Journal
AUTOMATICA
Volume 115, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2020.108872
Keywords
Adaptive control; Mode-dependent average dwell time; Lower triangular systems; Switched nonlinear systems
Funding
- National Natural Science Foundation of China [61873151, 61622303, 61973147, 61873306]
- Shandong Provincial Natural Science Foundation, China [ZR2019MF009]
- Taishan Scholar Project of Shandong Province of China [tsqn201909078]
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This paper investigates the global adaptive control problem for a class of general switched uncertain nonlinear systems. By improving the well-known mode-dependent average dwell time (MDADT) method, a new adaptive control scheme is established which ensures the global boundedness of all signals in the resulting closed-loop system under a class of switching signals with MDADT property. As an application, the developed control scheme is utilized to solve the adaptive tracking control problem for a class of switched uncertain lower triangular nonlinear systems with unmodeled dynamics. Finally, simulation study is provided for verifying the validity of our results. (C) 2020 Elsevier Ltd. All rights reserved.
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