An H8 Load Frequency Control Scheme for Multi-Area Power System Under Cyber-Attacks and Time-Varying Delays

被引：58

作者：

Zhang, Guangdou ^{[1
]}

Li, Jian ^{[1
]}

Bamisile, Olusola ^{[2
]}

Xing, Yankai ^{[1
]}

Cai, Dongsheng ^{[2
]}

Huang, Qi ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Mech & Elect Engn, Power Syst Wide Area Measurement & Control Sichuan, Chengdu 610056, Sichuan, Peoples R China

[2] Chengdu Univ Technol, Coll Nucl Technol & Automat Engn, Chengdu 611400, Sichuan, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2023年 / 38卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Cyber-attack; H(8 )control; load frequency control (LFC); multi-area power system; multiple time-varying delay; REDISTRIBUTION ATTACKS; IMPACT;

D O I：

10.1109/TPWRS.2022.3171101

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In the power system, the application of the signals transmitted from the sensors to the controller can significantly improve the dynamic performance. However, cyber-attacks and time delays exist widely in the communication network, which has a considerable effect on stability, operation, and control. In this paper, an H8 load frequency control (LFC) scheme for multi-area power systems under cyber-attacks and time-varying delays is investigated. First, false data injection attacks (FDIA), as well as denial of service (DoS) attacks, are viewed as two typical cyberattacks and introduced into the multi-area power system. Then, the state-space equations of the LFC power system under these two attacks and time-varying delays are analyzed and modeled. Furthermore, by using Lyapunov stability theory and linear matrix inequality (LMI) method, an H-8 LFC scheme for attacked and delayed power systems is developed. The purpose of the proposed controller is to guarantee the closed-loop system exponentially mean-square stable with prescribed H8 performance. Finally, a three-area LFC system is employed to demonstrate the effectiveness of the proposed mechanism. The simulation results verified that the control performance of an attacked and delayed system can be improved significantly via the designed controller.

引用

页码：1336 / 1349

页数：14

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