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New Results on H Control for Nonlinear Conformable Fractional Order Systems

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Abstract

This paper deals with H control problem for nonlinear conformable fractional order systems. The authors first derive new sufficient condition for exponential stability of nonlinear conformable fractional order systems based on Lyapunov-like function method for conformable fractional order systems and linear matrix inequalities (LMIs) approach. Then, by introducing a new concepts of H control problem for nonlinear conformable fractional order systems, the authors study H performance analysis and H state feedback controller design problems for the considered systems. In terms of LMIs, a sufficient condition is proposed to ensure the nonlinear conformable fractional order systems are not only exponentially stable, but also satisfy H performance γ. An explicit expression for state feedback controllers is also designed to make the closed-loop system is exponentially stable with H performance γ. Finally, numerical examples are given to illustrate the validity and effectiveness of the proposed results.

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Correspondence to Viet Thuan Mai or Thi Thanh Huyen Nguyen.

Additional information

This paper was funded by Ministry of Education and Training of Vietnam (B2020-TNA-13).

This paper was recommended for publication by Editor SUN Jian.

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Mai, V.T., Nguyen, T.H.T., Nguyen, H.S. et al. New Results on H Control for Nonlinear Conformable Fractional Order Systems. J Syst Sci Complex 34, 140–156 (2021). https://doi.org/10.1007/s11424-020-9033-z

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  • DOI: https://doi.org/10.1007/s11424-020-9033-z

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