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Global Fault-Tolerant Sampled-Data Control for Large-Scale Switched Time-Delay Nonlinear Systems

Authors
He, WenminAhn, Choon KiXiang, Zhengrong
Issue Date
6월-2020
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Actuators; Switches; Switched systems; Nonlinear systems; Delays; Observers; Fault-tolerant control (FTC); large-scale systems; sampled-data control; switched systems; time-delay systems
Citation
IEEE SYSTEMS JOURNAL, v.14, no.2, pp.1549 - 1557
Indexed
SCIE
SCOPUS
Journal Title
IEEE SYSTEMS JOURNAL
Volume
14
Number
2
Start Page
1549
End Page
1557
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/55615
DOI
10.1109/JSYST.2019.2919767
ISSN
1932-8184
Abstract
In this paper, the global sampled-data control problem has been considered for large-scale switched time-delay nonlinear systems subject to actuator failures. A reduced-order observer is developed to estimate unmeasured states, and a decentralized sampled-data controller is designed with an allowable sampling period. It can be shown that all states of the corresponding closed-loop system are globally uniformly ultimately bounded under arbitrary switchings through the choice of the suitable Lyapunov- Krasoviskii functional. Finally, the validity of the proposed control scheme is verified using an example.
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