H\infty Control of Radiated Acoustic Power Modes

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Turkish Journal of Engineering and Environmental Sciences
Volume:25 Issue:5
H\infty Control of Radiated Acoustic Power Modes

H\infty Control of Radiated Acoustic Power Modes

Authors : Selim SİVRİOĞLU

Pages : 427-434

View : 16 | Download : 10

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :This study presents a robust control system design for suppressing the radiated acoustic power emitted from a vibrating planar structure, and spillover effect caused by neglected high frequency modes. A state-space model of a simply supported plate is derived and an output equation is formed based on the one-dimensional PVDF film sensors. An output feedback H\infty control is designed by introducing a multiplicative perturbation which represents unmodeled high frequency dynamics in the control system. The simulation and experimental results are reasonable and show performance improvements.
Keywords : Distributed parameter systems, Acoustic power modes, PVDF sensor, Modal control, Hinfty Control

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