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- Title
A dual-observer approach for global output feedback stabilization of planar nonlinear systems with output-dependent growth rates.
- Authors
Wang, Xiangyu; Qian, Chunjiang; Li, Shihua
- Abstract
In this paper, we investigate the problem of global output feedback stabilization for a class of planar nonlinear systems under a more general growth condition, which encompasses both lower-order and higher-order state growths with output-dependent rates. For more accurate estimation, two new observers with nonlinear gains are constructed to estimate the states on the lower-order and higher-order scales, respectively. The estimates produced from the dual-observer are used delicately in the output feedback control law with both lower-order and higher-order modes. The overall stability of the system is guaranteed by rigorously choosing these nonlinear gains in the control law and the dual-observer.
- Subjects
NONLINEAR systems; ROBUST control; CONTROL theory (Engineering); TIME delay systems; FEEDBACK control systems
- Publication
International Journal of Robust & Nonlinear Control, 2015, Vol 25, Issue 18, p3818
- ISSN
1049-8923
- Publication type
Article
- DOI
10.1002/rnc.3292