Journal
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
Volume 68, Issue 2, Pages 842-855Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSI.2020.3036412
Keywords
Singular fractional-order system; the time domain solution; regularity; non-impulsiveness; stability; admissibility
Categories
Funding
- National Natural Science Foundation of China [62073217, 61374030, 61533012, 52041502]
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This paper investigates the regularity, nonimpulsiveness, stability and admissibility of singular fractional-order systems with a fractional-order alpha in the range of (0, 1). Necessary and sufficient conditions for regularity, non-impulsiveness, stability, and admissibility are proposed based on the analysis of time domain solutions. Novel conditions for admissibility are derived, including non-strict linear matrix inequality form and linear matrix inequality form with equality constraints.
This paper investigates the regularity, nonimpulsiveness, stability and admissibility of the singular fractional-order systems with the fractional-order alpha is an element of (0, 1). Firstly, the structure, existence and uniqueness of the time domain solutions of singular fractional- order systems are analyzed based on the Kronecker equivalent standard form. The necessary and sufficient condition for the regularity of singular fractional-order systems is proposed on the basis of the above analysis. Secondly, the necessary and sufficient conditions of non-impulsiveness as well as stability are obtained based on the proposed time domain solutions of singular fractional-order systems, respectively. Thirdly, two novel sufficient and necessary conditions for the admissibility of singular fractional-order systems are derived including the non-strict linear matrix inequality form and the linear matrix inequality form with equality constraints. Finally, two numerical examples are given to show the effectiveness of the proposed results.
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