...Bovic Kilundu; Xavier Chiementin; Pierre Dehombreux In this work, singular spectrum analysis is employed to process vibration signals resulting from rolling bearings. A monitoring indicator is defined from the fact that the structure of a signal recorded from a bearing becomes more complex when...

... classification accuracy of 97% was obtained over a range of rotating speeds. 08 07 2010 30 10 2010 09 09 2011 09 09 2011 fault diagnosis feature extraction materials testing neural nets pattern classification rolling bearings vibrations Using Parzen’s window...

... 2010 11 04 2011 11 04 2011 ball bearings rolling bearings vibrations rolling element bearing condition monitoring diagnosis vibration surface roughness rolling contact shot noise Rolling element bearings are widely used in the rotating machinery, and knowledge...

... may include multiple gear meshes, flexible shafts, rolling element bearings, housing structures, and other deformable components. finite element analysis frequency-domain analysis gears mechanical contact rolling bearings shafts vibrations Gear vibration is transferred...

...Shumin Hou; Yourong Li; Zhigang Wang; Ming Liang The resonance demodulation technique has been widely used to detect rolling bearing faults based on the signal acquired by piezoelectric accelerometers. However, this method is ineffective in extremely low speed applications due to the instrument...

.... 0888-3270 , 18 ( 5 ), pp. 1077 – 1095 . 10.1016/S0888-3270(03)00077-3 31 10 2008 28 08 2009 20 11 2009 fault diagnosis feature extraction rolling bearings vibrations feature extraction weighted K nearest neighbor combination rolling element bearing fault...

... testing acoustic measurement deformation rolling bearings structural acoustics vibrations acoustic emission rolling element bearing condition monitoring autocorrelation function parameter analysis The experimental test rig The AE data acquisition system consisted...

...Khalid F. Al-Raheem; Asok Roy, Ph.D.; K. P. Ramachandran, Ph.D.; D. K. Harrison; Steven Grainger, Ph.D. A new technique for an automated detection and diagnosis of rolling bearing faults is presented. The time-domain vibration signals of rolling bearings with different fault conditions...

... comparative results between AE and vibration diagnosis. 23 10 2007 30 04 2008 15 07 2008 acoustic emission condition monitoring cracks rolling bearings vibrations Slow speed rotating machines are the mainstay of several industrial applications worldwide. They can be found...

... 2007 03 04 2008 adaptive systems fault diagnosis feature extraction filtering theory fuzzy neural nets genetic algorithms Hilbert transforms inference mechanisms locomotives mechanical engineering computing pattern classification rolling bearings statistical analysis time...

...Ruqiang Yan; Robert X. Gao This paper presents a signal decomposition and feature extraction technique for the health diagnosis of rotary machines, based on the empirical mode decomposition. Vibration signal measured from a defective rolling bearing is decomposed into a number of intrinsic mode...

... Technology of Vibration and Sound , Hiroshima, pp. 311 – 315 . Ogata , K. , 1970 , Modern Control Engineering , Prentice-Hall , Englewood Cliffs NJ . ball bearings rolling bearings disc drives optical disc storage vibrations mechanical stability springs (mechanical) rods...

... sizes on outer rings and inner rings of ball bearings. 07 09 2006 19 03 2007 The rolling bearing is considered to be a critical component in the rotating machine. Indeed, bearing races support cyclic loading and hence may be degraded by fatigue. Fatigue, when occurring, creates...

... York. flaw detection ultrasonic materials testing rolling bearings structural acoustics wavelet transforms vibrations condition monitoring entropy resonance Recently, researchers have begun to draw their attention to the time-frequency distribution and wavelet transform...

..., Grant No. ECS-9906218. vibrations structural acoustics fault diagnosis flaw detection induction motors hidden Markov models feature extraction rolling bearings 10 05 2002 23 09 2004 2005 American Society of Mechanical Engineers ...