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Active Structural Acoustic Control for Reduction of Radiated Sound from Structure
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 Title & Authors
Active Structural Acoustic Control for Reduction of Radiated Sound from Structure
O, Jae-Eung; Hong, Jin-Seok;
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Active control of sound radiation from a vibrating rectangular plate by a steady-state harmonic point force disturbance is experimentally studied. Structural excitation is achieved by two piezoceramic actuators mounted on the panel. Two accelerometers are implemented as error sensors. Estimated radiated sound signals using vibro-acoustic path transfer function are used as error signals. The vibro-acoustic path transfer function represents system between accelerometers and microphones. The approach is based on a multi-channel filtered-x LMS algorithm. The results shows that attenuation of sound levels of 11dB, 10dB is achieved.
Filtered-x LMS Algorithm;Active Structural Acoustic Control;Radiated Sound;
 Cited by
박수홍, 김홍섭, 홍진석, 오재응, 1997, 'Filtered-x LMS 알고리듬을 이용한 유연한 외팔보의 능동진동제어,' 한국정밀공학회 논문집, 제14권, 제3호, pp. 107-113

김흥섭, 홍진석, 오재웅, 1997, '덕트에서 온라인 적응 알고리듬을 이용한 능동소음 제어,' 대한기계학회 논문집, 제21권 제8호, pp. 1332-1338

Fuller, Elliott, Nelson, 1996, Active Control of Vibration, ACADEMIC PRESS

홍진석, 박수홍, 김홍섭, 오재응, 정진태, 2000, '다채널제어 알고리듬을 이용한 음향가진된 밀폐계 평판의 능동진통제어,' 대한기계학회 논문집,A권 제24권 제6호, pp. 1390-1397

Robert L. Clark and Chris R. Fuller, 1992, 'Experiments on active control of structurally radiated sound using multiple piezoceramic actuators,' J. Acoust. Soc. Am., 97(6), pp. 3313-3320

Sen M. Kuo, Dennis R. Morgan. Active Noise Control Systems, John Wiley & Sons, Inc., 1996

박수홍, 1998, '다채널 능동제어기법에 의한 밀폐계 평판의 외부 방사소음저감,' 공학박사 학위논문, 한양대학교