ANALYTICAL DEVELOPMENT OF VIBRATION SIGNALS ANALYSIS USING DGHM MULTIWAVELET SYSTEM FOR LOCAL FAULTS AND TRANSIENT PHENOMENA DETECTION

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ESMAEILZADEH KHADEM S.; REZAEE M.

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

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Journal: AMIRKABIR Year:2002 | Volume:13 | Issue:49 Page(s): 127-141

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Title

ANALYTICAL DEVELOPMENT OF VIBRATION SIGNALS ANALYSIS USING DGHM MULTIWAVELET SYSTEM FOR LOCAL FAULTS AND TRANSIENT PHENOMENA DETECTION

Author(s)

ESMAEILZADEH KHADEM S. | REZAEE M. | Issue Writer Certificate

Keywords

DGHM MULTIWAVELESQ4

VIBRATION SIGNATURE ANALYSISQ4

FAULT DERECTIONQ2

Abstract

In this paper vibration analysis for local faults and transient phenomena detection, using multiwavelet systems is developed. Unlike the scalar wavelet systems in which their coefficients are scalar parameters, the transformation parameters of multiwavelet systems are vector valued, and their calculation requires some special techniques. In this investigation, having considered the technique used to obtain the scalar wavelet system coefficients as well as the orthogonality of the scale and wavelet functions of multiwavelet systems, the transformation coefficients of the multiwavelet system are calculated, and then some artificial vibration signals are analyzed using the multiwavelet system. The results are compared with those obtained through the scalar wavelet systems and frequency analysis techniques. The combination of the contributions of the analyzed signal at different levels of the multiscale and multiwavelet function spaces results in original signal which shows the validity of the results. One of the main advantages of the multiwavelet systems over the scalar wavelet systems is their ability to analyze the signal in more frequency intervals. Using this property, the detection of the local and transient phenomena from the vibration signals, which may be caused by a small and local defects in a mechanical system, may be performed more efficiently.

Cites

DESIGN AND DEVELOPMENT OF BIORTHOGONAL WAVELET SYSTEMS FOR VIBRATION SIGNATURE ANALYSIS

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APA: Copy

ESMAEILZADEH KHADEM, S., & REZAEE, M.. (2002). ANALYTICAL DEVELOPMENT OF VIBRATION SIGNALS ANALYSIS USING DGHM MULTIWAVELET SYSTEM FOR LOCAL FAULTS AND TRANSIENT PHENOMENA DETECTION. AMIRKABIR, 13(49), 127-141. SID. https://sid.ir/paper/951/en

Vancouver: Copy

ESMAEILZADEH KHADEM S., REZAEE M.. ANALYTICAL DEVELOPMENT OF VIBRATION SIGNALS ANALYSIS USING DGHM MULTIWAVELET SYSTEM FOR LOCAL FAULTS AND TRANSIENT PHENOMENA DETECTION. AMIRKABIR[Internet]. 2002;13(49):127-141. Available from: https://sid.ir/paper/951/en

IEEE: Copy

S. ESMAEILZADEH KHADEM, and M. REZAEE, “ANALYTICAL DEVELOPMENT OF VIBRATION SIGNALS ANALYSIS USING DGHM MULTIWAVELET SYSTEM FOR LOCAL FAULTS AND TRANSIENT PHENOMENA DETECTION,” AMIRKABIR, vol. 13, no. 49, pp. 127–141, 2002, [Online]. Available: https://sid.ir/paper/951/en

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