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Smooth output feedback stabilization for a class of nonlinear systems with time‐varying powers
Author(s) -
Chen ChihChiang,
Qian Chunjiang,
Lin Xiangze,
Sun ZongYao,
Liang YewWen
Publication year - 2017
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.3826
Subject(s) - control theory (sociology) , integrator , nonlinear system , observer (physics) , full state feedback , state (computer science) , controller (irrigation) , class (philosophy) , exponential stability , output feedback , power (physics) , computer science , mathematics , control (management) , bandwidth (computing) , physics , telecommunications , algorithm , quantum mechanics , artificial intelligence , agronomy , biology
Summary This paper investigates the global asymptotic stabilization problem for a class of nonlinear systems with time‐varying powers. First, adding a power integrator technique is revamped to design a smooth state feedback controller, which is implementable with only upper and lower bounds of the time‐varying powers. When the system state is not fully available and the time‐varying power is exactly known, a smooth output feedback controller constituted by a state feedback and a nonlinear state observer is constructed to globally stabilize the system. Copyright © 2017 John Wiley & Sons, Ltd.

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