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An Extension of Estimation of Domain of Attraction for Fractional Order Linear System Subject to Saturation Control
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Orientador(es)
Resumo(s)
This paper employs the Lyapunov direct method for the stability analysis of fractional order linear systems subject to input saturation. A new stability condition based on saturation function is adopted for estimating the domain of attraction via ellipsoid approach. To further improve this estimation, the auxiliary feedback is also supported by the concept of stability region. The advantages of the proposed method are twofold: (1) it is straightforward to handle the problem both in analysis and design because of using Lyapunov method, (2) the estimation leads to less conservative results. A numerical example illustrates the feasibility of the proposed method.
Descrição
Palavras-chave
Fractional-order systems Stability Domain of attraction Input saturation Ellipsoid approach
Contexto Educativo
Citação
Editora
Elsevier