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Stability of fractional positive continuous-time linear systems with state matrices in integer and rational powers
Author(s) -
Tadeusz Kaczorek
Publication year - 2017
Publication title -
bulletin of the polish academy of sciences technical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.35
H-Index - 41
eISSN - 2300-1917
pISSN - 0239-7528
DOI - 10.1515/bpasts-2017-0034
Subject(s) - eigenvalues and eigenvectors , integer (computer science) , mathematics , stability theory , stability (learning theory) , state (computer science) , positive systems , linear system , pure mathematics , mathematical analysis , nonlinear system , physics , computer science , quantum mechanics , algorithm , machine learning , programming language
The stability of fractional standard and positive continuous-time linear systems with state matrices in integer and rational powers is addressed. It is shown that the fractional systems are asymptotically stable if and only if the eigenvalues of the state matrices satisfy some conditions imposed on the phases of the eigenvalues. The fractional standard systems are unstable if the state matrices have at least one positive eigenvalue.

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