Browsing by Author "Barbosa, K. A."

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    Robust H-infinity filter design for singular systems with time-varying uncertainties
    (INST ENGINEERING TECHNOLOGY-IET, 2011) Barbosa, K. A.; Cipriano, A.
    This article deals with the design of robust H-infinity filter for singular systems in general form, subject to bounded time-varying uncertainties. The aim is to design linear admissible descriptor filters that ensure a guaranteed bound on the L-2 gain of the operator from the noise signals to the estimation error signal, irrespective of the time-varying uncertain parameters. A strict linear matrix inequality based method is proposed to the robust H-infinity filter design employing affine Lyapunov functions. A numerical example is presented to show the efficiency of the proposed method.