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

Wenmin He, Choon Ki Ahn, Zhengrong Xiang

    Research output: Contribution to journalArticlepeer-review

    28 Citations (Scopus)

    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.

    Original languageEnglish
    Article number8748206
    Pages (from-to)1549-1557
    Number of pages9
    JournalIEEE Systems Journal
    Volume14
    Issue number2
    DOIs
    Publication statusPublished - 2020 Jun

    Bibliographical note

    Publisher Copyright:
    © 2007-2012 IEEE.

    Keywords

    • Fault-tolerant control (FTC)
    • large-scale systems
    • sampled-data control
    • switched systems
    • time-delay systems

    ASJC Scopus subject areas

    • Control and Systems Engineering
    • Information Systems
    • Computer Science Applications
    • Computer Networks and Communications
    • Electrical and Electronic Engineering

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