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Security correction control of stochastic cyber-physical systems subject to false data injection attacks with
Lewei Dong1, Huiling Xu1, Xinjiang Wei2
1School of Science, Nanjing University of Science and Technology, Nanjing, China.
Abstract:
In this paper, the interconnected observer intervention-based security correction control idea is proposed for stochastic cyber-physical systems (CPSs) subjected to false data injection attacks (FDIAs). The FDIAs are injected into the controller-to-actuator channel by the adversary via wireless transmission. In particular, the FDIAs with heterogeneous effects are constructed, which consist of periodic attacks with unknown parameters and bias injection attacks with asymptotic convergence property. A novel interconnected adaptive observer structure is designed to online estimate the heterogeneous attack effects. The security correction control scheme with resilience is presented by integrating interconnected adaptive observer and robust technology. It is demonstrated that the impaired state signals can be corrected and desired security performance can be guaranteed for stochastic CPSs under FDIAs with heterogeneous effects. Finally, two simulation verifications, including a F-16 longitudinal dynamics system controlled by network, are established to verify the validity and feasibility for the presented strategy.
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