Finite time stability of fractional delay difference systems: A discrete delayed Mittag-Leffler matrix function approach

Feifei Du and Baoguo Jia

Chaos, Solitons & Fractals, 2020, vol. 141, issue C

Abstract: A discrete delayed Mittag-Leffler matrix function is developed in this paper. Based on this function, an explicit formula of the solution of fractional delay difference system (FDDS) is derived. Furthermore, a criterion on finite time stability (FTS) of FDDS with constant coefficients is obtained by use of this formula. However, it can’t be directly used to investigate the FTS of FDDS with variable coefficients. To overcome this difficulty, a comparison theorem of FDDS is established to obtain a criterion of the FTS of FDDS with variable coefficients. Finally, a numerical example is given to show the effectiveness of the proposed results.

Keywords: Finite time stability; Fractional; Discrete; Delay; Mittag-Leffler matrix function (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:141:y:2020:i:c:s0960077920308237

DOI: 10.1016/j.chaos.2020.110430

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