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Wyszukujesz frazę "stability bound" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Maximal stability bounds of discrete-time singularly perturbed systems
    Autorzy:
    Chen, S.-J
    Lin, J.-L.
    Powiązania:
    https://bibliotekanauki.pl/articles/970412.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    discrete-time singularly perturbed system
    stability bound
    eigenvalue loci
    Kronecker product of LFTs
    Opis:
    The exact stability bound of the parasitic parameter for a discrete-time singularly perturbed system is determined by the linear fractional transformation (LFT) framework. Two systematic approaches including time-domain and frequency-domain methods are proposed to solve this problem based on the unified LFT framework. One employs the Kronecker product of LFTs and the guardian map theory. The other is to plot the eigenvalue loci of a real rational function matrix. Two examples are given to show the feasibility of the approaches.
    Źródło:
    Control and Cybernetics; 2004, 33, 1; 95-108
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    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:
    Nitrate-related down-regulation of respiratory nitrate reductase from Bradyrhizobium sp. (Lupinus)
    Autorzy:
    Polcyn, Władysław
    Powiązania:
    https://bibliotekanauki.pl/articles/1040684.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    multiple enzyme forms
    membrane-bound nitrate reductase [EC 1.7.99.4]
    down-regulation
    nitrate and nitrite induction
    stability of subunits
    Bradyrhizobium sp. (Lupinus)
    Opis:
    Previously, we showed that anaerobic induction of respiratory nitrate reductase (NR) activity in Bradyrhizobium sp. (Lupinus) USDA 3045 is strongly enhanced by nitrate or nitrite through de novo synthesis. Here, multiple NR-active soluble forms, ranging from 75 kDa to 190 kDa, were observed under anaerobic conditions. Electrophoretic activity band patterns differed depending on the level and the type of the N oxyanion added. The intensity of the membrane-bound NR activity band of 230 kDa changed with time along with consumption of 2 mM nitrate. It was associated with a parallel 5-fold increase and then 2-fold reduction in the amount of membrane-bound NR protein. In contrast, on 4 mM nitrate, the level of NR protein was much more stable, apparently due to slower nitrate depletion. Moreover, in cells anaerobically grown without nitrate addition, a 42-kDa derivative of NR degradation was immunodetected, which was not observed if nitrate was present in the medium. These findings suggest that the amount of the respiratory NR protein could be negatively regulated by endogenous proteases in relation to the level of nitrate available. It seems, therefore, that multiple native forms might be not different isoenzymes but immature complexes or derivatives of the enzyme protein turnover. This report adds to a modest list of bacterial enzymes apparently regulated by proteolysis, such as GS, MurAA, EnvA, GdhA, and MetA.
    Źródło:
    Acta Biochimica Polonica; 2008, 55, 4; 761-766
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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