Chebyshev descriptors for SHM with acoustic emission and acousto ultrasonics
نویسندگان
چکیده
منابع مشابه
Chebyshev Descriptors for SHM with Acoustic Emission and Acousto Ultrasonics
Design/methodology/approach – Two tests were performed, one on Acoustic Emission artificial signals generated on a CFRP plate and one on an Acousto Ultrasonic setup used for actively detecting impact damage. The waveforms were represented using a data reduction technique based on the Daubechies wavelet and an image processing technique using Chebyshev moments approximation, to get 32 descriptor...
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The main objective of this study is to develop an alternative criterion for modeshape classification, as the currently available one, MAC (Modal Assurance Criteria), is only a vector correlation representing modeshape similarities. This new method is developed to provide a set of features (Fourier Descriptors) for comparing modeshapes with “local” similarities of higher interest than “global” s...
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ژورنال
عنوان ژورنال: International Journal of Structural Integrity
سال: 2014
ISSN: 1757-9864
DOI: 10.1108/ijsi-04-2014-0013