Temat: time-optimal control - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Time-optimal control of infinite order hyperbolic systems with time delays
Autorzy:: Kowalewski, A.
Powiązania:: https://bibliotekanauki.pl/articles/929954.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: sterowanie czasooptymalne
systemy hyperboliczne
opóźnienie czasowe
time-optimal control
infinite order
hyperbolic systems
time delays
Opis:: In this paper, the time-optimal control problem for infinite order hyperbolic systems in which time delays appear in the integral form both in state equations and in boundary conditions is considered. Optimal controls are characterized in terms of an adjoint system and shown to be unique and bang-bang. These results extend to certain cases of nonlinear control problems. The particular properties of optimal control are discussed.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2009, 19, 4; 597-608
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The problems of Collision Avoidance at Sea in the Formulation of Complex Motion Principles
Autorzy:: Żak, B.
Powiązania:: https://bibliotekanauki.pl/articles/907975.pdf
Data publikacji:: 2004
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: sytuacja kolizyjna
system antykolizyjny
sterowanie optymalne
collision situation
modelling
anticollision systems
time-optimal control
Opis:: The paper presents a mathematical model of a collision situation for objects afloat based on the rules of a multiple complex motion. It also contains an analysis of the presented model and draws some conclusions from it. The method used to determine the minimum-time control of ships in a situation of colliding with other objects afloat is presented for a mathematical model of a collision situation. It also includes the results of a simulation study conducted by means of this method. A parallel approach of a ship to an encountered object was studied, i.e., a situation generating a critical case which is the collision of two ships.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2004, 14, 4; 503-514
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Time-optimal boundary control of a parabolic system with time lags given in integral form
Autorzy:: Kowalewski, A.
Krakowiak, A.
Powiązania:: https://bibliotekanauki.pl/articles/908398.pdf
Data publikacji:: 2006
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: sterowanie optymalne czasowo
system paraboliczny
opóźnienie
time-optimal boundary control
parabolic system
time lags
Opis:: In this paper, the time-optimal boundary control problem for a distributed parabolic system in which time lags appear in integral form in both the state equation and the boundary condition is presented. Some particular properties of optimal control are discussed.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2006, 16, 3; 287-295
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Time-optimal boundary control of an infinite order parabolic system with time lags
Autorzy:: Kowalewski, A.
Krakowiak, A.
Powiązania:: https://bibliotekanauki.pl/articles/907944.pdf
Data publikacji:: 2008
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: sterowanie optymalne
sterowanie czasooptymalne
system paraboliczny
opóźnienie
rząd nieskończony
time-optimal boundary control
infinite order
parabolic system
time lags
Opis:: In this paper the time-optimal boundary control problem is presented for a distributed infinite order parabolic system in which time lags appear in the integral form both in the state equation and in the boundary condition. Some specific properties of the optimal control are discussed.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2008, 18, 2; 189-198
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Optimizing the Linear Quadratic Minimum-Time Problem for Discrete Distributed Systems
Autorzy:: Rachik, M.
Abdelhak, A.
Powiązania:: https://bibliotekanauki.pl/articles/907998.pdf
Data publikacji:: 2002
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: informatyka
discrete distributed systems
time-delay systems
minimum time
optimal control
Opis:: With reference to the work of Verriest and Lewis (1991) on continuous finite-dimensional systems, the linear quadratic minimum-time problem is considered for discrete distributed systems and discrete distributed time delay systems. We treat the problem in two variants, with fixed and free end points. We consider a cost functional J which includes time, energy and precision terms, and then we investigate the optimal pair (N,u) which minimizes J.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2002, 12, 2; 153-160
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Controllability, Observability and Optimal Control of Continuous-Time 2-D Systems
Autorzy:: Jank, G.
Powiązania:: https://bibliotekanauki.pl/articles/907997.pdf
Data publikacji:: 2002
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: informatyka
2-D continuous-time systems
controllability
observability
optimal control
quadratic cost
Opis:: We consider linear 2-D systems of Fornasini-Marchesini type in the continuous-time case with non-constant coefficients. Using an explicit representation of the solutions by utilizing the Riemann-kernel of the equation under consideration, we obtain controllability and observability criteria in the case of the inhomogeneous equation, where control is obtained by choosing the inhomogeneity appropriately, but also for the homogeneous equation, where control is obtained by steering with Goursat data. The optimal control problem with a quadratic cost functional is also solved.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2002, 12, 2; 181-195
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: An optimal sliding mode congestion controller for connection-oriented communication networks with lossy links
Autorzy:: Bartoszewicz, A.
Leśniewski, P.
Powiązania:: https://bibliotekanauki.pl/articles/330586.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: optimal control
sliding mode control
flow control
discrete-time system
sterowanie optymalne
sterowanie ślizgowe
sterowanie przepływem
układ dyskretny
Opis:: A new discrete-time sliding-mode congestion controller for connection-oriented networks is proposed. Packet losses which may occur during the transmission process are explicitly taken into account. Two control laws are presented, each obtained by minimizing a different cost functional. The first one concentrates on the output variable, whereas in the second one the whole state vector is considered. Weighting factors for adjusting the influence of the control signal and appropriate (state or output) errors are incorporated in both the functionals. The asymptotic stability of the closed-loop system is proved, and the conditions for 100% bottleneck node bandwidth utilization are derived. The performance of the proposed algorithm is verified by computer simulations.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2014, 24, 1; 87-97
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: On the discrete time-varying JLQG problem
Autorzy:: Czornik, A.
Świerniak, A.
Powiązania:: https://bibliotekanauki.pl/articles/907993.pdf
Data publikacji:: 2002
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: automatyka
robotyka
jump linear systems
optimal control
time-varying systems
coupled Riccati equations
Opis:: In the present paper optimal time-invariant state feedback controllers are designed for a class of discrete time-varying control systems with Markov jumping parameter and quadratic performance index. We assume that the coefficients have limits as time tends to infinity and the boundary system is absolutely observable and stabilizable. Moreover, following the same line of reasoning, an adaptive controller is proposed in the case when system parameters are unknown but their strongly consistent estimators are available.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2002, 12, 2; 203-207
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Analytic Interpolation and the Degree Constraint
Autorzy:: Georgiou, T. T.
Powiązania:: https://bibliotekanauki.pl/articles/908329.pdf
Data publikacji:: 2001
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: interpolacja analityczna
szereg czasowy
analytic interpolation
uniformly optimal control
spectral analysis of time-series
Opis:: Analytic interpolation problems arise quite naturally in a variety of engineering applications. This is due to the fact that analyticity of a (transfer) function relates to the stability of a corresponding dynamical system, while positive realness and contractiveness relate to passivity. On the other hand, the degree of an interpolant relates to the dimension of the pertinent system, and this motivates our interest in constraining the degree of interpolants. The purpose of the present paper is to make an overview of recent developments on the subject as well as to highlight an application of the theory.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2001, 11, 1; 271-279
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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