Article (Scientific journals)
Modal-based synthesis of passive electrical networks for multimodal piezoelectric damping
Raze, Ghislain; Dietrich, Jennifer; Lossouarn, Boris et al.
2022In Mechanical Systems and Signal Processing, 176, p. 109120
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Keywords :
Vibration mitigation; Piezoelectric damping; Multimodal vibration absorber; Passive control; Electrical network; Electromechanical analogy
Abstract :
[en] This work presents a new approach to design an electrical network which, when coupled to a structure through an array of piezoelectric transducers, provides multimodal vibration mitigation. The characteristics of the network are specified in terms of modal properties. On the one hand, the electrical resonance frequencies are chosen to be close to those of the targeted set of structural modes. On the other hand, the electrical mode shapes are selected to maximize the electromechanical coupling between the mechanical and electrical modes while guaranteeing the passivity of the network. The effectiveness of this modal-based synthesis is demonstrated using a free–free beam and a fully clamped plate.
Disciplines :
Mechanical engineering
Electrical & electronics engineering
Aerospace & aeronautics engineering
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Raze, Ghislain  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Dietrich, Jennifer  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Lossouarn, Boris;  Convservatoire National des Arts et Métiers > Laboratoire de Mécanique des Structures et des Systèmes Couplés
Kerschen, Gaëtan  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Language :
English
Title :
Modal-based synthesis of passive electrical networks for multimodal piezoelectric damping
Publication date :
August 2022
Journal title :
Mechanical Systems and Signal Processing
ISSN :
0888-3270
eISSN :
1096-1216
Publisher :
Elsevier BV
Volume :
176
Pages :
109120
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
SPW - Service Public de Wallonie [BE]
Funding number :
WALInnov grant 1610122
Available on ORBi :
since 22 April 2022

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