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- W1985582702 abstract "Active control can be applied to a vibrating structure to attenuate the acoustic radiation from the structure. In this paper, active structural acoustic control (ASAC) techniques are applied to a ribbed plate in order to minimize the structurally radiating sound fields. Using feedforward control strategies, multiple control forces are applied to the reinforcing beam. Modifying the structural response results in attenuation of the radiating sound fields. Cost functions are developed for the minimization of the far-field radiating sound pressure and far-field sound power. Optimization of the control system is achieved by using information on the structural coincidence conditions, and in determining the optimal error sensor location. Results demonstrate that significant reduction in the far-field sound pressure and sound power can be achieved in a large range away from the grazing angles. The effect of the control system on the structural response is also investigated." @default.
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- W1985582702 date "1998-12-01" @default.
- W1985582702 modified "2023-09-25" @default.
- W1985582702 title "Active structural acoustic control of an infinite ribbed plate under light fluid loading" @default.
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- W1985582702 doi "https://doi.org/10.1121/1.423923" @default.
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