Non-Lyapunov stability robustness consideration for discrete linear descriptor systems

V. B. Bajić*, D. Lj Debeljković, B. B. Bogićevic, M. B. Jovanovic

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Boundedness properties of dynamic response are particularly significant from the viewpoint of engineering applications. This paper examines some practically important properties of boundedness and unboundedness of regular and irregular discrete linear descriptor systems. The existence of specifically bounded solutions, as well as practical instability of these systems, are investigated. A development and simple application of Lyapunov's direct method for this analysis is presented. A potential (weak) domain of practical stability, consisting of points of the phase space which generate at least one solution with specific practical stability constraints, is underestimated. Also, it has been shown that the same theoretical results can be efficiently used in determining quantitative measures of robustness for a class of perturbed discrete linear descriptor systems.

Original languageEnglish (US)
Pages (from-to)105-115
Number of pages11
JournalIMA Journal of Mathematical Control and Information
Volume15
Issue number2
StatePublished - Jun 1998
Externally publishedYes

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Control and Optimization
  • Applied Mathematics

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