Publicação: Optimal placement of sensors/actuators in truss structures with known disturbances
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An important stage in the solution of active vibration control in flexible structures is the optimal placement of sensors and actuators. In many works, the positioning of these devices in systems governed for parameter distributed is, mainly, based, in controllability approach or criteria of performance. The positions that enhance such parameters are considered optimal. These techniques do not take in account the space variation of disturbances. An way to enhance the robustness of the control design would be to locate the actuators considering the space distribution of the worst case of disturbances. This paper is addressed to include in the formulation of problem of optimal location of sensors and piezoelectric actuators the effect of external disturbances. The paper concludes with a numerical simulation in a truss structure considering that the disturbance is applied in a known point a priori. As objective function the C norm system is used. The LQR (Linear Quadratic Regulator) controller was used to quantify performance of different sensors/actuators configurations.
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Active control 6, Distubances, Optimal placement, Sensors/actuators piezoelectic, System norms, Active control, Optimal placements, Piezoelectic, Buckling, Exhibitions, Flexible structures, Piezoelectric actuators, Sensors, Structural dynamics, Optimization
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Inglês
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Conference Proceedings of the Society for Experimental Mechanics Series.
