Non-fragile H-infinity Vibration Control for Uncertain Structural Systems
- Academic Press
- Publication Type:
- Journal Article
- Journal Of Sound And Vibration, 2004, 273 (4-5), pp. 1031 - 1045
- Issue Date:
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The paper deals with the robust non-fragile H-Infinity control problem for uncertain structural systems with additive controller gain variations. The parameter uncertainties for the mass, damping and stiffness of the structural systems are unknown but norm bounded. Based on the H-infinity control theory and a linear matrix inequality formulation, a new method for designing a robust state-feedback control law is presented. The objective is to reduce the disturbance on the controlled output to a prescribed level for all admissible parametric uncertainties and controller gain variations. A four-degree-of-freedom building model subject to seismic excitation is used to illustrate the effectiveness of the approach through simulation.
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