Failure-tolerant performance stabilization of the generic large-scale system by decentralized linear output feedback

Yazdan Bavafa-Toosi, Hiromitsu Ohmori, Batool Labibi

Research output: Contribution to journalArticle

6 Citations (Scopus)


Most of the existing results on the decentralized stabilization of large-scale systems consider systems in the input-output-decentralized form, i.e., systems whose input and output matrices are block diagonal. The controller synthesis for such systems is less involved than that for input-output- centralized ones. In this paper, a transformation is proposed for the input-output decentralization of the generic large-scale system. Using the transformed system, a sufficient condition for failure-tolerant performance stabilization of the original large-scale system in a desirable performance region under decentralized linear output feedback is established. The problem is then reformulated as a constrained nonlinear optimization problem. The proposed methodology results in the optimal reconciliation of failure-tolerant performance stabilization of the overall system, and reliability and low actuator gains of the isolated subsystems. The effectiveness of the proposed approach is demonstrated by an example.

Original languageEnglish
Pages (from-to)501-513
Number of pages13
JournalISA Transactions
Issue number4
Publication statusPublished - 2005 Oct



  • Decentralized linear output feedback
  • Failure tolerance
  • Input-output decentralization
  • Performance stabilization

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Instrumentation
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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