Decomposition of Intrinsic Mode Functions at DIC Key Measurement Points

Format:

Conference/Event

Author/Creator:

Jiang, J.H., author.

Conference Name:

SAE World Congress & Exhibition (2009-04-20 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2009

Summary:

Digital Image Correlation (DIC) which is used as displacement and strain measurements has advantages of full field, non-contact and considerately high precision. Therefore, DIC has great potentiality in quantitative measurement of deformation and vibration of engineering structure. In the most cases, the vibration signal measured on structure under service condition is nonlinear and non-stationary. As the prior numerical proceeding works of hybrid method of DIC and FEA, an Empirical Mode Decomposition method (EMD) is presented in this paper to obtain the Intrinsic Mode Functions (IMFs) of the vibration signal at structural key points. The EMD method can be also used to de-noise the quasi-static deformation or strain signal measured by DIC at structural key points

Notes:

Vendor supplied data

Publisher Number:

2009-01-1036

Access Restriction:

Restricted for use by site license