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    Funções de Lyapunov lineares por partes para sistemas lineares com controles saturáveis

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    Funções de Lyapunov lineares por partes para sistemas lineares com controles saturáveis.pdf (143.1Kb)
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    Artigo de Periódico
    Date
    2002
    Author
    Milani, Basílio E. A.
    Coelho, Alessandra Dutra
    Metadata
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    Abstract
    Este trabalho trata de funções de Lyapunov lineares por partes para análise de estabilidade de sistemas lineares discretos no tempo com entradas saturáveis. São apresentadas novas condições necessárias e suficientes para funções lineares por partes positivas definidas serem funções de Lyapunov. Um procedimento computacional é proposto para determinação dessas funções de Lyapunov e suas correspondentes regiões de estabilidade assintótica. Comparadas `as funções de Minkowski, as funções lineares por partes apresentam desempenho estritamente superior e são naturalmente mais flexíveis e adaptadas ao comportamento dinâmico radialmente variável dos sistemas saturados.
     
    This paper is concerned with piecewise-linear functions as Lyapunov function candidates for stability analysis of time-invariant discrete-time linear systems with saturating closed-loop control inputs.New necessary and sufficient conditions for positive definite piecewiselinear functions be Lyapunov functions are presented.A computational procedure is proposed for determination of such Lyapunov functions and associated polyhedral regions of local asymptotic stability.Compared to Minkowski functions, piecewise-linear functions present strictly better performance, being naturally more flexible and better adapted to the radially variable dynamic behavior of saturated systems.
     
    1. Model Predictive Control in Industrial Processes
    2. System Identification Techniques
    3. Networked Control Systems
    4. Model Predictive Control in Industrial Processes
    5. Control and Systems Engineering
    6. Engineering
    7. Physical Sciences
    8. Stability Analysis
    9. Computer science
    10. Mathematics
    11. Humanities
    12. Philosophy
    13. Acesso Aberto
    URI
    https://openalex.org/W2135651808
    https://doi.org/10.1590/s0103-17592002000100006
    https://www.scielo.br/j/ca/a/mM8ScSVNpf6Bsf7gKprQsZQ/?lang=es&format=pdf
    https://repositorio.maua.br/handle/MAUA/1709
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