Multi-cell digital feedback control for noise reduction through hybrid absorbers

9th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2003, Pages

  Hilbrunner, Olivier ^a   Mazeaud, Benoit ^a   Galland, Marie Annick ^a  

^a ECOLE CENTRALE DE LYON   (France)

Author keywords

[No Author keywords available]

Indexed keywords

AEROACOUSTICS; BANDPASS FILTERS; CELLS; CYTOLOGY; FEEDBACK CONTROL; NOISE ABATEMENT;

ACOUSTIC COUPLING; CONTROL ASPECTS; DIGITAL FEEDBACK; DIGITAL FEEDBACK CONTROL; FXLMS ALGORITHMS; THEORETICAL STUDY; UNSTABLE BEHAVIOR; WIDE FREQUENCY RANGE;

ACOUSTIC NOISE;

EID: 85086612229     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2003-3187     Document Type: Conference Paper

References (7)

1. Elliott, S.J., Sutton, T.J., Rafaely, B. & Johnson, M. 1995, Design of feedback controllers using a feedforward approach, Active 95.
2. Furstoss, M., Thenail, D. & Galland, M.A., 1997, Surface impedance control for sound absorption: direct and hybrid passive/active strategies, Journal of Sound and Vibration, 203 (2), pp. 219-236.
3. Galland, M.A., Souchotte, P., Ladner, P. & Mazoyer, T. 2001, Hybrid passive/active liners for reducing the noise radiated by flow ducts: design and experimental results, First European Forum Material and System for Noise and Vibration Control 3-5 July 2001, Senlis, CETIM.
4. Hilbrunner, O., Galland, M.A., Sellen, N. & Perisse J. 2002, Optimization of a hybrid acoustic liner for noise reduction of engine aircraft nacelles, Active 2002.
5. Kuo, S.M. & Morgan, D.R. 1996, Active noise control systems, John Wiley & Sons.
6. Nehorai, A. 1985, A minimal parameter adaptive notch filter with constrained poles and zeros, IEEE Trans. on Acoustics, Speech and Signal Processing, 33 (4), pp. 983-996.
7. Sellen, N., Cuesta, M., Galland, M.A. 2003, Passive layer optimization for active absorbers in flow duct applications, 9th AIAA/CEAS Aeroacoustics Conference, Hilton Head, South Carolina 12-14 May 2003, 3186.