Event-triggered sliding mode secure control for uncertain fractional-order CPSs against actuator attacks
2023 38th Youth Academic Annual Conference of Chinese Association of Automation (YAC)(2023)
摘要
Fractional calculus is the generalization of the traditional integral calculus, which can describe the physical system more accurately. In this paper, we consider a sliding mode secure control problem for a class of uncertain fractional-order cyber-physical systems (CPSs) subject to actuator attacks. A sliding mode control method with a fractional-order adaptive super-twisting algorithm is designed to adjust the unknown bounds of the lumped uncertainties, and an event-triggering mechanism is proposed to save the system energy and resources. It is shown that, with the proposed secure control method, all the signals are guaranteed to converge to a small neighborhood of the origin. An example is given to demonstrate the effectiveness of the proposed control method.
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关键词
Cyber-physical system,Actuator attacks,Fractional calculus,Sliding mode control,Super-twisting algorithm
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