Design of Stable Controllers Attaining Low [formula omitted] Weighted Sensitivity

Hiroshi Ito, Hiromitsu Ohmori, Akira Sano

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

This note is focused on strong stabilization and sensitivity reduction for a linear time-invariant SISO system. Stable controllers are practically desirable in the presence of possible actuator or sensor failures. It is verified precisely that the optimal controller of weighted sensitivity minimization is almost always unstable when the plant has two or more zeros in the right-half plane. An algorithm for attaining low sensitivity property by stable controllers is presented, based on the Nevanlinna-Pick interpolation.

Original languageEnglish
Pages (from-to)485-488
Number of pages4
JournalIEEE Transactions on Automatic Control
Volume38
Issue number3
DOIs
Publication statusPublished - 1993 Mar

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering

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