Observer-Based Fuzzy Sliding Mode Control for Networked Control Systems Under Cyber Attacks
2021
Cyber attacks and disturbance in networked control systems (NCSs) will inevitably decline the control system performance even cause the system crash. This paper investigates observer-based fuzzy sliding mode control (FSMC) for NCSs under cyber attacks and disturbance. Firstly, to improve the control performance, an observer is employed to decline the effect of cyber attacks and disturbance, and the estimation errors are proved to converge asymptotically to zero. Secondly, an observer-based FSMC controller is proposed to maintain the system stability and decline chattering, and the stability of the closed-loop system is proved. Finally, simulation results demonstrate the effectiveness of the proposed method in comparison with other approaches.
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