Switching Defence For Switched Systems Under Malicious Attacks: A Stackelberg Game Approach
NONLINEAR ANALYSIS-HYBRID SYSTEMS(2021)
Abstract
The security issue of switched systems is researched from a noncooperative dynamic game-theoretic perspective in this paper. A Stackelberg game is developed for the switched autonomous system suffering malicious attacks, and the Stackelberg equilibrium switching and attack strategies are constructed respectively. Afterwards, the proposed game-theoretic approach is extended to switched control systems. A Stackelberg Nash game is consequently established to characterize the hierarchical decision making processes, where the controller and the attacker are the followers who simultaneously make their own decisions, and a sufficient condition is provided for the construction of the Stackelberg Nash equilibrium. Finally, a continuous stirred tank reactor is exploited to validate the effectiveness and applicability of the proposed results. (C) 2021 Elsevier Ltd. All rights reserved.
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Key words
Switched systems, Game theory, Cyber-physical system security
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