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Title: Adaptive stabilization of uncertain nonholonomic systems by state and output feedback
Authors: Ge, S.S. 
Wang, Z. 
Lee, T.H. 
Keywords: Adaptive
Nonholonomic system
Output feedback
State feedback
Issue Date: Aug-2003
Citation: Ge, S.S., Wang, Z., Lee, T.H. (2003-08). Adaptive stabilization of uncertain nonholonomic systems by state and output feedback. Automatica 39 (8) : 1451-1460. ScholarBank@NUS Repository.
Abstract: In this paper, adaptive state feedback and output feedback control strategies are presented for a class of nonholonomic systems in chained form with drift nonlinearity and parametric uncertainties. Both control laws are developed using state scaling and backstepping techniques. In particular, novel adaptive switching is proposed to overcome the uncontrollablity problem associated with x0(t0) = 0. Observer-based output feedback design is developed when only partial system states are measurable, and a filtered observer rather than the traditional linear observer is used to handle the technical problem due to the presence of unavailable states in the regressor matrix. The proposed control strategies can steer the system globally converge to the origin, while the estimated parameters maintain bounded. © 2003 Elsevier Ltd. All rights reserved.
Source Title: Automatica
ISSN: 00051098
DOI: 10.1016/S0005-1098(03)00119-5
Appears in Collections:Staff Publications

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