Robust performance of decentralized control systems by expanding sequential designs

Hiroshi Ito, Hiromitsu Ohmori, Akira Sano

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


This paper considers designs of decentralized controllers for continuous-time linear time-invariant multivariable control systems. The purpose is to show how to attain robust stability and robust performance of decentralized control systems by sequential design procedure. Compared with independent designs in which each controller block is designed independently of others, sequential designs can reduce conservatism associated with the controller design since they can exploit information about the other loops which have been already designed. A novel method of sequential designs for the robust performance are proposed. Moreover, an approach to a kind of failure tolerance is considered. The proposed sequential design procedure is based on expanding construction of decentralized control systems, so that the proposed methods can deal with extension of subsystems.

Original languageEnglish
Pages (from-to)1297-1311
Number of pages15
JournalInternational Journal of Control
Issue number6
Publication statusPublished - 1995 Jun

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications


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