Resilient sliding mode control for a class of cyber-physical systems with multiple transmission channels under denial-of-service attacks
Journal of the Franklin Institute(2022)
Abstract
This paper investigates the resilient sliding mode control problem for cyber-physical systems (CPSs) with multiple transmission channels under denial-of-service (DoS) attacks. A set of finite-time observers is designed, and a switched integral-type sliding surface is introduced. Thus, the impact of unreliable state estimating channels is reduced, and the disturbance rejection performance is also improved. The number of linear matrix inequalities (LMIs) decreases compared with some existing results in designing the observer-based controller, and the input-to-state stability (ISS) is guaranteed. Moreover, the input saturation and event-triggering scheme are considered in the controller and handled by an auxiliary system. The network congestion in the control channel is thus relieved, and the Zeno behavior is excluded simultaneously. Finally, an example of an unmanned stratospheric airship is given to demonstrate effectiveness of the proposed resilient control approach. (c) 2022 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
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Key words
mode control,multiple transmission channels,cyber-physical,denial-of-service
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