Temat: steady-state control

Skocz do pozycji: 1.

Tytuł:: Analysis of integrodifferential control system with pulse-width modulated sampler on Banach spaces
Autorzy:: Wang, J.
Tematy:: integrodifferential system
pulse-width modulated sampler
steady-state control
steady-state stability; Pokaż więcej
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Powiązania:: https://bibliotekanauki.pl/articles/255995.pdf Link otwiera się w nowym oknie
Opis:: This paper studies steady-state control and stability for a class of integrodifferential control system with pulse-width modulated sampler on Banach spaces. The existence and stability of the steady-state for the integrodifferential control system with pulse-width modulated sampler are given. An example is given to illustrate the theory.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Remarks on the steady-state accuracy of a feedback control system
Autorzy:: Ferrante, A.
Krajewski, W.
Lepschy, A.
Viaro, U.
Tematy:: feedback control systems
robustness
steady-state response; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Powiązania:: https://bibliotekanauki.pl/articles/205550.pdf Link otwiera się w nowym oknie
Opis:: The paper deals with the steady-state response of a feedback control system to the canonical inputs. For its characterization it seems useful to introduce the notion of accuracy index mi beside the standard notion of loop type v. This index is assumed to be equal to the power of t in the analytic expression of the canonical input that leads to a finite nonzero deviation between the actual and the desired responses. When applied in the control design procedure, the accuracy index mi allows to achieve a steady-state performance that is more satisfactory than the one obtainable with reference to the loop type only. The conditions under which a single-loop feedback control system exhibits a prescribed value of mi, given the value of v, are derived and discussed with particular regard to their robustness.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Cooperation of model predictive control with steady-state economic optimisation
Autorzy:: Ławryńczuk, M.
Marusak, P. M.
Tatjewski, P.
Tematy:: sterowanie optymalne
optymalizacja
predictive control
optimal control
optimisation
economic steady-state optimisation
nonlinear control systems
constrained control; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Powiązania:: https://bibliotekanauki.pl/articles/971007.pdf Link otwiera się w nowym oknie
Opis:: The problem of cooperation of Model Predictive Control (MPC) algorithms with steady-state economic optimisation is investigated in this paper. It is particularly important when the dynamics of disturbances is comparable with the dynamics of the process, since in such a case the classical hierarchical multilayer structure is likely to be not efficient and give the economic yield smaller than expected. This is because the economic nonlinear optimisation problem cannot be then solved on-line to update the optimal operating point as frequently as needed. On the other hand, simple target set-point optimisation based on linear models can be also insufficiently accurate. This paper introduces approximate formulations of the target set-point optimisation problem which tightly cooperates with the MPC and is solved as frequently as the MPC controller executes. Linear, linear-quadratic and piecewise-linear formulations are discussed, tuning guidelines are also given.
Dostawca treści:: Biblioteka Nauki

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