Protocol-Based Load Frequency Control for Power Systems With Nonhomogeneous Sojourn Probabilities

This article is concentrated on the load frequency control for interconnected multiarea power systems (IMAPSs) with nonhomogeneous sojourn probabilities (NSPs) and cyber-attacks. A generalized framework of NSPs is formulated to describe the dynamic behavior of IMAPSs. To govern variations of sojourn...

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Bibliographic Details
Published in:IEEE transactions on systems, man, and cybernetics. Systems man, and cybernetics. Systems, 2023-09, Vol.53 (9), p.1-9
Main Authors: Cheng, Jun, Xu, Jiangming, Park, Ju H., Basin, Michael V.
Format: Article
Language:English
Subjects:
Control systems
Cyber-attacks
Cyberattack
Cybersecurity
Denial of service attacks
Dwell time
event-triggered protocol (ETP)
Frequency control
load frequency control (LFC)
nonhomogeneous sojourn probabilities (NSPs)
Power system dynamics
Power system stability
Protocols
Quantization (signal)
Switches
System effectiveness
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Summary:This article is concentrated on the load frequency control for interconnected multiarea power systems (IMAPSs) with nonhomogeneous sojourn probabilities (NSPs) and cyber-attacks. A generalized framework of NSPs is formulated to describe the dynamic behavior of IMAPSs. To govern variations of sojourn probabilities, a deterministic switching signal is introduced using the average dwell-time technique. Essentially, different from the existing protocols, an improved event-triggered protocol that is relevant to the dynamic quantizer parameter is presented, thereby increasing triggering intervals. Furthermore, both denial-of-service and deception attacks, which obey Bernoulli distributions, are considered during information transmission. By virtue of the Lyapunov theory, the mean-square exponential stability of the considered systems is established. Finally, the effectiveness of the obtained results is verified via a numerical example.
ISSN:2168-2216
2168-2232
DOI:10.1109/TSMC.2023.3274141