Robust control for a class of cyber-physical systems with multi-uncertainties

Jing He, Yan Liang and Feisheng Yang

International Journal of Systems Science, 2021, vol. 52, issue 3, 505-524

Abstract: In this paper, the important issue is proposed, that is, the robust control of a class of cyber-physical systems (CPSs) in the complex environment where unknown disturbances, unknown bounded delays and stochastic malicious attacks coexist. A Lyapunov–Krasovskii functional (LKF) containing certain double and triple integral terms is constructed to exploit merits of the presented generalised single and double integral inequalities which are tighter than some existing single and double inequalities, leading to the stability analysis result with less conservatism. Furthermore, by using stochastic analysis technique, the stability analysis and $H_{\infty }$H∞ output feedback controller design are transformed into the convex optimisation problems solved by the linear matrix inequality (LMI) strategy. Finally, the actual load frequency control (LFC) power system and the classical numerical examples are provided to show the rationality for modelling and the advancement of the developed method.

Date: 2021
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DOI: 10.1080/00207721.2020.1831647

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