Consistent frequency-matching calibration procedure for electromechanical shunt absorbers

Jan Høgsberg*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Electromagnetic and piezoelectric shunt damping can be represented by an equivalent mechanical vibration absorber with a spring, dashpot, and inerter in series. A common calibration procedure for multiple electromechanical shunt absorbers is obtained by this equivalence, including a correction for the influence from residual vibration modes by additional modal terms, whose coefficients are consistently identified by frequency matching for the system with rigid absorber dashpots. The accuracy and robustness of the calibration procedure are verified numerically for an unsupported truss structure with rigid body modes
Original languageEnglish
JournalJournal of Vibration and Control
Volume26
Issue number13-14
Pages (from-to)1133–1144
ISSN1077-5463
DOIs
Publication statusPublished - 2020

Keywords

  • Vibrations
  • Electromagnetic
  • Piezoelectric
  • Shunt damping
  • Cibration absorber
  • Modal analysis

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