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An indirect approach to investigating the dynamics of a structure containing ball bearings
Čermelj, Primož (Author), Boltežar, Miha (Author)

URLURL - Presentation file, Visit http://www.sciencedirect.com/science/journal/0022460X This link opens in a new window

Abstract
This study introduces an integrated approach to the transmission of bearing vibrations in a generalized sense where the bearing is presented as a three-dimensional joint-model. A specially manufactured device and a corresponding analytical model are presented in order to compare experimental and numerical methods for investigating bearing transmission and bearing identification. Based on a multi-degree-of-freedom dynamic analysis, a predefined three-dimensional model of the bearing is used in a frequency domain synthesis with analytical and experimental modal analyses and FEM updating in order to obtain the system's overall dynamic properties. Such an approach separates the model of the bearing and its investigation from the remaining linear part of the whole system, which speeds up the computation andbroadens the investigationćs capabilities. A bearing-identification algorithm, using a perturbation approach with frequency response sensitivitiesand correlation analysis, is proposed, together with the requiredfrequency response functionćs measurements and identification results.

Language:English
Keywords:modalne analize, dinamične lastnosti, identifikacijski algoritmi
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2004
Number of pages:str. 401-417
Numbering:Letn. 276, št. 1/2
UDC:621.822.7:534.1
ISSN on article:0022-460X
COBISS.SI-ID:7419931 Link is opened in a new window
Views:839
Downloads:309
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Record is a part of a journal

Title:Journal of sound and vibration
Shortened title:J. Sound Vib.
Publisher:Academic Press
ISSN:0022-460X
COBISS.SI-ID:540946 This link opens in a new window

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