Abstract
This paper focuses on the trajectory tracking problem of nth-order uncertain nonlinear systems with sensor faults. The proposed approach utilizes a fuzzy observer to estimate the unmeasurable states in the systems. Moreover, the finite-time control strategy and the command filtered technique are added in the controller design. The former aims to enhance the systems’ response speed, and the latter is to mitigate the “differential explosion” problem. Meanwhile, the adaptive technique is incorporated to compensate for sensor faults. The boundedness of all the signals within the closed-loop systems is confirmed through stability analysis. Finally, the effectiveness of the proposed approach is verified through two simulation examples.
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Funding was provided by the National Natural Science Foundation of China (Grant no. 62173029).
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Sun, Y., Chen, M., Peng, KX. et al. Fuzzy Observer-Based Finite-Time Command Filtered Tracking Control for Uncertain Strict-Feedback Nonlinear Systems with Sensor Faults. Int. J. Fuzzy Syst. 26, 659–673 (2024). https://doi.org/10.1007/s40815-023-01625-8
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DOI: https://doi.org/10.1007/s40815-023-01625-8