Global finite-time stabilisation for a class of nonlinear systems in the p-normal form via output feedback

Xuhuan Wang and Zhengrong Xiang

International Journal of Systems Science, 2020, vol. 51, issue 9, 1604-1621

Abstract: In this paper, a finite-time output feedback control scheme is presented for a class of nonlinear systems in the p-normal form. The nonlinear functions in the systems are assumed to be bounded by both low-order and high-order nonlinearities multiplied by a polynomial-type output-dependent growth rate, which are able to cover a more general ones. A reduced-order observer is constructed to estimate unmeasurable states, and a finite-time output feedback controller is proposed for the considered system by constructing a new Lyapunov function and using the adding a power integration technique. Two simulation examples are given to verify the effectiveness of the proposed scheme.

Date: 2020
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DOI: 10.1080/00207721.2020.1772398

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