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LMI-based adaptive fuzzy integral sliding mode control of mismatched uncertain systems

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Mnasri C., Gasmi M.

International Journal of Applied Mathematics and Computer Science

2011

tom 21

nr 4

605-615

Integral sliding mode design is considered for a class of uncertain systems in the presence of mismatched uncertainties in both state and input matrices, as well as norm-bounded nonlinearities and external disturbances. A sufficient condition for the robust stability of the sliding manifold is derived by means of linear matrix inequalities. The initial existence of the sliding mode is guaranteed by the proposed control law. The improvement of the proposed control scheme performances, such as chattering elimination and estimation of norm bounds of uncertainties, is then considered with the application of an adaptive fuzzy integral sliding mode control law. The validity and efficiency of the proposed approaches are investigated through a sixth order uncertain mechanical system.

Ograniczanie wyników

1 International Journal of Applied Mathematics and Computer Science

1 Gasmi M.

1 Mnasri C.

1 2011

Wyniki wyszukiwania

LMI-based adaptive fuzzy integral sliding mode control of mismatched uncertain systems