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Modelling, system identification, and control of acoustic?structure dynamics in 3-D enclosures   
摘  要:   Abstract This paper addresses modelling, system identification, and control of acoustic–structure interaction dynamics for 3-D enclosures. The specific configuration,of interest is the one in which an acoustic disturbance,is created by one of the vibrating boundaries,of the enclosure such as in the case of aircraft cabin noise. The modelling,techniques developed,in this paper can be used to obtain finite- dimensional,approximate,models,(time-domain as well as frequency-domain) suitable for control design. The mathematical modelling,approach,presented in this paper can be extended,to model,a broad class of acoustic–structure systems. The modelling methodology,is demonstrated,on a 3-D acoustic enclosure built in laboratory for experimental,verification. The analytical model,is compared,with the experimental,data. The transfer function and state-space models,are also obtained,from,experimental,data using system,identification techniques. Differences in analytical and,experimentally,identified models,are discussed and,control design strategies along with experimental,results are presented,for broadband,reduction,of noise. r,2004 Elsevier Ltd. All rights reserved. Keywords: Active noise control; Acoustic–structure interaction; Modelling and control; Broadband,control; Acoustic modelling
发  表:   Control Engineering Practice  2004

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