Fault detection and isolation for nonlinear systems via high-order-sliding-mode multiple-observer

Marcelino Hector Rios Zarzosa, J. Davila, L. Fridman, C. Edwards

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Summary In this paper, fault detection and isolation problems are studied for a certain class of nonlinear systems. Under some structural conditions, multiple high-order sliding-mode observers are proposed. The value of the equivalent output injection is used for detecting faults and the multiple-model approach for isolating particular faults in the system. The proposed method provides fast detection and isolation of actuator and plant faults. Simulation results support the proposed approach.

Original languageEnglish
Pages (from-to)2871-2893
Number of pages23
JournalInternational Journal of Robust and Nonlinear Control
Volume25
Issue number16
DOIs
StatePublished - 10 Nov 2015
Externally publishedYes

Keywords

  • fault detection
  • fault isolation
  • high-order sliding-mode observers

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