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Multi-tonal vibration suppression in flexible airframe structures via a semi-active shunted piezoelectric tuned mass damper.

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Title: Multi-tonal vibration suppression in flexible airframe structures via a semi-active shunted piezoelectric tuned mass damper.
Authors: Chatziathanasiou, Grigorios M.1 (AUTHOR), Chrysochoidis, Nikolaos A.1 (AUTHOR) nchr@mech.upatras.gr, Saravanos, Dimitris A.1 (AUTHOR)
Source: Journal of Vibration & Control. Jul2026, Vol. 32 Issue 13/14, p3408-3421. 14p.
Subjects: Tuned mass dampers, Airframes, Electric impedance, Vibration isolation, Acoustic vibrations, Vibration absorbers, Rotor vibration
Abstract: Multiple and frequency-varying tonal vibrations are a common problem in flexible structures, such as lightweight means of transportation, induced by engine speed/rotor rotations, and their harmonics. A Semi-Active piezoelectric Tuned Mass Damper (SATMD) is developed for the suppression of these excitations, which consists of a resonant mass and a combined spring-piezoelectric device connected to an external resistive-inductive electric circuit. Calibrated alterations of the shunt circuit impedance do not simply adjust the anti-resonance of the auxiliary mass to potential frequency fluctuations, ensuring optimal performance within this frequency range, but also introduce a second—also tunable—anti-resonance, associated with the eigenfrequency of the electric current. As a result, this enables effective multi-tonal vibration control, even in distant frequency vicinities, using a lightweight antivibration device. These vibration suppression effects are first numerically and experimentally demonstrated on a down-scaled simplified airframe model. Then, the SATMD is attached to the airframe of a BO 105 S helicopter, and its vibration control capabilities are tested in actual flight conditions. [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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  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 194727606
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Multi-tonal vibration suppression in flexible airframe structures via a semi-active shunted piezoelectric tuned mass damper.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Vibration+%26+Control%22">Journal of Vibration & Control</searchLink>. Jul2026, Vol. 32 Issue 13/14, p3408-3421. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Tuned+mass+dampers%22">Tuned mass dampers</searchLink><br /><searchLink fieldCode="DE" term="%22Airframes%22">Airframes</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+impedance%22">Electric impedance</searchLink><br /><searchLink fieldCode="DE" term="%22Vibration+isolation%22">Vibration isolation</searchLink><br /><searchLink fieldCode="DE" term="%22Acoustic+vibrations%22">Acoustic vibrations</searchLink><br /><searchLink fieldCode="DE" term="%22Vibration+absorbers%22">Vibration absorbers</searchLink><br /><searchLink fieldCode="DE" term="%22Rotor+vibration%22">Rotor vibration</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Multiple and frequency-varying tonal vibrations are a common problem in flexible structures, such as lightweight means of transportation, induced by engine speed/rotor rotations, and their harmonics. A Semi-Active piezoelectric Tuned Mass Damper (SATMD) is developed for the suppression of these excitations, which consists of a resonant mass and a combined spring-piezoelectric device connected to an external resistive-inductive electric circuit. Calibrated alterations of the shunt circuit impedance do not simply adjust the anti-resonance of the auxiliary mass to potential frequency fluctuations, ensuring optimal performance within this frequency range, but also introduce a second—also tunable—anti-resonance, associated with the eigenfrequency of the electric current. As a result, this enables effective multi-tonal vibration control, even in distant frequency vicinities, using a lightweight antivibration device. These vibration suppression effects are first numerically and experimentally demonstrated on a down-scaled simplified airframe model. Then, the SATMD is attached to the airframe of a BO 105 S helicopter, and its vibration control capabilities are tested in actual flight conditions. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  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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    Identifiers:
      – Type: doi
        Value: 10.1177/10775463251341365
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 14
        StartPage: 3408
    Subjects:
      – SubjectFull: Tuned mass dampers
        Type: general
      – SubjectFull: Airframes
        Type: general
      – SubjectFull: Electric impedance
        Type: general
      – SubjectFull: Vibration isolation
        Type: general
      – SubjectFull: Acoustic vibrations
        Type: general
      – SubjectFull: Vibration absorbers
        Type: general
      – SubjectFull: Rotor vibration
        Type: general
    Titles:
      – TitleFull: Multi-tonal vibration suppression in flexible airframe structures via a semi-active shunted piezoelectric tuned mass damper.
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            NameFull: Chatziathanasiou, Grigorios M.
      – PersonEntity:
          Name:
            NameFull: Chrysochoidis, Nikolaos A.
      – PersonEntity:
          Name:
            NameFull: Saravanos, Dimitris A.
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          Dates:
            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 32
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              Value: 13/14
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            – TitleFull: Journal of Vibration & Control
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