期刊
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
卷 25, 期 14, 页码 2241-2253出版社
WILEY
DOI: 10.1002/rnc.3192
关键词
adaptive control; feedforward systems; dynamic gain observer; output feedback; uncertain nonlinear systems
资金
- National Natural Science Foundation of China [10971120, 61273088]
- Shandong Province Natural Science Foundation [ZR2010FM010]
In this paper, the problem of global state regulation by output feedback is investigated for a class of uncertain nonlinear systems satisfying some relaxed upper-triangular-type condition. Using a linear dynamic gain observer with two dynamic gains and introducing two appropriate change of coordinates, we give a constructive design procedure for the linear-like output feedback stabilizing controller. It is proved that the proposed controller globally regulates all the states of the uncertain system and maintains global boundedness of the closed-loop system. An example is provided to demonstrate the effectiveness of the proposed design scheme. Copyright (c) 2014 John Wiley & Sons, Ltd.
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