Article (Scientific journals)
Shunts vs networks: tuning and comparison of centralized and decentralized piezoelectric vibration absorbers
Raze, Ghislain; Dietrich, Jennifer; Lossouarn, Boris et al.
2022In Smart Materials and Structures, 31 (11), p. 115006
Peer reviewed
 

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Keywords :
Piezoelectric shunt; Electrical network; Multimodal vibration mitigation; Passive control; Digital vibration absorber
Abstract :
[en] This work develops a unified modeling framework for piezoelectric structures controlled by passive shunts connected to a single transducer and/or networks interconnecting multiple transducers. A common tuning procedure for these different control approaches, termed decentralized and centralized approaches, respectively, is proposed. The generic model is then used to compare them in terms of vibration mitigation performance. It is shown that decentralization can be detrimental to performance in general. Digital vibration absorbers are then leveraged to realize the shunts and/or networks. In this regard, the proposed tuning procedure solely relies on characteristics that can be identified from the digital units of these absorbers. The theoretical developments are numerically and experimentally validated on piezoelectric beams.
Disciplines :
Aerospace & aeronautics engineering
Electrical & electronics engineering
Mechanical 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 > Aérospatiale et Mécanique (A&M)
Lossouarn, Boris;  Laboratoire de Mécanique des Structures et des Systèmes Couplés, Conservatoire national des arts et métiers, Paris, France
Kerschen, Gaëtan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Language :
English
Title :
Shunts vs networks: tuning and comparison of centralized and decentralized piezoelectric vibration absorbers
Publication date :
November 2022
Journal title :
Smart Materials and Structures
ISSN :
0964-1726
eISSN :
1361-665X
Publisher :
Institute of Physics
Volume :
31
Issue :
11
Pages :
115006
Peer reviewed :
Peer reviewed
Funders :
SPW - Service Public de Wallonie [BE]
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Funding number :
WALInnov Grant 1610122
Funding text :
Ghislain Raze is a Postdoctoral Researcher of the Fonds de la Recherche Scientifique—FNRS which is gratefully acknowledged. The authors would also like to acknowledge the financial support of the SPW (WALInnov Grant 1610122).
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