期刊
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
卷 29, 期 7, 页码 2082-2095出版社
WILEY
DOI: 10.1002/rnc.4475
关键词
homogeneous growth condition; nonlinear systems; output feedback
资金
- National Natural Science Foundation of China [61873061, 61473082]
- Qing Lan Project
This paper investigates the problem of global control for a class of nonlinear systems via output feedback. The system nonlinearities satisfy the homogenous growth condition with unknown growth rate. First, a homogenous observer is constructed for estimating the system state. Then, two novel dynamic gains are presented to deal with the unknown growth rate. Subsequently, by adding a power integrator technique, a dynamic output feedback controller is designed to guarantee that all the signals of the closed-loop system are bounded and the system states globally converge to origin. Finally, an example is provided to illustrate the validity of the proposed control scheme.
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