Temat: state-feedback - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Controllability and observability of the descriptor linear systems reduced to the standard ones by feedbacks
Autorzy:: Kaczorek, Tadeusz
Klamka, Jerzy
Dzieliński, Andrzej
Tematy:: controllability and observability
descriptor linear systems
state feedback
state derivative feedback
standard linear systems; Pokaż więcej
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Powiązania:: https://bibliotekanauki.pl/articles/58907282.pdf Link otwiera się w nowym oknie
Opis:: In this paper, a new method for the reduction of the descriptor linear systems to standards ones is presented and verified. The method uses a state and/or state derivative feedback of output and output derivative feedback in order to transform the descriptor system into a standard one. The controllability and observability properties of the original descriptor as well as transformed standard systems are proved. Simple numerical examples illustrate the theorems introduced.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Observer state feedback control of discrete-time systems with state equality constraints
Autorzy:: Filasova, A.
Krokavec, D.
Tematy:: equality constraints
eigenstructure assignment
state feedback; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/229818.pdf Link otwiera się w nowym oknie
Opis:: Design conditions for existence of observer-based memory-less feedback control for stabilization of discrete-time systems with equality constraints given on the state variables are presented in the paper. These conditions are associated with eigenstructure assignment based on the singular value decomposition principle. The validity of the proposed method is demonstrated by a numerical example with the equality constraint tying together all state variables.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Positive and stable electrical circuits with state-feedbacks
Autorzy:: Kaczorek, T.
Tematy:: positivity
stability
linear
electrical circuit
state-feedback; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/141572.pdf Link otwiera się w nowym oknie
Opis:: The analysis of the positivity and stability of linear electrical circuits by the use of state-feedbacks is addressed. Generalized Frobenius matrices are proposed and their properties are investigated. It is shown that if the state matrix of an electrical circuit has generalized Frobenius form then the closed-loop system matrix is not positive and asymptotically stable. Different cases of modification of the positivity and stability of linear electrical circuits by state-feedbacks are discussed and necessary conditions for the existence of solutions to the problem are established.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Analysis of the positivity and stability of linear electrical circuits with state-feedbacks
Autorzy:: Kaczorek, T.
Tematy:: positivity
stability
linear
electrical circuit
state-feedback; Pokaż więcej
Wydawca:: Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Powiązania:: https://bibliotekanauki.pl/articles/377717.pdf Link otwiera się w nowym oknie
Opis:: The analysis of the positivity and stability of linear electrical circuits by the use of state-feedbacks is addressed. Generalized Frobenius matrices are proposed and their properties are investigated. It is shown that if the state matrix of electrical circuit has generalized Frobenius form then the closed-loop system matrix is not positive and asymptotically stable. Different cases of modification of the positivity and stability of linear electrical circuits by state-feedbacks are discussed and necessary conditions for the existence of solutions to the problem are established.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: A novel control-rod drive mechanism via electromagnetic levitation in MNSR
Autorzy:: Divandari, M.
Hashemi-Tilehnoee, M.
Khaleghi, M.
Hosseinkhah, M.
Tematy:: magnetic levitation system
nuclear reactor
state feedback
tracking; Pokaż więcej
Wydawca:: Instytut Chemii i Techniki Jądrowej
Powiązania:: https://bibliotekanauki.pl/articles/147631.pdf Link otwiera się w nowym oknie
Opis:: In this paper, an electromagnetic levitation system was used with a synchronous motor to navigate the control rod of a small-type research reactor. The result from this prototype magnetic levitation system was in agreement with simulation results. The control system was programmed in MATLAB through open-loop system, closed-loop with state feedback and closed-loop with state feedback integral tracking. The final control system showed the highest performance with a low positioning error. Our results showed that the developed control system has the potential to be used as a reliable actuator in nuclear reactors to satisfy higher performance and safety.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: State estimate based control design using the unified algebraic approach
Autorzy:: Filasova, A.
Krokavec, D.
