L1 adaptive output feedback controller for systems of unknown dimension

Chengyu Cao, Naira Hovakimyan

Research output: Contribution to journalArticlepeer-review

Abstract

This note presents novel adaptive output feedback control methodology for systems of unknown dimension in the presence of unmodeled dynamics and time-varying uncertainties. The adaptive output feedback controller ensures uniformly bounded transient and asymptotic tracking for the system's both signals, input and output, simultaneously. The performance bounds can be systematically improved by increasing the adaptation rate. Simulations of an unstable nonminimum phase system verify the theoretical findings.

Original languageEnglish (US)
Pages (from-to)815-821
Number of pages7
JournalIEEE Transactions on Automatic Control
Volume53
Issue number3
DOIs
StatePublished - Apr 2008
Externally publishedYes

Keywords

  • Adaptive output feedback
  • Guaranteed transient performance
  • Nonminimum phase systems

ASJC Scopus subject areas

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

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