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1 Journal of Theoretical and Applied Mechanics

1 2013

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Robust adaptive vibration control for a general class of structures in the presence of time-varying uncertainties and disturbances

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Koofigar H. R. , Amelian S.

tom Vol. 51 nr 3

533--541

The problem of active vibration suppression in a wide class of smart structures is addressed. The dynamical model of a structure may be perturbed by uncertain time-varying parameters and external disturbances. A novel adaptive-based control algorithm is presented here to satisfy robustness properties with respect to model uncertainties and environmental disturbances. Reflecting practical situations, the upper bound of perturbations is not required for controller design. The analytical stability of a closed-loop system is presented based on the Lyapunov stability theorem. Furthermore, numerical analysis is also provided to show the effectiveness of the proposed method.