DocumentCode
119664
Title
Effects of modal density in system identification using the Hilbert transform
Author
Gabriele, Stefano ; Spina, Davide ; Iezzi, Fabrizio ; Valente, Claudio
Author_Institution
Dept. of Archit., Univ. “Roma Tre” of Rome, Rome, Italy
fYear
2014
fDate
17-18 Sept. 2014
Firstpage
1
Lastpage
6
Abstract
The paper aims to review and deepen the effects of the modal density in the dynamical identification with the Complex Plane Representation (CPR) method that is based on the Hilbert transform of the motion response of mechanical systems. It is demonstrated that the strong accuracy in the identification of the modal parameters with the CPR method can be somewhat corrupted for high modal densities. Theoretical and numerical solutions are used to analyze the problem and validate the CPR results.
Keywords
Hilbert transforms; mechanical products; vibrations; CPR method; Hilbert transforms; complex plane representation method; mechanical system motion response; modal density; system identification; Complexity theory; Damping; Equations; Mechanical systems; Noise; Resonant frequency; Shape; Hilbert transform; complex modes; dynamical systems; modal density; modal identification;
fLanguage
English
Publisher
ieee
Conference_Titel
Environmental Energy and Structural Monitoring Systems (EESMS), 2014 IEEE Workshop on
Conference_Location
Naples
Print_ISBN
978-1-4799-4989-2
Type
conf
DOI
10.1109/EESMS.2014.6923263
Filename
6923263
Link To Document