Active Acoustic Treatment (AAT) - A step toward a perfect sound absorber

Proceedings of the American Control Conference

Volumn 4, Issue , 1998, Pages 2611-2615

  Mehta, P G ^a   Zander, A C ^a   Patrick, W P ^a   Zhang, Y ^a  

^a UNITED TECHNOLOGIES RESEARCH CENTER   (United States)

Author keywords

Active noise control; Collocated control; Decentralized control; Duct noise control

Indexed keywords

ACOUSTIC MODE DECOMPOSITION; ACOUSTIC TREATMENT; COLLOCATED CONTROL; CONTROL SOLUTIONS; DECENTRALIZED FEEDBACK; DUCT NOISE CONTROLS; MICROPHONE ARRAYS; RECTANGULAR DUCTS;

ACOUSTIC NOISE; ACTIVE NOISE CONTROL; DECENTRALIZED CONTROL; MICROPHONES;

DUCTS;

EID: 33646625018     PISSN: 07431619     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ACC.1998.703108     Document Type: Conference Paper

References (8)

1. P. Leug, "Process of Silencing Sound Oscillations", U.S. Patent 2,043,416, 1936.
2. L.J. Errikson, M.C. Allie, CD. Bremigan, R.A. Griener, "Active noise control using adaptive digital signal processing," Proc. of ICASSP, pp. 2594-2597, NewYork, 1988.
3. D. Stell, and R. J. Bernhard, "Active Control of High Order Acoustical Modes in a Semi-Infinite Waveguide", ASME J. of Vibration and Acoustics, 113, pp. 523-531, Oct. 1991.
4. C. Zander, and C. H. Hansen, "Active Control of Higher-Order Acoustic Modes in Ducts", J. Acoust. Soc. Am., 92(1), pp. 244-257 (1992).
5. Nishimura, K. Ohnishi, W.P. Patrick, and A.C. Zander, "Development of Active Acoustic Treatment - Phase 1: Basic Concept and Development of AAT-Cell, Proc. of ACTIVE97 (1997).
6. W. P. Patrick, A. C. Zander, P. G. Mehta, M. Nishimura, and K. Ohnishi, "Development of active acoustic treatment phase 2; duct test of AAT sheet," Proc. of ACTIVE97 (1997).
7. Åbom, "Modal Decomposition in Ducts Based on Transfer Function Measurements Between Microphone Pairs," J. Sound and Vibration, 135(1), pp. 95-114 (1989).
8. Manfred Morari, Evanghelos Zafiriou, "Robust Process Control," PTR Printice Hall, New Jersey (1989).