计算机科学
控制理论(社会学)
网络数据包
服务拒绝攻击
电力系统
带宽(计算)
加权
功率(物理)
自动频率控制
事件(粒子物理)
控制(管理)
电信
人工智能
医学
计算机网络
物理
互联网
量子力学
万维网
放射科
作者
Jiankai Yang,Qishui Zhong,Kaibo Shi,Shouming Zhong
出处
期刊:IEEE transactions on cybernetics
[Institute of Electrical and Electronics Engineers]
日期:2023-06-01
卷期号:53 (6): 3913-3925
被引量:14
标识
DOI:10.1109/tcyb.2022.3170560
摘要
In this work, a novel dynamic-memory event-triggered H∞ load frequency control (LFC) approach for the power system is proposed considering the existence of hybrid attacks. A dynamic-memory event-triggered mechanism (DMETM) is first presented under denial-of-service (DoS) attacks to reduce the occupation of network communication bandwidth. Different from the existing event-triggered mechanisms (ETMs), the superiority of DMETM is that not only the past transmitted packets can be utilized but also the amount of utilized packets can be adjusted according to the state error of the power system. Then, the general LFC model of the power system is reconstructed as a switched system on account of the existence of DoS attacks and deception attacks. Based on the reconstructed switched model, an exponentially mean-square stability criterion with an H∞ performance index is derived by constructing appropriate Lyapunov-Krasovskii functionals (LKFs). Furthermore, the DMETM controllers and event-triggered weighting matrices can be obtained by solving the relevant linear matrix inequalities (LMIs). Finally, some illustrated examples are presented to demonstrate the feasibility and effectiveness of the approach proposed.
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