Robust simple adaptive control for delayed measurements systems

R. Ben Yamin, I. Yaesh, U. Shaked

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


In this paper an output-feedback problem is solved for a class of linear time delayed measurements systems with polytopic-type parameter uncertainties. The objective is to make the system output follow the output of a system model. The time-delay is either constant (known) or time-varying. In both cases, the problem is tackled by applying a combination of a simple direct adaptive control scheme, a Smith-predictor, and a low-pass filter. Sufficient conditions for closed-loop stability of the proposed control scheme are given, in terms of bilinear matrix inequalities. Two numerical examples are given, which demonstrate the applicability of the proposed methods and the simplicity of their implementation.

Original languageEnglish
Title of host publication9th IFAC Workshop on Time Delay Systems, TDS 2010 - Proceedings
Number of pages6
EditionPART 1
StatePublished - 2010
Event9th IFAC Workshop on Time Delay Systems, TDS 2010 - Prague, Czech Republic
Duration: 7 Jun 20109 Jun 2010

Publication series

NameIFAC Proceedings Volumes (IFAC-PapersOnline)
NumberPART 1
ISSN (Print)1474-6670


Conference9th IFAC Workshop on Time Delay Systems, TDS 2010
Country/TerritoryCzech Republic


  • Adaptive direct control
  • Dead time systems
  • Simple adaptive control
  • Smith-predictor
  • Time-varying delay


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