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SCIENTIA SINICA Informationis, Volume 48, Issue 10: 1348-1363(2018) https://doi.org/10.1360/N112018-00074

Event-based $H_\infty$ filter design for load-frequency control systems under cyber-attacks

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  • ReceivedJun 1, 2018
  • AcceptedJun 20, 2018
  • PublishedOct 9, 2018

Abstract

This work investigated the design of an event-based $H_\infty$ filter for a class of load-frequency control systems under cyber-attacks. An event-triggered communication scheme was introduced to save the resources of limited network bandwidth by reducing the measurement output transmitted from the load-frequency control system. This model was established for the power systems by considering the stochastic cyber-attacks that exist during the transmission process. Sufficient conditions that guaranteed the stability of the load-frequency control system were obtained with Lyapunov stability theory on the basis of the established model. The design approach of $H_\infty$ filter was established by utilizing the linear matrix inequality technique. Finally, an application of the proposed approach was demonstrated.


Funded by

国家自然科学基金(61403185)

江苏省自然科学基金(BK20171481)

江苏省属高校自然科学研究重大项目(15KJA120001)

江苏高校优势学科建设工程资助项目(PAPD)


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