Robust output feedback stabilization of nonlinear systems with low‐order and high‐order nonlinearities | Zendy

Li Guangqi | Zendy; Lin Yan | Zendy

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Robust output feedback stabilization of nonlinear systems with low‐order and high‐order nonlinearities

Author(s) -

Li Guangqi,

Lin Yan

Publication year - 2016

Publication title -

international journal of robust and nonlinear control

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.361

H-Index - 106

eISSN - 1099-1239

pISSN - 1049-8923

DOI - 10.1002/rnc.3389

Subject(s) - control theory (sociology) , nonlinear system , bounded function , observer (physics) , mathematics , controller (irrigation) , class (philosophy) , output feedback , order (exchange) , polynomial , nonlinear control , computer science , control (management) , mathematical analysis , physics , finance , quantum mechanics , artificial intelligence , economics , agronomy , biology

Summary In this paper, we consider the problem of global output feedback stabilization for a class of nonlinear systems whose nonlinearities are assumed to be bounded by both low‐order and high‐order nonlinearities multiplied by a polynomial‐type output‐dependent growth rate. Instead of the previously proposed dual observer, based on the homogeneous domination approach, a new reduced‐order observer is constructed, which greatly simplifies the closed‐loop controller and is able to cover a more general class of nonlinear systems. Copyright © 2015 John Wiley & Sons, Ltd.

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