Method and equipment for inertia parameter identification

In this paper an equipment and a procedure for the determination of large object inertia parameter are described. The procedure is based on the rigid-body complete motion equation. A least-square optimization is used to identify the 10 inertia parameters starting from the experimental data acquired...

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Bibliographic Details
Published in:Mechanical systems and signal processing 2010, Vol.24 (1), p.29-40
Main Authors: Brancati, Renato, Russo, Riccardo, Savino, Sergio
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Inertia tensor
Measurement and testing methods
Measurements
Parameters identification
Physics
Solid mechanics
Structural and continuum mechanics
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Description
Summary:In this paper an equipment and a procedure for the determination of large object inertia parameter are described. The procedure is based on the rigid-body complete motion equation. A least-square optimization is used to identify the 10 inertia parameters starting from the experimental data acquired during both, static and dynamic tests. The equipment, named BTI (in Italian: Banco Tensore d’Inerzia), and the identification procedure have been calibrated using structures made of double T beam elements opportunely assembled in order to realize different standard specimens. The results of the above calibration are presented.
ISSN:0888-3270
1096-1216
DOI:10.1016/j.ymssp.2009.06.008