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Wyszukujesz frazę "Takagi-Sugeno fuzzy systems" wg kryterium: Temat

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Fuzzy Techniques in the Functional Approximation of Volumetric Capnograms
    Autorzy:
    Scandurra, A. G.
    Pra, Ana L. Dai
    Passoni, L. I.
    Meschino, G. J.
    Clara, F. M.
    Tusman, G.
    Böhm, S. H.
    Powiązania:
    https://bibliotekanauki.pl/articles/108656.pdf
    Data publikacji:
    2011
    Wydawca:
    Społeczna Akademia Nauk w Łodzi
    Tematy:
    volumetric capnography
    Takagi-Sugeno Fuzzy Inference Systems
    functional modeling
    Opis:
    The Volumetric Capnography (VC) is the plot of amounts of expired CO₂ within one tidal breath. The estimation of physiologic parameters derived from the VC is useful in the study of respiratory physiology, clinical anesthesia and critical care medicine. In this work we propose the use of a function based on a Takagi-Sugeno fuzzy model and a functional approximation based on the Levenberg-Marquardt algorithm to approximate the VC, with the goal to compute two variables of interest: the airway dead space (VDaw) and the slope of the so-called Phase III (SIII). These models presented a good performance in those capnograms that showed difficulties to be modeled with traditional medical analysis.
    Źródło:
    Journal of Applied Computer Science Methods; 2011, 3 No. 1; 17-29
    1689-9636
    Pojawia się w:
    Journal of Applied Computer Science Methods
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stabilization of a certain class of fuzzy control systems with uncertainties
    Autorzy:
    Taieb, N. H.
    Hammami, M. A.
    Delmotte, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/229196.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Takagi-Sugeno fuzzy systems
    PDC controller
    global uniform practical exponential stability
    Lyapunov stability
    parametric uncertainty
    Opis:
    In this paper, we investigate the global uniform practical exponential stability for a class of uncertain Takagi-Sugeno fuzzy systems. The uncertainties are supposed uniformly to be bounded by some known integrable functions to obtain an exponential convergence toward a neighborhood of the origin. Therefore, we use common quadratic Lyapunov function (CQLF) and parallel distributed compensation (PDC) controller techniques to show the global uniform practical exponential stability of the closed-loop system. Numeric simulations are given to validate the proposed approach.
    Źródło:
    Archives of Control Sciences; 2017, 27, 3; 453-481
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A simple criterion for the global exponential stability of uncertain T-S fuzzy singularly perturbed discrete-time systems
    Autorzy:
    Sun, Y. J.
    Powiązania:
    https://bibliotekanauki.pl/articles/205643.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    Takagi-Sugeno fuzzy system
    singularly perturbed systems
    uncertain systems
    Opis:
    In this paper, the global exponential stability for a class of uncertain Takagi-Sugeno (T-S) fuzzy singularly perturbed systems is investigated. Based on time-domain approach with difference inequality technique, a simple criterion is derived to guarantee the global exponential stability of such systems. The upper bound of the singular perturbation parameter is also provided by estimating the unique positive zero of specific function. Finally, two numerical examples are given to demonstrate the feasibility and effectiveness of the obtained result.
    Źródło:
    Control and Cybernetics; 2011, 40, 1; 59-71
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fuzzy adaptive control of a class of MISO nonlinear systems
    Autorzy:
    Lagrat, I.
    Ouakka, H.
    Boutnhidi, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/971004.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    identyfikacja
    sterowanie adaptacyjne
    układ nieliniowy
    MISO systems
    identification
    fuzzy clustering
    Takagi-Sugeno fuzzy model
    adaptive control
    nonlinear system
    Opis:
    This paper presents a fuzzy adaptive control of a class of MISO nonlinear systems. The dynamic behaviour of each MISO systems is composed of a nonlinear term, interactions effect between the inputs, and disturbances. In these circumstances, adaptive control becomes very difficult to implement and not always an evident task. Thus, the MISO system is approximated by the Takagi-Sugeno fuzzy model. The advantage of this approximation is beneficial in the sense that it allows for converting the nonlinear problem into a linear one. In this respect, the coupling, nonlinearity and unmodeled dynamics are easily compensated. The identification and the control are conducted at the level of each local linear model based on fuzzy approach. The computational load and the complexity of nonlinear approach are reduced and permit wide applicability. The validity and the performance are tested numerically.
    Źródło:
    Control and Cybernetics; 2008, 37, 1; 177-190
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Relaxed formulation of the design conditions for Takagi-Sugeno fuzzy virtual actuators
    Autorzy:
    Filasova, A.
    Krokavec, D.
    Liscinsky, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/229418.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    nonlinear dynamic systems
    Takagi-Sugeno fuzzy models
    fault tolerant control
    static output controllers
    virtual actuators
    linear matrix inequalities
    Opis:
    The H∞ norm approach to virtual actuators design, intended to Takagi-Sugeno fuzzy continuous-time systems, is presented in the paper. Using the second Ljapunov method, the design conditions are formulated in terms of linear matrix inequalities in adapted bounded real lemma structures. Related to the static output controller, and for systems under influence of single actuator faults, the design steps are revealed for a three-tank system plant.
    Źródło:
    Archives of Control Sciences; 2016, 26, 2; 199-221
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new fuzzy Lyapunov approach to non-quadratic stabilization of Takagi-Sugeno fuzzy models
    Autorzy:
    Abdelmalek, I.
    Goléa, N.
    Hadjili, M. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/911242.pdf
    Data publikacji:
    2007
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    liniowe nierówności macierzowe
    stabilizacja
    funkcja Lapunowa
    model Takagi-Sugeno
    system rozmyty
    T-S fuzzy systems
    non-quadratic stability conditions
    linear matrix inequalities
    parallel distributed compensation
    stabilization
    Opis:
    In this paper, new non-quadratic stability conditions are derived based on the parallel distributed compensation scheme to stabilize Takagi-Sugeno (T-S) fuzzy systems. We use a non-quadratic Lyapunov function as a fuzzy mixture of multiple quadratic Lyapunov functions. The quadratic Lyapunov functions share the same membership functions with the T-S fuzzy model. The stability conditions we propose are less conservative and stabilize also fuzzy systems which do not admit a quadratic stabilization. The proposed approach is based on two assumptions. The first one relates to a proportional relation between multiple Lyapunov functions and the second one considers an upper bound to the time derivative of the premise membership functions. To illustrate the advantages of our proposal, four examples are given.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2007, 17, 1; 39-51
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Intelligent PI controller and its application to dissolved oxygen tracking problem
    Autorzy:
    Zubowicz, T.
    Brdys, M. A.
    Piotrowski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/384365.pdf
    Data publikacji:
    2010
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    aeration process
    artificial intelligence
    control systems
    dissolved oxygen
    tracking problem
    fuzzy logic controller
    genetic algorithms
    intelligent control
    Takagi Sugeno Kang method
    TSK
    soft switching
    wastewater treatment
    Opis:
    The paper addresses design, calibration, implementation and simulation of the intelligent PI controller used for dissolved oxygen (DO) tracking at wastewater treatment plant (WWTP). The calibration process presented in this paper utilizes both engineering and scientific methods. Verification of the control system design method was obtained via simulation experiments.
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2010, 4, 3; 16-24
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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