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Ma, Yajing; Li, Zhanjie
Information sciences, July 2023, 2023-07-00, Letnik: 633Journal Article
This paper addresses the problem of secure event-triggered control is to guarantee the stability and security of a general class of industrial cyber-physical systems (CPSs) under limited resource budget and deception attacks. Note that the coupled data and the complicated structure of the CPS make it hard for the traditional control algorithms to fulfill the stability and security requirements. To this end, a neural network learning-based approximation algorithm is first proposed to separate the coupling influence, and then estimate the lumped uncertain nonlinearities. This is done by using the separated data as the input of the neural networks. Second, Nussbaum-type functions are presented to settle the unknown sign of the time-varying attack injection signal. Third, an event triggering mechanism is developed to reduce the communication load. Under the developed secure control laws, all the signals of the resulted closed-loop CPS are bounded. Finally, to validate the effectiveness of the proposed secure event-triggered control method, a benchmark control example for the one-link manipulator actuated by a DC motor is exploited. •Secure event-triggered control is proposed to ensure the security of industrial CPSs.•Neural network learning algorithm is used to estimate the uncertain nonlinearities.•Nussbaum-type functions are presented to handle the unknown sign of the time-varying attack injection signal.•Event triggering mechanism is developed to reduce the communication.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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