Subspace-Based System Identification for an Acoustic Enclosure-Reference-Cited by-同舟云学术

Subspace-Based System Identification for an Acoustic Enclosure

Published:2002-06-12 Issue:3 Volume:124 Page:414-419
ISSN:1048-9002
Container-title:Journal of Vibration and Acoustics
language:en
Short-container-title:

Author:

McKelvey Tomas¹,Fleming Andrew²,Moheimani S. O. Reza²

Affiliation:

1. Dept. of Signals and Systems, Chalmers University of Technology, DE-412 96 Gothenburg, Sweden

2. Dept. of Electrical and Computer Eng., University of Newcastle, Callaghan, NSW 2308, Australia

Abstract

This paper is aimed at identifying a dynamical model for an acoustic enclosure, a duct with rectangular cross section, closed ends, and side-mounted speaker enclosures. Acoustic enclosures are known to be resonant systems of high order. In order to design a high performance feedback controller for an acoustic enclosure, one needs to have an accurate model of the system. Subspace-based system identification techniques have proven to be an efficient means of identifying dynamics of high order highly resonant systems. In this paper a frequency domain subspace-based method together with a second iterative optimization step minimizing a frequency domain least-squares criterion is successfully employed to identify a dynamical model for an acoustic enclosure.

Publisher

ASME International

Subject

General Engineering

Link

http://asmedigitalcollection.asme.org/vibrationacoustics/article-pdf/124/3/414/5826969/414_1.pdf

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