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

19 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

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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