A generic approach to the design of decentralized linear output- feedback controllers

Yazdan Bavafa-Toosi, Hiromitsu Ohmori, Batool Labibi

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


A sufficient condition for failure-tolerant performance stabilization in a desirable performance region under decentralized linear output-feedback is established. To exploit the flexibility in decentralized control beyond multivariable pole assignment, and to address the subsystem design objectives along with those of the overall system, a generic problem on decentralized linear output-feedback is then defined. The problem is reformulated in terms of a constrained nonlinear optimization problem. The proposed methodology results in the optimal reconciliation of failure-tolerant robust performance of the overall system, and (maximal) robustness, disturbance rejection, noninteractive performance, reliability and low actuator gains in the isolated subsystems in the face of unstructured perturbations in the controller and plant parameters. The effectiveness of the proposed approach is demonstrated by a numerical example.

Original languageEnglish
Pages (from-to)282-292
Number of pages11
JournalSystems and Control Letters
Issue number4
Publication statusPublished - 2006 Apr


  • Decentralized linear output-feedback
  • Disturbance rejection
  • Failure tolerance
  • Minimal sensitivity
  • Noninteractive performance
  • Optimization techniques
  • Performance robustness

ASJC Scopus subject areas

  • Control and Systems Engineering
  • General Computer Science
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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