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Wyszukujesz frazę "linear, discrete" wg kryterium: Temat


Tytuł:
Model reduction problem of linear discrete systems: Admissibles initial states
Autorzy:
Abdelhak, A.
Rachik, M.
Powiązania:
https://bibliotekanauki.pl/articles/229165.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
linear discrete systems
model order reduction
Opis:
Given a linear discrete system with initial state x0 and output function yi , we investigate a low dimensional linear system that produces, with a tolerance index ϵ, the same output function when the initial state belongs to a specified set, called ϵ-admissible set, that we characterize by a finite number of inequalities. We also give an algorithm which allows us to determine an ϵ-admissible set.
Źródło:
Archives of Control Sciences; 2019, 29, 1; 41-55
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Initial data generating bounded solutions of linear discrete equations
Autorzy:
Bastinec, J.
Diblik, J.
Ruzickova, M.
Powiązania:
https://bibliotekanauki.pl/articles/255873.pdf
Data publikacji:
2006
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
linear discrete equation
bounded solutions
initial data
Opis:
A lot of papers are devoted to the investigation of the problem of prescribed behavior of solutions of discrete equations and in numerous results sufficient conditions for existence of at least one solution of discrete equations having prescribed asymptotic behavior are indicated. Not so much attention has been paid to the problem of determining corresponding initial data generating such solutions. We fill this gap for the case of linear equations in this paper. The initial data mentioned are constructed with use of two convergent monotone sequences. An illustrative example is considered, too.
Źródło:
Opuscula Mathematica; 2006, 26, 3; 395-406
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computer aided methods for stability analysis of 2D linear systems described by the first Fornasini-Marchesini model
Autorzy:
Ruszewski, A.
Busłowicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/384998.pdf
Data publikacji:
2014
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
2D system
linear, discrete
stability
computational method
Opis:
Computer aided methods for investigation of the asymptotic stability of 2D discrete linear systems described by the first Fornasini-Marchesini model are given. The methods require computation of eigenvalues of complex matrices or values of complex functions. Effectiveness of the stability tests are demonstrated on numerical examples.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2014, 8, 2; 3-8
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Obserwowalność układów dyskretnych niecałkowitego rzędu z opóźnieniem w wektorze stanu
Observability of discrete-time fractional order systems with state delay
Autorzy:
Kociszewski, R.
Powiązania:
https://bibliotekanauki.pl/articles/277383.pdf
Data publikacji:
2011
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
dodatnie liniowe układów dyskretne
obserwowalność
positive linear discrete-time systems
observability
Opis:
W artykule rozpatrzono problem obserwowalności liniowych układów dyskretnych dodatnich oraz standardowych niecałkowitego rzędu z jednym opóźnieniem we współrzędnych stanu. Sformułowano definicje i kryteria obserwowalności oraz zaproponowano metodę obliczania stanu początkowego rozpatrywanej klasy układów. Główne kryteria sformułowano dla [...]-obserwowalności, będącej przypadkiem szczególnym obserwowalności.
In the paper the observability problem for the positive and the standard linear discrete-time fractional order system with one state delay is presented. Necessary and sufficient conditions for [...]-observability are formulated and proved. A simple method for computing the initial condition is proposed. Considerations are illustrated by numerical examples.
Źródło:
Pomiary Automatyka Robotyka; 2011, 15, 2; 512-521
1427-9126
Pojawia się w:
Pomiary Automatyka Robotyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trackability and bounded output bounded input trackability of linear discrete-time systems
Autorzy:
Kurek, J.
Powiązania:
https://bibliotekanauki.pl/articles/206760.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
sterowalność
system liniowy dyskretno-czasowy
controllability
linear discrete time systems
trackability
Opis:
The notions of systems trackability and bounded output bounded input (B0BI) trackability are given. Then, necessary and suffcient conditions are formulated for trackability of linear discrete-time systems.
Źródło:
Control and Cybernetics; 2002, 31, 1; 43-55
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stabilization of discrete-time LTI positive systems
Autorzy:
Krokavec, D.
Filasová, A.
Powiązania:
https://bibliotekanauki.pl/articles/229466.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
state feedback stabilization
positive discrete-time observers
linear discrete-time positive systems
linear matrix inequalities
asymptotic stability
Opis:
The paper mitigates the existing conditions reported in the previous literature for control design of discrete-time linear positive systems. Incorporating an associated structure of linear matrix inequalities, combined with the Lyapunov inequality guaranteing asymptotic stability of discrete-time positive system structures, new conditions are presented with which the state-feedback controllers and the system state observers can be designed. Associated solutions of the proposed design conditions are illustrated by numerical illustrative examples.
Źródło:
Archives of Control Sciences; 2017, 27, 4; 575-594
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Asymptotic properties of discrete linear fractional equations
Autorzy:
Anh, P. T.
Babiarz, A.
Czornik, A.
Niezabitowski, M.
Siegmund, S.
Powiązania:
https://bibliotekanauki.pl/articles/200917.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
linear discrete-time fractional systems
Caputo equation
Riemann-Liouville equation
Volterra convolution equation
stability
Opis:
In this paper we study the dynamical behavior of linear discrete-time fractional systems. The first main result is that the norm of the difference of two different solutions of a time-varying discrete-time Caputo equation tends to zero not faster than polynomially. The second main result is a complete description of the decay to zero of the trajectories of one-dimensional time-invariant stable Caputo and Riemann-Liouville equations. Moreover, we present Volterra convolution equations, that are equivalent to Caputo and Riemann-Liouvile equations and we also show an explicit formula for the solution of systems of time-invariant Caputo equations.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2019, 67, 4; 749-759
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stability of continuous-discrete linear systems described by the general model
Autorzy:
Kaczorek, T.
