Observer-based adaptive fuzzy finite-time tracking control of switched nonlinear systems

Miao Tong and Huanqing Wang

International Journal of Systems Science, 2022, vol. 53, issue 11, 2407-2420

Abstract: In this article, we investigate the finite-time output feedback control issue for switched nonlinear systems. In the design procedure, fuzzy logic systems are used for identifying the unknown functions in switched nonlinear systems. A common state observer is constructed such that the unmeasured states can be measured. Based on the framework of the backstepping algorithm, an observer-based finite-time adaptive tracking control strategy is proposed via the common Lyapunov function approach. The stability analysis process confirms in detail that all the closed-loop signals are bounded under arbitrary switchings and the tracking error can converge to a small neighbourhood of the origin after a finite period of time. In order to verify the feasibility of the proposed control scheme, a numerical simulation example is shown in this paper.

Date: 2022
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DOI: 10.1080/00207721.2022.2053231

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