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Wyszukujesz frazę "control Lyapunov function" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    A control Lyapunov function approach to adaptive control of HIV-1 infection
    Autorzy:
    Lemos, J. M.
    Barao, M. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/229511.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    nonlinear adaptive control
    HIV-1 infection
    immunology
    exact linearization
    control Lyapunov function
    Opis:
    This paper presents an algorithm for nonlinear adaptive control of the viral load in HIV-1 infection. The infection model considered is a reduced complexity nonlinear state-space model with two state variables, that represent the plasma concentration of uninfected and infected CD4+ T-cells of the human immune system. The viral load is assumed to be proportional to the concentration of infected cells. First, a change of variables that exactly linearizes the system is obtained. For the resulting linear system the manipulated variable is obtained by state feedback. To compensate for the uncertainty in the infection parameter of the model an estimator based on a Control Lyapunov Function is designed.
    Źródło:
    Archives of Control Sciences; 2012, 22, 3; 273-284
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Robust output predictive sequential controller design
    Autorzy:
    Vesely, V.
    Rosinova, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/229887.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    model predictive control
    robust control
    parameter dependent quadratic stability
    Lyapunov function
    polytopic system
    sequential approach
    Opis:
    The paper addresses design problem of a robust parameter dependent quadratically stabilizing output/state feedback model predictive control for linear polytopic systems without constraints using original equential approach. The design procedure ensures stability, robustness properties and guaranteed cost for the closed-loop uncertain system
    Źródło:
    Archives of Control Sciences; 2010, 20, 1; 31-46
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Stability Interval of the Set of Linear System
    Autorzy:
    Mazakov, Talgat
    Wójcik, Waldemar
    Jomartova, Sholpan
    Karymsakova, Nurgul
    Ziyatbekova, Gulzat
    Tursynbai, Aisulu
    Powiązania:
    https://bibliotekanauki.pl/articles/1844628.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    automatic control system
    stability
    matrix
    minor
    characteristic polynomial
    Hurwitz criterion
    Lienard-Shipard criterion of interval mathematics
    Lyapunov function
    Opis:
    The article considers the problem of stability of interval-defined linear systems based on the Hurwitz and LienardShipar interval criteria. Krylov, Leverier, and Leverier-Danilevsky algorithms are implemented for automated construction and analysis of the interval characteristic polynomial. The interval mathematics library was used while developing the software. The stability of the dynamic system described by linear ordinary differential equations is determined and based on the properties of the eigenvalues of the interval characteristic polynomial. On the basis of numerical calculations, the authors compare several methods of constructing the characteristic polynomial. The developed software that implements the introduced interval arithmetic operations can be used in the study of dynamic properties of automatic control systems, energy, economic and other non-linear systems.
    Źródło:
    International Journal of Electronics and Telecommunications; 2021, 67, 2; 155-161
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hybrid synchronization and parameter estimation of a complex chaotic network of permanent magnet synchronous motors using adaptive integral sliding mode control
    Autorzy:
    Siddique, Nazam
    Rehman, Fazal U.
    Powiązania:
    https://bibliotekanauki.pl/articles/2128164.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    chaotic systems
    hybrid synchronization
    HS
    complex chaotic permanent magnet synchronous motor
    adaptive integral sliding mode control
    ISMC
    Lyapunov function
    systemy chaotyczne
    synchronizacja hybrydowa
    złożony chaotyczny silnik synchroniczny z magnesami trwałymi
    adaptacyjne zintegrowane sterowanie trybem przesuwu
    funkcja Lapunowa
    Opis:
    The synchronisation of a complex chaotic network of permanent magnet synchronous motor systems has increasing practical importance in the field of electrical engineering. This article presents the control design method for the hybrid synchronization and parameter estimation of ring-connected complex chaotic network of permanent magnet synchronous motor systems. The design of the desired control law is a challenging task for control engineers due to parametric uncertainties and chaotic responses to some specific parameter values. Controllers are designed based on the adaptive integral sliding mode control to ensure hybrid synchronization and estimation of uncertain terms. To apply the adaptive ISMC, firstly the error system is converted to a unique system consisting of a nominal part along with the unknown terms which are computed adaptively. The stabilizing controller incorporating nominal control and compensator control is designed for the error system. The compensator controller, as well as the adopted laws, are designed to get the first derivative of the Lyapunov equation strictly negative. To give an illustration, the proposed technique is applied to 4-coupled motor systems yielding the convergence of error dynamics to zero, estimation of uncertain parameters, and hybrid synchronization of system states. The usefulness of the proposed method has also been tested through computer simulations and found to be valid.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 3; e137056, 1--9
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hybrid synchronization and parameter estimation of a complex chaotic network of permanent magnet synchronous motors using adaptive integral sliding mode control
    Autorzy:
    Siddique, Nazam
    Rehman, Fazal U.
    Powiązania:
    https://bibliotekanauki.pl/articles/2173614.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    chaotic systems
    hybrid synchronization
    HS
    complex chaotic permanent magnet synchronous motor
    adaptive integral sliding mode control
    ISMC
    Lyapunov function
    systemy chaotyczne
    synchronizacja hybrydowa
    złożony chaotyczny silnik synchroniczny z magnesami trwałymi
    adaptacyjne zintegrowane sterowanie trybem przesuwu
    funkcja Lapunowa
    Opis:
    The synchronisation of a complex chaotic network of permanent magnet synchronous motor systems has increasing practical importance in the field of electrical engineering. This article presents the control design method for the hybrid synchronization and parameter estimation of ring-connected complex chaotic network of permanent magnet synchronous motor systems. The design of the desired control law is a challenging task for control engineers due to parametric uncertainties and chaotic responses to some specific parameter values. Controllers are designed based on the adaptive integral sliding mode control to ensure hybrid synchronization and estimation of uncertain terms. To apply the adaptive ISMC, firstly the error system is converted to a unique system consisting of a nominal part along with the unknown terms which are computed adaptively. The stabilizing controller incorporating nominal control and compensator control is designed for the error system. The compensator controller, as well as the adopted laws, are designed to get the first derivative of the Lyapunov equation strictly negative. To give an illustration, the proposed technique is applied to 4-coupled motor systems yielding the convergence of error dynamics to zero, estimation of uncertain parameters, and hybrid synchronization of system states. The usefulness of the proposed method has also been tested through computer simulations and found to be valid.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 3; art. no. e137056
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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