EXPERIMENTAL AND NUMERICAL EVALUATION OF WAVELET BASED DAMAGE DETECTION METHODOLOGIES

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QUINONES MIREYA M.; MONTEJO LUIS A.; JANG SHINAE

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING Year:2015 | Volume:7 | Issue:1 Page(s): 69-80

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Information Journal Paper

Title

EXPERIMENTAL AND NUMERICAL EVALUATION OF WAVELET BASED DAMAGE DETECTION METHODOLOGIES

Author(s)

QUINONES MIREYA M. | MONTEJO LUIS A. | JANG SHINAE | Issue Writer Certificate

Keywords

CONTINUOUS WAVELET TRANSFORM DISCRETE WAVELET TRANSFORM FAST WAVELET TRANSFORM HEALTH MONITORING DAMAGE DETECTION

Abstract

This article presents an evaluation of the capabilities of wavelet-based methodologies for damage identification in civil structures. Two different approaches were evaluated: (1) analysis of the structure frequencies evolution by means of the continuous wavelet transform and (2) analysis of the singularities generated in the high frequency response of the structure through the detail functions obtained via fast wavelet transform. The methodologies were evaluated using experimental and numerical simulated data. It was found that the selection of appropriate wavelet parameters is critical for a successful analysis of the signal. Wavelet parameters should be selected based on the expected frequency content of the signal and desired time and frequency resolutions. Identifications of frequency shifts via ridge extraction of the wavelet map were successful in most of the experimental and numerical scenarios investigated. Moreover, the frequency shift can be inferred most of the time but the exact time at which it occurs is not evident. However, this information can be retrieved from the spike location from the Fast Wavelet Transform analysis. Therefore, it is recommended to perform both type of analysis and look at the results together.

Cites

ON THE IDENTIFICATION OF DAMPING FROM NON-STATIONARY FREE DECAY SIGNALS USING MODERN SIGNAL PROCESSING TECHNIQUES

References

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APA: Copy

QUINONES, MIREYA M., MONTEJO, LUIS A., & JANG, SHINAE. (2015). EXPERIMENTAL AND NUMERICAL EVALUATION OF WAVELET BASED DAMAGE DETECTION METHODOLOGIES. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 7(1), 69-80. SID. https://sid.ir/paper/319793/en

Vancouver: Copy

QUINONES MIREYA M., MONTEJO LUIS A., JANG SHINAE. EXPERIMENTAL AND NUMERICAL EVALUATION OF WAVELET BASED DAMAGE DETECTION METHODOLOGIES. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2015;7(1):69-80. Available from: https://sid.ir/paper/319793/en

IEEE: Copy

MIREYA M. QUINONES, LUIS A. MONTEJO, and SHINAE JANG, “EXPERIMENTAL AND NUMERICAL EVALUATION OF WAVELET BASED DAMAGE DETECTION METHODOLOGIES,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 7, no. 1, pp. 69–80, 2015, [Online]. Available: https://sid.ir/paper/319793/en

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