Computation of robust stability bounds for networked systems with varying delays

Leonidas Dritsas, Anthony Tzes

Research output: Contribution to journalArticlepeer-review


This paper is concerned with the computation of robust stability bounds for networked controlled systems with uncertain, varying, bounded transmission delays. Given the feedback controller, the maximum allowable transmission delay is computed based on a linear matrix inequality (LMI)-constrained non-linear optimisation problem. Since certain variations of the posed problem, demand a nominally stable closed-loop system, a controller-synthesis procedure is also presented. The computation of the stabilising controller is based on a delay-dependent LMI-feasibility problem. The derived robust stability bounds are compared in simulation studies.

Original languageEnglish (US)
Pages (from-to)20-36
Number of pages17
JournalInternational Journal of Systems, Control and Communications
Issue number1-2
StatePublished - Mar 2012


  • Maximum allowable delay
  • Networked control systems
  • Robust stabilisation
  • Robust stability analysis

ASJC Scopus subject areas

  • Control and Systems Engineering


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