Abstract:Controlling the first few order acoustic radiation modes of a plate has been previously shown to reduce efficiently its total sound radiation at low frequency. In this paper, a new sensing strategy based on acoustic radiation modes for active structural acoustic control (ASAC) approach is proposed for the minimization of the acoustic radiation from a vibrating plate.Measuring a few points velocity on the vibrating surface and solving the underdetermined equations of the radiation mode expansion, the approximat… Show more
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