Autor: Kotta, U. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Realization of nonlinear composite systems
Autorzy:: Mullari, T.
Kotta, U.
Nomm, S.
Tonso, M.
Powiązania:: https://bibliotekanauki.pl/articles/969986.pdf
Data publikacji:: 2006
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:: nonlinear control systems
realization
composite systems
Opis:: The paper studies the realization problem for series and parallel connections of nonlinear single-input single-output systems, described by higher order differential equations. Necessary and sufficient conditions are given for the existence of the classical state space realization in both cases. It is proved that post- and parallel compensators are of no help in overcoming non-realizability. Results are illustrated by an example.
Źródło:: Control and Cybernetics; 2006, 35, 4; 905-921
0324-8569
Pojawia się w:: Control and Cybernetics
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Feedback linearization of an active magnetic bearing system operated with a zero-bias flux
Autorzy:: Mystkowski, A.
Kaparin, V.
Kotta, Ü.
Pawluszewicz, E.
Tõnso, M.
Powiązania:: https://bibliotekanauki.pl/articles/331088.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: active magnetic bearing
flux control
zero bias
feedback linearization
flat outputs
łożysko magnetyczne aktywne
regulacja strumienia
linearyzacja sprzężenia zwrotnego
Opis:: Input-output linearization by state feedback is applied to a flux-controlled active magnetic bearing (AMB) system, operated in the zero-bias mode. Two models of the AMB system are employed. The first one is described by the third-order dynamics with a flux-dependent voltage switching scheme, whereas the second one is the fourth-order system, called self-sensing AMB, since it does not require the measurement of the rotor position. In the case of that system we had to find the flat outputs to guarantee its stability. The proposed control schemes are verified by means of numerical simulations performed within the Matlab environment.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2017, 27, 3; 539-548
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Reducibility condition for nonlinear discrete-time systems: behavioral approach
Autorzy:: Bartosiewicz, Z.
Kotta, U.
Pawłuszewicz, E.
Tonso, M.
Wyrwas, M.
Powiązania:: https://bibliotekanauki.pl/articles/206211.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:: nonlinear discrete-time systems reducibility
behavioral approach
left difference polynomials
Opis:: The paper addresses the problem of reducibility of nonlinear discrete-time systems, described by implicit higher order difference equations where no a priori distinction is made between input and output variables. The reducibility definition is based on the concept of autonomous element. We prove necessary reducibility condition, presented in terms of the left submodule, generated by the row matrix, describing the behavior of the linearized system, over the ring of left difference polynomials. Then the reducibility of the system implies the closedness of the submodule, like in the linear time-invariant case. In the special case, when the variables may be specified as inputs and outputs and the system equations are Niven in the explicit form, the results of this paper yield the known results.
Źródło:: Control and Cybernetics; 2013, 42, 2; 329-346
0324-8569
Pojawia się w:: Control and Cybernetics
Dostawca treści:: Biblioteka Nauki

Artykuł

Informacja