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Quantized control for switched systems suffered by deception attacks and unknown disturbance

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The purpose of this paper is designing a feedback controller based on quantized sampled data to stabilize a continuous‐time switched system affected by unknown disturbance and deception attacks. Suppose that… Click to show full abstract

The purpose of this paper is designing a feedback controller based on quantized sampled data to stabilize a continuous‐time switched system affected by unknown disturbance and deception attacks. Suppose that the switch is slow enough in the sense of dwell‐time and average dwell‐time, and the attacker's energy is limited by restraining the number and duration of deception attacks, we design a communication and control strategy based on mode switching and data tampering. By approximating the reachable set for the stabilizing stage and searching stage, respectively, we establish the increasing/decreasing rate of Lyapunov function under different cases. On this basis, the sufficient conditions which constrain average dwell‐time and sampling period are obtained to ensure the exponential decay and practical stability of the closed‐loop system. Furthermore, we also verify that the searching stage can be recovered within an unknown limited time under the influence of unknown disturbance and deception attacks. Two‐tank system is adopted at last to show the effectiveness of the proposed algorithm framework.

Keywords: time; control; unknown disturbance; deception; deception attacks

Journal Title: International Journal of Robust and Nonlinear Control
Year Published: 2023

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