Observer-Based Sliding Mode Load Frequency Control of Power Systems under Deception Attack

Siwei Qiao, Xinghua Liu, Gaoxi Xiao, Shuzhi Sam Ge and Chih-Chiang Chen

Complexity, 2021, vol. 2021, 1-11

Abstract: This study investigates the observer-based sliding mode load frequency control for multiarea interconnected power systems under deception attack. By introducing the observer and combining it with the system state equation, the expression of the system error is obtained. A sliding mode surface is proposed to make sure the state of the systems to be stable. Then, the state equation of the system under sliding mode control is derived. The asymptotic stability of the whole system is proved by using the linear matrix inequality (LMI) technique and Lyapunov stability theory. Furthermore, a sliding mode control law is proposed to ensure that the attacked power system can reach a stable position. Numerical simulation results are presented to support the correctness of the results.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:8092206

DOI: 10.1155/2021/8092206

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