Reduced-order state-space models of structures with imposed displacements and accelerations

[en] Generating reduced state-space models of base-excited structures is of great help in control engineering but is not straightforward to implement in practice, and this problem is addressed in this work. Methods to impose non-homogeneous boundary displacements or accelerations are reviewed, and a novel relative acceleration method is proposed to treat the case of imposed displacements. Various construction approaches for state-space models having prescribed displacements or accelerations as input and including a static correction term are then developed. The theoretical developments are eventually illustrated with structures of increasing complexity, namely, a bar, a beam, and a multi-story building model.

Disciplines :

Mechanical engineering
Civil engineering

Author, co-author :

Raze, Ghislain ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux

Dumoulin, Cédric ; ULB - Université Libre de Bruxelles [BE] > Building Architecture and Town Planning (BATir)

Deraemaeker, Arnaud ; ULB - Université Libre de Bruxelles [BE] > Building Architecture and Town Planning (BATir)

Language :

English

Title :

Reduced-order state-space models of structures with imposed displacements and accelerations

Publication date :

May 2023

Journal title :

Mechanical Systems and Signal Processing

ISSN :

0888-3270

eISSN :

1096-1216

Publisher :

Elsevier BV

Volume :

191

Pages :

110156

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://api.elsevier.com/content/article/PII:S0888327023000638?httpAccept=text/xml

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique

Funding text :

Ghislain Raze is a Postdoctoral Researcher of the Fonds de la Recherche Scientifique - FNRS which is gratefully acknowledged.

Available on ORBi :

since 02 February 2023

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