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Robust H∞ state feedback control for singular systems: A parameter-dependent approach

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Odporne sterowanie ze sprzężeniem zwrotnym H - metoda zależności parametrycznych
Języki publikacji
The robust H∞ state feedback control problem for both continuous- and discrete-time singular systems with polytopic-type uncertainties is revisited via a parameter-dependent approach. Attention is focused on the design of a parameter-dependent state feedback controller, such that the closed-loop system is admissible with prescribed H∞ noise attenuation level for all parameter uncertainties. Without using decomposition technique to the singular model, sufficient condition for the existence of an H∞ state feedback controller is expressed in terms of strict linear matrix inequalities (LMIs). In case that the LMI conditions are feasible, a suitable state feedback control law is explicitly given. The proposed approach is expected to be less conservative compared with previous results. Numerical examples are also provided to show the effectiveness of the approach.
Analizowany jest odporny system sterowania ze sprzężeniem zwrotnym H∞ dla przypadku systemu dyskretnego i ciągłego i z niepewnościami typu polytopic. Do analizy wykorzystuje się metod. zależności parametrycznych. Sterownik opisany jest liniową macierzą nierowności LMI. (Odporne sterowanie ze sprzężeniem zwrotnym H∞ - metoda zależności parametrycznych)
Opis fizyczny
Bibliogr. 35 poz., rys., tab.
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