Journal
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
Volume 69, Issue 5, Pages 4689-4699Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TVT.2020.2983565
Keywords
Load frequency control; denial-of-service attacks; event-triggering communication; adaptive resilient event-triggering communication
Categories
Funding
- National Natural Science Foundation of China [61972288, 61972454, 61872153, 61825203, U1736203, 61732021]
- National Key RD Plan of China [2017YFB0802203]
- Guangdong Provincial Special Funds for Applied Technology Research and Development and Transformation of Important Scientific and Technological Achieve [2016B010124009]
- Natural Science Foundation of Guangdong Province [2018A030313318]
- Guangzhou Key Laboratory of Data Security and Privacy Preserving
- Guangdong Key Laboratory of Data Security and Privacy Preserving
- National Joint Engineering Research Center of Network Security Detection and Protection Technology
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Load frequency control (LFC) is widely employed to keep smart grids stable and secure. This paper proposes an adaptive resilient LFC scheme for sub-systems of smart grids under denial-of-service (DoS) attacks with energy constraint. Firstly, a resilient triggering communication scheme is introduced, where the triggering condition includes the uncertainty item induced by DoS attacks. Secondly, an adaptive resilient event-triggering LFC scheme is proposed to further reduce the communication burden and defeat the DoS attacks, where the event-triggering parameter can be dynamically adjusted. Third, a stability criterion is derived for Proportional Integral-based LFC systems by employing Lyapunov theory. Finally, to validate the proposed control scheme, case studies are carried out based on three different LFC power generation systems including one-area, two-area and three-area models. The simulation results clearly demonstrate that the proposed adaptive resilient LFC scheme can reduce the communication burden while defeating DoS attacks by comparing with resilient event-triggering LFC scheme and event-triggering LFC scheme in term of defense effect and average triggering period.
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