Root-locus approach to the stability analysis of interval matrices

Yau Tarng Juang, Te Son Kuo, Chen Fa Hsu, Sheng De Wang

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


A new approach, called the root-locus approach, is developed for the stability analysis of perturbed matrices. The basic idea of this approach is to ensure that the root loci of a continuously perturbed matrix remain in the open-left-half complex s-plane. Based on this approach, new techniques are presented to analyse the stability of interval matrices. Examples are given to demonstrate the merit of the proposed theorems.

Original languageEnglish
Pages (from-to)817-822
Number of pages6
JournalInternational Journal of Control
Issue number3
StatePublished - Sep 1987


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