Journal
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
Volume 18, Issue 6, Pages 3863-3872Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TII.2021.3116165
Keywords
Smart grids; Power system stability; Frequency control; Protocols; Informatics; Switches; Communication networks; Denial-of-service (DoS) attacks; event-triggered control; load frequency control (LFC); multiarea power system; smart grid security
Categories
Funding
- National Natural Science Foundation of China [61833011, 62173218]
- International Corporation Project of Shanghai Science and Technology Commission [21190780300, TII-21-1723]
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This article investigates the load frequency control problem for smart grids with denial-of-service attacks and proposes a novel event-triggered control method. The proposed method utilizes a handshake logic-based event-triggered communication scheme to detect DoS attacks and ensures the stability of the system through Lyapunov stability theory.
This article investigates the load frequency control (LFC) problem for smart grids with denial-of-service (DoS) attacks via a novel event-triggered control method. In order to sustain the stable operation of the smart grids, a handshake logic-based event-triggered communication scheme is proposed. The targets of the designed controller are twofold. First, an event-triggered mechanism with a handshake logic-based concept is proposed to save network resources. In this triggering method, a handshake protocol is used to detect DoS attacks in the communication networks. Second, by employing Lyapunov stability theory, sufficient stabilization criteria ensuring the uncertain LFC systems being asymptotically stable are deduced. Based on these conditions, the corresponding state-feedback controller design method is given. Finally, a simulation of a two-area power system with electric vehicles is given as an example to substantiate the proposed method of this article.
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