Tematy:: state feedback
linear estimation
linear matrix inequalities
constrains; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/229891.pdf Link otwiera się w nowym oknie
Opis:: The LMI based method for the control with the state estimate, subject to the input variable constraints in the state feedback control of the linear MIMO systems, is presented in the paper. For this problem are obtained the state feedback as well as the estimator gain matrices that capture the required stability by solving the linear matrix inequalities formulated in the sense of the unified algebraic approach. The method is particularly effective when the input variable constraints and the system output are of interest.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Stabilization of fractional positive continuous-time linear systems with delays in sectors of left half complex plane by state-feedbacks
Autorzy:: Kaczorek, T.
Tematy:: fractional
positive
continuous-time
linear
system
state-feedback
stabilization; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Powiązania:: https://bibliotekanauki.pl/articles/969916.pdf Link otwiera się w nowym oknie
Opis:: The problem of stabilization of fractional positive linear continuous-time linear systems with delays by state-feedbacks is addressed. The gain matrix of the state feedback is chosen so that the zeros of the closed-loop polynomial are located in a sector of the left half of complex plane. Necessary and sufficient conditions for the solvability of the problem are established and a procedure for computation of a gain matrix of the feedback is proposed. The considerations are illustrated by a numerical example.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: PMSM drive with adaptive state feedback speed controller
Autorzy:: Szczepanski, R.
Tarczewski, T.
Grzesiak, L. M.
Tematy:: adaptive control
state feedback controller
PMSM
Widrow-Hoff rule; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/200540.pdf Link otwiera się w nowym oknie
Opis:: In this paper, the issue related to control of the plant with nonconstant parameters is addressed. In order to assure the unchanged response of the system, an adaptive state feedback speed controller for permanent magnet synchronous motor is proposed. The model-reference adaptive system is applied while the Widrow-Hoff rule is used as adjustment mechanism of controller’s coefficients. Necessary modifications related to construction of the cost function and formulas responsible for adjustment of state feedback speed controller’s coefficients are depicted. The impact of adaptation gain, which is the only parameter in proposed adjustment mechanism, on system behaviour is experimentally examined. The discussion about computational resources consumption of the proposed adaptation algorithm and implementation issues is included. The proposed approach is utilized in numerous experimental tests on modern SiC based drive with nonconstant moment of inertia. Comparison between adaptive and nonadaptive control schemes is also shown.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Positivity and stabilization of 2D linear systems
Autorzy:: Kaczorek, Tadeusz
Tematy:: linear 2D systems
general model
positivity
stabilization
state-feedback; Pokaż więcej
Wydawca:: Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Powiązania:: https://bibliotekanauki.pl/articles/729394.pdf Link otwiera się w nowym oknie
Opis:: The problem of finding a gain matrix of the state-feedback of 2D linear system such that the closed-loop system is positive and asymptotically stable is formulated and solved. Necessary and sufficient conditions for the solvability of the problem are established. It is shown that the problem can be reduced to suitable linear programming problem. The proposed approach can be extended to 2D linear system described by the 2D Roesser model.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: PMSM servo-drive fed by SiC MOSFETs based VSI
Autorzy:: Tarczewski, T.
Skiwski, M.
Grzesiak, L. M.
Zieliński, M.
Tematy:: PMSM
servo-drive
SiC MOSFET
FOC control
state feedback control; Pokaż więcej
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:: https://bibliotekanauki.pl/articles/1193673.pdf Link otwiera się w nowym oknie
Opis:: The article presents modern PMSM servo-drive with SiC MOSFETs power devices and microprocessor with ARM Cortex core. The high switching frequency is obtained due to the application of high efficient power switching components and powerful microprocessor. It allows to achieve good dynamical properties of current control loop, proper disturbance compensation and silent operation of servo-drive. Experimental tests results obtained for two different control schemes (i.e., cascade control structure and state feedback position control) are presented.
Dostawca treści:: Biblioteka Nauki

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