Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "system niepewny" wg kryterium: Temat

  Lista filtrów
Wyrównaj
    Wyświetlanie 1-7 z 7
    Tytuł:
    Estimation of the output deviation norm for uncertain, discrete-time nonlinear systems in a state dependent form
    Autorzy:
    Orłowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/929824.pdf
    Data publikacji:
    2007
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    system niepewny
    system dyskretno-czasowy
    system nieliniowy
    uncertain systems
    uncertain estimates
    discrete-time systems
    nonlinear systems
    Opis:
    Numerical evaluation of the optimal nonlinear robust control requires estimating the impact of parameter uncertainties on the system output. The main goal of the paper is to propose a method for estimating the norm of an output trajectory deviation from the nominal trajectory for nonlinear uncertain, discrete-time systems. The measure of the deviation allows us to evaluate the robustness of any designed controller. The first part of the paper concerns uncertainty modelling for nonlinear systems given in the state space dependent form. The method for numerical estimation of the maximal norm of the output trajectory deviation with applications to robust control synthesis is proposed based on the introduced three-term additive uncertainty model. Theoretical deliberations are complemented with a numerical, water-tank system example.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2007, 17, 4; 505-513
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solution tubes to differential inclusions within a collection of sets
    Autorzy:
    Quincampoix, M.
    Veliov, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/206199.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    estymacja deterministyczna
    system niepewny
    system sterowania
    control systems
    deterministic estimation
    differential inclusions
    reachable sets
    uncertain systems
    Opis:
    This paper develops the theory of solution tubes to differential inclusions (uncertain systems) within a prescribed collection of sets. The notion is defined as a minimal invariant tube with values in the collection. Under certain requirements for the collection we prove existence and Lipschitz-like stability of the solution tubes. The theory is relevant to problems of systems estimation in the context of control or differential games.
    Źródło:
    Control and Cybernetics; 2002, 31, 3; 847-862
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    LMI-based adaptive fuzzy integral sliding mode control of mismatched uncertain systems
    Autorzy:
    Mnasri, C.
    Gasmi, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/930163.pdf
    Data publikacji:
    2011
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    sterowanie rozmyte
    sterowanie ślizgowe
    liniowa nierówność macierzowa
    system niepewny
    adaptive fuzzy control
    integral sliding mode
    LMI
    mismatched uncertainties
    Opis:
    Integral sliding mode design is considered for a class of uncertain systems in the presence of mismatched uncertainties in both state and input matrices, as well as norm-bounded nonlinearities and external disturbances. A sufficient condition for the robust stability of the sliding manifold is derived by means of linear matrix inequalities. The initial existence of the sliding mode is guaranteed by the proposed control law. The improvement of the proposed control scheme performances, such as chattering elimination and estimation of norm bounds of uncertainties, is then considered with the application of an adaptive fuzzy integral sliding mode control law. The validity and efficiency of the proposed approaches are investigated through a sixth order uncertain mechanical system.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2011, 21, 4; 605-615
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Robust performance of a class of control systems
    Autorzy:
    Wang, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/970421.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    system niepewny
    analiza odporności
    stabilność Hurwitza
    D-stabilność
    funkcja przenoszenia
    uncertain systems
    robustness analysis
    Kharitonov's theorem
    complex interval polynomials
    polynomial matrix family
    Hurwitz stability
    D-stability
    transfer functions
    strict positive realness
    Opis:
    Some Kharitonov-like robust Hurwitz stability criteria are established for a class of complex polynomial families with nonlinearly correlated perturbations. These results are extended to the polynomial matrix case and non-interval D-stability case. Applications of these results in testing of robust strict positive realness of real and complex interval transfer function families are also presented.
    Źródło:
    Control and Cybernetics; 2004, 33, 1; 71-83
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    LMI-based robust control of uncertain nonlinear systems via polytopes of polynomials
    Autorzy:
    Sánchez, Marcelino
    Bernal, Miguel
    Powiązania:
    https://bibliotekanauki.pl/articles/330548.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    robust control
    uncertain system
    nonlinear system
    linear parameter-varying systems
    LMIs
    sterowanie odporne
    układ niepewny
    układ nieliniowy
    układ liniowy niestacjonarny
    Opis:
    This investigation is concerned with robust analysis and control of uncertain nonlinear systems with parametric uncertainties. In contrast to the methodologies from the field of linear parameter varying systems, which employ convex structures of the state space representation in order to perform analysis and design, the proposed approach makes use of a polytopic form of a generalisation of the characteristic polynomial, which proves to outperform former results on the subject. Moreover, the derived conditions have the advantage of being cast as linear matrix inequalities under mild assumptions.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2019, 29, 2; 275-283
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the finite time stabilization via robust control for uncertain disturbed systems
    Autorzy:
    Ordaz, Patricio
    Alazki, Hussain
    Sánchez, Bonifacio
    Ordaz-Oliver, Mario
    Powiązania:
    https://bibliotekanauki.pl/articles/2201017.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    finite time bounded stability
    uncertain disturbed system
    robust stabilization
    ultimate bound minimization
    stabilność ograniczona
    układ niepewny
    stabilizacja odporna
    minimalizacja ograniczona
    Opis:
    This paper deals with the finite-time stabilization problem for a class of uncertain disturbed systems using linear robust control. The proposed algorithm is designed to provide the robustness of a linear feedback control scheme such that system trajectories arrive at a small-size attractive set around an unstable equilibrium in a finite time. To this end, an optimization problem with a linear matrix inequality constraint is presented. This means that the effects of external disturbances, as well as matched and mismatched uncertain dynamics, can be significantly reduced. Finally, the performance of the suggested closed-loop control strategies is shown by the trajectory tracking of an unmanned aerial vehicle flight.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2023, 33, 1; 71--82
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A discrete-time system with service control and repairs
    Autorzy:
    Atencia, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/331340.pdf
    Data publikacji:
    2014
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    discrete time queue
    unreliable server
    negative customers
    busy period
    sojourn times
    continuous time counterpart
    serwer niepewny
    odbiorca ujemny
    system czasu dyskretnego
    Opis:
    This paper discusses a discrete-time queueing system with starting failures in which an arriving customer follows three different strategies. Two of them correspond to the LCFS (Last Come First Served) discipline, in which displacements or expulsions of customers occur. The third strategy acts as a signal, that is, it becomes a negative customer. Also examined is the possibility of failures at each service commencement epoch. We carry out a thorough study of the model, deriving analytical results for the stationary distribution. We obtain the generating functions of the number of customers in the queue and in the system. The generating functions of the busy period as well as the sojourn times of a customer at the server, in the queue and in the system, are also provided. We present the main performance measures of the model. The versatility of this model allows us to mention several special cases of interest. Finally, we prove the convergence to the continuous-time counterpart and give some numerical results that show the behavior of some performance measures with respect to the most significant parameters of the system.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2014, 24, 3; 471-484
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

      Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies