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Finite-Time Stability In Mean For Nabla Uncertain Fractional Order Linear Difference Systems

Author

Listed:
  • QINYUN LU

    (School of Science, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, P. R. China)

  • YUANGUO ZHU

    (School of Science, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, P. R. China)

  • BO LI

    (��School of Applied Mathematics, Nanjing University of Finance and Economics, Nanjing 210023, Jiangsu, P. R. China)

Abstract

In this paper, the finite-time stability in mean for the uncertain fractional order linear time-invariant discrete systems is investigated. First, the uncertain fractional order difference equations with the nabla operators are introduced. Then, some conditions of finite-time stability in mean for the systems driven by the nabla uncertain fractional order difference equations with the fractional order 0 < ν < 1 are obtained by the property of Riemann–Liouville-type nabla difference and the generalized Gronwall inequality. Furthermore, based on these conditions, the state feedback controllers are designed. Finally, some examples are presented to illustrate the effectiveness of the results.

Suggested Citation

  • Qinyun Lu & Yuanguo Zhu & Bo Li, 2021. "Finite-Time Stability In Mean For Nabla Uncertain Fractional Order Linear Difference Systems," FRACTALS (fractals), World Scientific Publishing Co. Pte. Ltd., vol. 29(04), pages 1-12, June.
  • Handle: RePEc:wsi:fracta:v:29:y:2021:i:04:n:s0218348x21500973
    DOI: 10.1142/S0218348X21500973
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