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On robustness of finite-time stability of homogeneous affine nonlinear systems and cascade interconnections

Abstract : This paper investigates robustness of finite-time stability property for a homogeneous nonlinear dynamical system with sufficiently small affine inputs. In addition, robust stability conditions are presented for the systems admitting homogeneous approximations at the origin or at infinity. The effects of additional stable unmodeled dynamics in the input channel on robust stability are investigated. The utility of the obtained results is illustrated via robustness analysis of homogeneous observer with time-varying gains.
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Submitted on : Wednesday, September 9, 2020 - 11:08:46 AM
Last modification on : Tuesday, December 15, 2020 - 11:18:59 AM
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Youness Braidiz, Denis Efimov, Andrey Polyakov, Wilfrid Perruquetti. On robustness of finite-time stability of homogeneous affine nonlinear systems and cascade interconnections. International Journal of Control, Taylor & Francis, 2020, ⟨10.1080/00207179.2020.1823017⟩. ⟨hal-02934333⟩

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