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Active structural-acoustic control on interior noise of a plate-cavity system using FxNLMS algorithm.

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Title: Active structural-acoustic control on interior noise of a plate-cavity system using FxNLMS algorithm.
Authors: Botti, Nicolò1 (AUTHOR), Botti, Tommaso1 (AUTHOR), Liu, Ling2 (AUTHOR), Corradi, Roberto1 (AUTHOR), Ripamonti, Francesco1 (AUTHOR) francesco.ripamonti@polimi.it
Source: Journal of Vibration & Control. Mar2026, Vol. 32 Issue 5/6, p846-859. 14p.
Subjects: Active noise & vibration control, Structural acoustics, Noise control, Model validation, Adaptive filters, Active noise control
Abstract: In recent years, environmental noise has been attracting increasing attention due to its negative impact on people's physical and mental health. One of the promising solutions to mitigate noise is the application of smart structures, whose acoustic performance is actively controlled. In the present work, an Active Structural- Acoustic Control (ASAC) strategy is developed using a plate-cavity system in order to abate the interior noise in some locations of the cavity. The employed algorithm is the Filtered-x Normalized Least Mean Squares (FxNLMS), which is typically applied to Active Noise Cancellation (ANC) problems. The peculiarity of this work is that the control is applied directly to the vibration of the plate, similar to Active Vibration Control (AVC) strategies. The major innovation in this case is that, instead of evaluating the acoustic benefits due to a vibration reduction, here the sound field is controlled directly by closing the loop on the acoustic pressure. The algorithm has been implemented in Single-Input Single-Output (SISO) and Single-Reference Multiple-Output (SRMO) configurations, where the latter is a first step toward a multichannel architecture. In contrast with many existing applications, here the cross-effects between different actuators are considered in the implementation of the algorithm, thus improving the performance in the controlled positions. The experimental test bench adopted for validation is a plate-cavity system called Noise Box, which is made up of a single-layer glass panel and a reinforced concrete structure, designed to simulate the interior sound field of a vehicle cabin. The plate was instrumented with piezoelectric patches used as actuators, while condenser microphones were used as sensors. First, a numerical model of the system was created to develop the control logic. Then, an experimental campaign was carried out to validate the results. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Vibration & Control is the property of Sage Publications, Ltd. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 191630824
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Active structural-acoustic control on interior noise of a plate-cavity system using FxNLMS algorithm.
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  Data: <searchLink fieldCode="AR" term="%22Botti%2C+Nicolò%22">Botti, Nicolò</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Botti%2C+Tommaso%22">Botti, Tommaso</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Ling%22">Liu, Ling</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Corradi%2C+Roberto%22">Corradi, Roberto</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ripamonti%2C+Francesco%22">Ripamonti, Francesco</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> francesco.ripamonti@polimi.it</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Vibration+%26+Control%22">Journal of Vibration & Control</searchLink>. Mar2026, Vol. 32 Issue 5/6, p846-859. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Active+noise+%26+vibration+control%22">Active noise & vibration control</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+acoustics%22">Structural acoustics</searchLink><br /><searchLink fieldCode="DE" term="%22Noise+control%22">Noise control</searchLink><br /><searchLink fieldCode="DE" term="%22Model+validation%22">Model validation</searchLink><br /><searchLink fieldCode="DE" term="%22Adaptive+filters%22">Adaptive filters</searchLink><br /><searchLink fieldCode="DE" term="%22Active+noise+control%22">Active noise control</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In recent years, environmental noise has been attracting increasing attention due to its negative impact on people's physical and mental health. One of the promising solutions to mitigate noise is the application of smart structures, whose acoustic performance is actively controlled. In the present work, an Active Structural- Acoustic Control (ASAC) strategy is developed using a plate-cavity system in order to abate the interior noise in some locations of the cavity. The employed algorithm is the Filtered-x Normalized Least Mean Squares (FxNLMS), which is typically applied to Active Noise Cancellation (ANC) problems. The peculiarity of this work is that the control is applied directly to the vibration of the plate, similar to Active Vibration Control (AVC) strategies. The major innovation in this case is that, instead of evaluating the acoustic benefits due to a vibration reduction, here the sound field is controlled directly by closing the loop on the acoustic pressure. The algorithm has been implemented in Single-Input Single-Output (SISO) and Single-Reference Multiple-Output (SRMO) configurations, where the latter is a first step toward a multichannel architecture. In contrast with many existing applications, here the cross-effects between different actuators are considered in the implementation of the algorithm, thus improving the performance in the controlled positions. The experimental test bench adopted for validation is a plate-cavity system called Noise Box, which is made up of a single-layer glass panel and a reinforced concrete structure, designed to simulate the interior sound field of a vehicle cabin. The plate was instrumented with piezoelectric patches used as actuators, while condenser microphones were used as sensors. First, a numerical model of the system was created to develop the control logic. Then, an experimental campaign was carried out to validate the results. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Vibration & Control is the property of Sage Publications, Ltd. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1177/10775463241305247
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 846
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      – SubjectFull: Active noise & vibration control
        Type: general
      – SubjectFull: Structural acoustics
        Type: general
      – SubjectFull: Noise control
        Type: general
      – SubjectFull: Model validation
        Type: general
      – SubjectFull: Adaptive filters
        Type: general
      – SubjectFull: Active noise control
        Type: general
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      – TitleFull: Active structural-acoustic control on interior noise of a plate-cavity system using FxNLMS algorithm.
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          Name:
            NameFull: Botti, Nicolò
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            NameFull: Botti, Tommaso
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            NameFull: Liu, Ling
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            NameFull: Corradi, Roberto
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            NameFull: Ripamonti, Francesco
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            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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              Value: 32
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            – TitleFull: Journal of Vibration & Control
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