Parametrical non-complex tests to evaluate partial decentralized linear-output feedback control stabilization conditions from their centralized stabilization counterparts

Manuel De la Sen, Asier Ibeas

Research output: Contribution to journalArticleResearch

6 Citations (Scopus)

Abstract

© 2019 by the authors. This paper formulates sufficiency-type linear-output feedback decentralized closed-loop stabilization conditions if the continuous-time linear dynamic system can be stabilized under linear output-feedback centralized stabilization. The provided tests are simple to evaluate, while they are based on the quantification of the sufficiently smallness of the parametrical error norms between the control, output, interconnection and open-loop system dynamics matrices and the corresponding control gains in the decentralized case related to the centralized counterpart. The tolerance amounts of the various parametrical matrix errors are described by the maximum allowed tolerance upper-bound of a small positive real parameter that upper-bounds the various parametrical error norms. Such a tolerance is quantified by considering the first or second powers of such a small parameter. The results are seen to be directly extendable to quantify the allowed parametrical errors that guarantee the closed-loop linear output-feedback stabilization of a current system related to its nominal counterpart. Furthermore, several simulated examples are also discussed.
Original languageEnglish
Article number1739
Pages (from-to)1-22
JournalApplied Sciences (Switzerland)
Volume9
DOIs
Publication statusPublished - 1 May 2019

Keywords

  • Centralized control
  • Closed-loop stabilization
  • Decentralized control
  • Output-feedback

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