Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.automatica.2009.07.025
Title: Robust adaptive control of a class of nonlinear strict-feedback discrete-time systems with exact output tracking
Authors: Ge, S.S. 
Yang, C.
Dai, S.-L.
Jiao, Z.
Lee, T.H. 
Keywords: Asymptotical tracking
Discrete-time system
Nonparametric nonlinear uncertainties
Unmatched uncertainties
Issue Date: Nov-2009
Source: Ge, S.S., Yang, C., Dai, S.-L., Jiao, Z., Lee, T.H. (2009-11). Robust adaptive control of a class of nonlinear strict-feedback discrete-time systems with exact output tracking. Automatica 45 (11) : 2537-2545. ScholarBank@NUS Repository. https://doi.org/10.1016/j.automatica.2009.07.025
Abstract: In this paper, adaptive control is studied for a class of single-input-single-output (SISO) nonlinear discrete-time systems in strict-feedback form with nonparametric nonlinear uncertainties of the Lipschitz type. To eliminate the effect of the nonparametric uncertainties in an unmatched manner, a novel future states prediction is designed using states information at previous steps to compensate for the effect of uncertainties at the current step. Utilizing the predicted future states, constructive adaptive control is developed to compensate for the effects of both parametric and nonparametric uncertainties such that global stability and asymptotical output tracking is achieved. The effectiveness of the proposed control law is demonstrated in the simulation. © 2009 Elsevier Ltd. All rights reserved.
Source Title: Automatica
URI: http://scholarbank.nus.edu.sg/handle/10635/57282
ISSN: 00051098
DOI: 10.1016/j.automatica.2009.07.025
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