Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 64, Issue 6, Pages 4792-4799Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2017.2668996
Keywords
Dynamic gain; Lyapunov-Krasovskii functional; nonlinear time-delay systems; output feedback
Categories
Funding
- Japan Society for the Promotion of Science [C-15K06152, 14032011-000073]
- National Natural Science Foundation of China [61673215, 61473151, 61411140039, 61473171]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT13072]
- PAPD
- 333 Project
- Natural Science Fund for Distinguished Young Scholars of Jiangsu Province [BK20150034]
- Shandong Provincial Natural Science Foundation for Distinguished Young Scholars [JQ201515]
- Taishan Scholarship Project of Shandong Province
- Grants-in-Aid for Scientific Research [15K06152] Funding Source: KAKEN
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This paper considers the problem of global adaptive stabilization for strict feedback nonlinear systems with time delay and parameter uncertainty. By designing a delay-independent reduced-order observer with two dynamic gains, we propose a universal adaptive control strategy to reduce the conservatism of the growth conditions imposed on nonlinearities. With the help of Lyapunov-Krasovskii functionals, stability analysis is subtly conducted. Finally, the proposed controller is applied to a chemical reactor system to illustrate the usefulness of our results.
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