NDLI: Fault diagnosis of cracked rotor using phase wavelet map

Content Provider	IEEE Xplore Digital Library
Author	Zou, J. Li, S.D. Hu, C.Q. Dong, G.M.
Copyright Year	2011
Description	Author affiliation: State Key Lab of Mechanical System and Vibration, Shanghai Jiaotong University, 200240, China (Dong, G.M.) \|\| School of Mechanical Engineering, Qingdao Agricultural University, 266109, China (Zou, J.; Li, S.D.; Hu, C.Q.)
Abstract	Based on the simple hinge crack model, the dynamic equation of a rotor containing transverse crack and initial deflection is modelled in dimensionless form, which can be applied to the vibration analysis of cracked rotor with different parameters at stationary, transient and nonlinear state. By analytical solution, the frequency components of the cracked rotor with initial deflection are analyzed, and the subcritical resonance is discussed. The wavelet transform is introduced into the fault diagnosis of cracked rotor, and the features of phase wavelet map in the cracked rotor are compared with those in the uncracked rotor, which can be used as criteria for identification of cracked rotor. Experiment verifies the validity and feasibility of the proposed algorithm.
Starting Page	471
Ending Page	475
File Size	647852
Page Count	5
File Format	PDF
ISBN	9781457708350
ISSN	20937121
e-ISBN	9788993215038
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-26
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	ICROS
Subject Keyword	Wavelet transforms Vibrations Shafts phase initial deflection Rotors wavelet cracked rotor subcritical resonance Wavelet analysis Harmonic analysis transverse crack
Content Type	Text
Resource Type	Article

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