Finite-time output feedback stabilization of lower-triangular nonlinear systems | Zendy

Zhi-Liang Zhao | Zendy; ZhongPing Jiang | Zendy

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Finite-time output feedback stabilization of lower-triangular nonlinear systems

Author(s) -

Zhi-Liang Zhao,

ZhongPing Jiang

Publication year - 2018

Publication title -

automatica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.132

H-Index - 277

eISSN - 1873-2836

pISSN - 0005-1098

DOI - 10.1016/j.automatica.2018.07.003

Subject(s) - control theory (sociology) , observer (physics) , nonlinear system , constructive , output feedback , controller (irrigation) , stability (learning theory) , nonlinear control , triangular matrix , mathematics , separation principle , computer science , control (management) , state observer , process (computing) , physics , machine learning , pure mathematics , agronomy , invertible matrix , quantum mechanics , artificial intelligence , biology , operating system

The finite-time stabilization of a general class of lower-triangular nonlinear systems using output feedback is addressed in this paper. The system nonlinearities are only required to be Holder continuous with output-dependent Holder coefficients. A new constructive output-feedback, finite-time controller design is proposed based on a finite-time observer. Rigorous finite-time stability analysis is given for the closed-loop observer–controller system. A practical example of controlling a robotic model is adopted to illustrate the proposed method.

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