Optimal Placement of Piezoelectric Actuators to Interior Noise Control
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An important problem to systems such as automobiles, ships and aircrafls is the control of interior noise whkii is being generated by the vibration of an elastic structure. In the present study, active control of interior noise is of primary interest In the past decade, closely related to ‘sound quality’ and spectrum shaping, the research on noise control has been paid more and more attention in attenuating low frequencies and reshaping the acoustical modes to obtain a satisfactory acoustical environment . Active control with smart material becomes a topic in the recent development of material science and has been gaining a rapid development in real application .
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