BISPECTRUM FOR FAULT DIAGNOSIS IN ROTATING MACHINES

被引：0
|
作者：
Elbhbah, Keri [1 ]
Sinha, Jyoti K. [1 ]
机构：
[1] Univ Manchester, Sch Mech Aerosp & Civil Engn, Sackville St,POB 88, Manchester M60 1QD, Lancs, England
来源：
PROCEEDINGS OF THE 17TH INTERNATIONAL CONGRESS ON SOUND AND VIBRATION | 2010年
关键词：
HIGHER-ORDER SPECTRA;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The present state-of-the-art in the vibration based condition monitoring of rotating machines requires a number of vibration transducers at each bearing pedestal of a rotating machine to identify faults, if any in the machine. In the present paper, the use of the bispectrum has been proposed for the fault diagnosis in rotating machines. It is because it may possibly reduce the number of vibration transducers at each bearing pedestal in rotating machines in future. The paper presents the comparison of the bispectrum results for three cases, namely; Healthy, Misaligned shaft and Shaft Rub on an experimental rig consisting of two rigidly coupled shafts supported through 4 ball bearings. Only one accelerometer at each bearing pedestal has been used for this purpose and the initial results observed to be encouraging.
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页数：8
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