Powiązania:
https://bibliotekanauki.pl/articles/202283.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
stability
continuous-discrete linear systems
general model
Opis:
New necessary and sufficient conditions for asymptotic stability of positive continuous-discrete linear systems described by the general 2D model are established. A procedure for checking the asymptotic stability is proposed. The effectiveness of the procedure is demonstrated on examples.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2011, 59, 2; 189-193
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Equivalent descriptions of a discrete-time fractional-order linear system and its stability domains
Autorzy:
Ostalczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/330106.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
rachunek ułamkowy
system dyskretno-czasowy
system liniowy
fractional calculus
linear-discrete time system
stability domain
Opis:
Two description forms of a linear fractional-order discrete system are considered. The first one is by a fractional-order difference equation, whereas the second by a fractional-order state-space equation. In relation to the two above-mentioned description forms, stability domains are evaluated. Several simulations of stable, marginally stable and unstable unit step responses of fractional-order systems due to different values of system parameters are presented.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2012, 22, 3; 533-538
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of approximation methods of positive stable continuous-time linear systems by positive stable discrete-time systems
Autorzy:
Kaczorek, T.
Powiązania:
https://bibliotekanauki.pl/articles/377291.pdf
Data publikacji:
2013
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
continuous-time linear systems
discrete-time linear systems
Opis:
The positive asymptotically stable continuous-time linear systems are approximated by corresponding asymptotically stable discrete-time linear systems. Two methods of the approximation are presented and the comparison of the methods is addressed. The considerations are illustrated by three numerical examples and an example of positive electrical circuit.
Źródło:
Poznan University of Technology Academic Journals. Electrical Engineering; 2013, 73; 9-20
1897-0737
Pojawia się w:
Poznan University of Technology Academic Journals. Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Positivity and stability of fractional discrete-time linear systems. The model without a time shift in the difference
Autorzy:
Kaczorek, T.
Ostalczyk, P.
Powiązania:
https://bibliotekanauki.pl/articles/206611.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
positivity
stability
fractional discrete-time linear systems
Opis:
The positivity and stability of fractional discretetime linear systems described by a new model are addressed. Necessary and sufficient conditions for the positivity and asymptotic stability of the systems are established. New tests for checking of the stability are proposed.
Źródło:
Control and Cybernetics; 2017, 46, 1; 27-36
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On some ways to implement state-multiplicative fault detection in discrete-time linear systems
Autorzy:
Krokavec, Dušan
Filasová, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2134045.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
linear discrete time system
state multiplicative fault
Luenberger observer
residual filter
linear matrix inequalities
liniowy układ dyskretny
obserwator Luenbergera
liniowe nierówności macierzowe
Opis:
New design conditions on the observer based residual filter design for the linear discrete-time linear systems with zoned system parameter faults are presented. With respect to time evolution of residual signals and with a guarantee of their robustness, the design task is stated in terms of linear matrix inequalities, while the recursive implementation of algorithms is motivated by the platform existence for real-time processing. A major objective is to analyze the configuration required and, in particular, a new characterization of the norm boundaries of the multiplicative zonal parametric faults to be projected onto the structure of the set of linear matrix inequalities.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2022, 32, 2; 229--240
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection and Control Problems for Non-Linear Distributed-Parameter Systems With Delays
Autorzy:
Namir, A.
Lahmidi, F.
Labriji, E. H.
Powiązania:
https://bibliotekanauki.pl/articles/911203.pdf
Data publikacji:
2000
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
system z rozproszonymi parametrami
detekcja
sterowanie
distributed-parameter systems
non-linear discrete-time systems
detection
control
fixed-point theorems
Opis:
First, we consider non-linear discrete-time and continuous-time systems with unknown inputs. The problem of reconstructing an input using the information given by an output equation is investigated. Then we examine a control problem for non-linear discrete-time hereditary systems, i.e. the problem of finding a control which drives the state of the system from its initial value to a given desired final state. The methods used to solve these problems are based on the state-space technique and fixed-point theorems. To illustrate the outlined ideas, various numerical simulation results are presented.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2000, 10, 3; 437-464
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Positive Descriptor Time-varying Discrete-time Linear Systems and Their Asymptotic Stability
Autorzy:
Kaczorek, T.
Powiązania:
https://bibliotekanauki.pl/articles/117205.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Methods and Algorithms
Asymptotic Stability
Positive Linear System
Weierstrass-Kronecker Theorem
Descriptor Time-Varying Discrete-Time Linear Systems
Positive Descriptor Time-Varying Discrete-Time Linear Systems
Positive Descriptor Discrete-Time Linear Systems
Opis:
The positivity and asymptotic stability of the descriptor time-varying discrete-time linear systems are addressed. The Weierstrass-Kronecker theorem on the decomposition of the regular pencil is extended to the time-varying discrete-time descriptor linear systems. Using the extension necessary and sufficient conditions for the positivity of the systems are established. Sufficient conditions for asymptotic stability of the positive systems are presented. The effectiveness of the tests is demonstrated on the example.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2015, 9, 1; 83-89
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computation of positive realizations for descriptor linear discrete-time systems
Autorzy:
Kaczorek, T.
Powiązania:
https://bibliotekanauki.pl/articles/116668.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
algorithm
computation
computation of positive realizations
descriptor lnear discrete-time systems
linear discrete-time systems
Discrete-time Systems
transfer matrices
method for determination of positive realizations
Opis:
A new method for computation of positive realizations of given transfer matrices of descriptor linear discrete‐time linear systems is proposed. Necessary and sufficient conditions for the existence of positive realizations of transfer matrices are given. A procedure for computation of the positive realizations for descriptor discrete‐time linear systems is proposed and illustrated by examples.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 3; 545-551
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł

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