Journal
APPLIED MATHEMATICAL MODELLING
Volume 89, Issue -, Pages 572-591Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2020.08.016
Keywords
Nonlinear control; Discrete-time design; Cascade systems; Upper triangular systems; Cross term constructed Lyapunov function
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This study investigates the semi-global practical asymptotic stability of a class of nonlinear cascade systems with upper triangular configuration. A semi-global practical asymptotic stabilizing controller has been designed based on general results presented on stabilization of the discrete-time systems. The proposed scheme has been applied to some examples and compared with other counterpart results in this context.
In this study, semi-global practical asymptotic stability of a class of nonlinear cascade systems with upper triangular configuration has been investigated. In particular, using general results presented on stabilization of the discrete-time systems, a semi-global practical asymptotic stabilizing controller has been designed and the essential conditions for the semi-global asymptotic stability of this class of nonlinear cascade systems have been presented. The controller-design framework is based on the approximate discrete-time model of the system and the corresponding cross term constructed Lyapunov function. To illustrate the effectiveness of the proposed scheme, it has been applied to some examples and also been compared with other counterpart results in this context. (C) 2020 Elsevier Inc. All rights reserved.
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