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Wyszukujesz frazę "transfer function" wg kryterium: Wszystkie pola


Wyświetlanie 1-3 z 3
Tytuł:
Positive Minimal Realization of Continuous-Discrete Linear Systems with All-Pole and All-Zero Transfer Function
Autorzy:
Sajewski, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/386925.pdf
Data publikacji:
2013
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
zagadnienia 2D
realizacja dodatnia
obliczanie
continous-discrete
2D problems
minimal
positive
realization
existence
computation
Opis:
The positive and minimal realization problem for continuous-discrete linear single-input and single-outputs (SISO) systems is formulated. Two special case of the continuous-discrete systems are given. Method based on the state variable diagram for finding a positive and minimal realization of a given proper transfer function is proposed. Sufficient conditions for the existence of a positive minimal realization of a given proper transfer function of all-pole and all-zero systems are established. Two procedures for computation of a positive minimal realization are proposed and illustrated by a numerical examples.
Źródło:
Acta Mechanica et Automatica; 2013, 7, 1; 42-47
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of friction force and hysteresis on the dynamic responses of passive quarter-car suspension with linear and non-linear damper static characteristics
Autorzy:
Klockiewicz, Zbyszko
Ślaski, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/2204625.pdf
Data publikacji:
2023
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
vehicle vertical dynamics
damper model
friction
hysteresis
transfer function
Opis:
Vehicle passive suspensions consist of two major elements generating force – spring and passive damper. Both possess non-linear characteristics, which are quite often taken into account in simulations; however, the friction forces inside the hydraulic damper and the damping force’s hysteresis are usually left out. The researchers in this paper present the results of examination of the influence of using complex damper models – with friction and hysteresis; and with linear and non-linear static characteristics – on the chosen dynamic responses of a suspension system for excitations in the typical exploitation frequency range. The results from the simulation tests of the simplified and advanced versions of the damper model – different transfer functions and their relation to the reference model’s transfer functions – are compared. The main conclusion is that friction and hysteresis add extra force to the already existing damping force, acting similar to damping increase for the base static characteristics. But this increase is not linear – it is bigger for smaller frequencies than for higher frequencies. The research shows the importance of including non-linear characteristics and proposed modules in modelling passive dampers.
Źródło:
Acta Mechanica et Automatica; 2023, 17, 2; 205--218
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design of Fractional Order Controller Satisfying Given Gain and Phase Margin for a Class of Unstable Plant with Delay
Autorzy:
Nartowicz, T.
Powiązania:
https://bibliotekanauki.pl/articles/387636.pdf
Data publikacji:
2012
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
regulator niecałkowitego rzędu
stabilność
opóźnienie
fractional order controller
stability
delay
Bode's ideal transfer function
Opis:
The paper describes the design problem of fractional order controller satisfying gain and phase margin of the closed loop system with unstable plant with delay. The proposed method is based on using Bode's ideal transfer function as a reference transfer function of the open loop system. Synthesis method is based on simplify of the object transfer function. Fractional order of the controllers is relative with gain and phase margin only. Computer method for synthesis of fractional controllers is given. The considerations are illustrated by numerical example and results of computer simulation with MATLAB/Simulink.
Źródło:
Acta Mechanica et Automatica; 2012, 6, 4; 41-45
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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