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Modal analysis for global control of broadband noise in a rectangular enclosure

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Modal analysis for global control of broadband noise in a rectangular enclosure. / Montazeri, Allahyar; Poshtan, Javad; Kahaei, Mohammad Hossein.
In: Low Frequency Noise, Vibration and Active Control, Vol. 26, No. 2, 06.2007, p. 91-104.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Montazeri, A, Poshtan, J & Kahaei, MH 2007, 'Modal analysis for global control of broadband noise in a rectangular enclosure', Low Frequency Noise, Vibration and Active Control, vol. 26, no. 2, pp. 91-104. https://doi.org/10.1260/026309207781894905

APA

Montazeri, A., Poshtan, J., & Kahaei, M. H. (2007). Modal analysis for global control of broadband noise in a rectangular enclosure. Low Frequency Noise, Vibration and Active Control, 26(2), 91-104. https://doi.org/10.1260/026309207781894905

Vancouver

Montazeri A, Poshtan J, Kahaei MH. Modal analysis for global control of broadband noise in a rectangular enclosure. Low Frequency Noise, Vibration and Active Control. 2007 Jun;26(2):91-104. doi: 10.1260/026309207781894905

Author

Montazeri, Allahyar ; Poshtan, Javad ; Kahaei, Mohammad Hossein. / Modal analysis for global control of broadband noise in a rectangular enclosure. In: Low Frequency Noise, Vibration and Active Control. 2007 ; Vol. 26, No. 2. pp. 91-104.

Bibtex

@article{f075ba21c9eb40a6965bbf592d08cb0b,
title = "Modal analysis for global control of broadband noise in a rectangular enclosure",
abstract = "Modal analysis for examination of the possibility of the global reduction of broadband noise in a rectangular enclosure has been studied in this paper. By developing a modal model of the acoustic environment of the enclosure the shape modes and their frequencies are obtained and on suitable bandwidth for the controller design is calculated. In order to simplify the analysis the noise sources are assumed localized and internal in one corner of the kiosk. The analysis results show that due to the existence of some degenerate modes in this application, the control action is complicated. Simulation results demonstrate how positions and number of loudspeakers and microphones will change the performance of the controller and its corresponding control effort. Based on these results and analysis a reasonable size for the controller and proper locations for sensors and actuators are proposed. Simulation results also confirm the effectiveness of the proposed system in reduction of the acoustic potential energy in the kiosk.",
keywords = "global reduction, SOUND FIELDS, rectangular enclosure, MINIMIZATION, ACTIVE CONTROL-SYSTEM, modal analysis",
author = "Allahyar Montazeri and Javad Poshtan and Kahaei, {Mohammad Hossein}",
year = "2007",
month = jun,
doi = "10.1260/026309207781894905",
language = "English",
volume = "26",
pages = "91--104",
journal = "Low Frequency Noise, Vibration and Active Control",
issn = "0263-0923",
publisher = "Multi-Science Publishing Co. Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - Modal analysis for global control of broadband noise in a rectangular enclosure

AU - Montazeri, Allahyar

AU - Poshtan, Javad

AU - Kahaei, Mohammad Hossein

PY - 2007/6

Y1 - 2007/6

N2 - Modal analysis for examination of the possibility of the global reduction of broadband noise in a rectangular enclosure has been studied in this paper. By developing a modal model of the acoustic environment of the enclosure the shape modes and their frequencies are obtained and on suitable bandwidth for the controller design is calculated. In order to simplify the analysis the noise sources are assumed localized and internal in one corner of the kiosk. The analysis results show that due to the existence of some degenerate modes in this application, the control action is complicated. Simulation results demonstrate how positions and number of loudspeakers and microphones will change the performance of the controller and its corresponding control effort. Based on these results and analysis a reasonable size for the controller and proper locations for sensors and actuators are proposed. Simulation results also confirm the effectiveness of the proposed system in reduction of the acoustic potential energy in the kiosk.

AB - Modal analysis for examination of the possibility of the global reduction of broadband noise in a rectangular enclosure has been studied in this paper. By developing a modal model of the acoustic environment of the enclosure the shape modes and their frequencies are obtained and on suitable bandwidth for the controller design is calculated. In order to simplify the analysis the noise sources are assumed localized and internal in one corner of the kiosk. The analysis results show that due to the existence of some degenerate modes in this application, the control action is complicated. Simulation results demonstrate how positions and number of loudspeakers and microphones will change the performance of the controller and its corresponding control effort. Based on these results and analysis a reasonable size for the controller and proper locations for sensors and actuators are proposed. Simulation results also confirm the effectiveness of the proposed system in reduction of the acoustic potential energy in the kiosk.

KW - global reduction

KW - SOUND FIELDS

KW - rectangular enclosure

KW - MINIMIZATION

KW - ACTIVE CONTROL-SYSTEM

KW - modal analysis

U2 - 10.1260/026309207781894905

DO - 10.1260/026309207781894905

M3 - Journal article

VL - 26

SP - 91

EP - 104

JO - Low Frequency Noise, Vibration and Active Control

JF - Low Frequency Noise, Vibration and Active Control

SN - 0263-0923

IS - 2

ER -