 朱良宽()

东北林业大学机电工程学院，哈尔滨 150040

收稿日期:2022-06-01 修回日期:2022-08-20 出版日期:2022-12-25 发布日期:2023-02-01
作者简介:李新（1992），女，副教授，博士，从事网络化控制系统分析、智能电网与网络安全、能源调度等方面的研究，Lixin905905@163.com；
程凯杰（1998），男，在读硕士研究生，从事控制系统状态估计、稳定性分析等方面的研究，nefu_ckj@163.com；
朱良宽（1978），男，教授，博士，从事深度学习、机器学习、鲁棒控制、智能控制理论与应用等方面的研究，zhulk@126.com。
基金资助:
国家自然科学基金项目(31370710)

Recursive state estimation for digitalized power grids subject to cyber attacks under Round-Robin protocol

LI Xin(), CHENG Kaijie(), ZHU Liangkuan()

College of Mechanical and Electrical Engineering，Northeast Forestry University，Harbin 150040，China

Received:2022-06-01 Revised:2022-08-20 Online:2022-12-25 Published:2023-02-01

摘要/Abstract

摘要：

研究了一类在Round-Robin（RR）协议下遭受网络攻击的数字化电力网络的递推状态估计问题。数字化电力网络中状态估计器和传感器之间的数据传输过程存在被攻击者监听的风险。设计了一种可应用于数字化电力网络的递推状态估计器，能够在保证误差协方差上界的同时，减少网络攻击对状态估计精度的影响；构建了一个含有拒绝服务（DoS）攻击和欺骗攻击的网络攻击模型，并采用RR协议来处理网络堵塞问题；利用代数黎卡提方程方法和随机分析方法，推导误差协方差的上界；最后，通过数值仿真验证了所提出的递推状态估计器设计方案的有效性。

关键词: 递推状态估计, 数字化电力网络, 非线性系统, 网络攻击, Round-Robin协议

Abstract:

The problems in the recursive state estimation for digitalized power grids subjected to cyber attacks under Round-Robin（RR） protocol are investigated. Data transmitted between the state estimators and the sensors of a digitalized power grid are vulnerable to the interception of adversaries. As a result，a recursive state estimator for the digitized power grid is proposed which can guarantee the upper bound of error covariance while reducing the impact of cyber assaults on the accuracy of state estimation. A cyber-attack model that comprises denial of service（DoS）and deception attacks is constructed. Moreover，the RR protocol is employed to handle network congestion problems，and the algebraic Riccati equations and stochastic analysis are employed to deduce the upper bound of error covariance. Finally，a simulation example is given to show that the proposed design of recursive state estimators is valid.

Key words: recursive state estimation, digitalized power grid, nonlinear system, cyber attack, Round-Robin protocol

中图分类号:

TK01：TM71

李新, 程凯杰, 朱良宽. 网络攻击下基于Round-Robin协议的数字化电力网络的递推状态估计[J]. 综合智慧能源, 2022, 44(12): 1-10.

LI Xin, CHENG Kaijie, ZHU Liangkuan. Recursive state estimation for digitalized power grids subject to cyber attacks under Round-Robin protocol[J]. Integrated Intelligent Energy, 2022, 44(12): 1-10.

图/表 5

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网络攻击下基于Round-Robin协议的数字化电力网络的递推状态估计

Recursive state estimation for digitalized power grids subject to cyber attacks under Round-Robin protocol

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