Application of morphological operators as envelope extractors for impulsive-type periodic signals

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dc.contributor.author Nlkolaou, NG en
dc.contributor.author Antoniadis, IA en
dc.date.accessioned 2014-03-01T01:18:41Z
dc.date.available 2014-03-01T01:18:41Z
dc.date.issued 2003 en
dc.identifier.issn 0888-3270 en
dc.identifier.uri http://hdl.handle.net/123456789/15148
dc.subject Morphological Analysis en
dc.subject Morphological Operation en
dc.subject Time Domain en
dc.subject.classification Engineering, Mechanical en
dc.subject.other Bearings (machine parts) en
dc.subject.other Erosion en
dc.subject.other Gears en
dc.subject.other Machine vibrations en
dc.subject.other Morphology en
dc.subject.other Wear of materials en
dc.subject.other Dilation en
dc.subject.other Rotating machinery en
dc.title Application of morphological operators as envelope extractors for impulsive-type periodic signals en
heal.type journalArticle en
heal.identifier.primary 10.1006/mssp.2002.1576 en
heal.identifier.secondary http://dx.doi.org/10.1006/mssp.2002.1576 en
heal.language English en
heal.publicationDate 2003 en
heal.abstract Impulsive-type periodic signals characterise the vibration response of machines subjected to frequent defects or wear of typical machine parts, like bearings or gears. Processing of the above signals entirely in the time domain is considered, using morphological analysis. The basic morphological operators (dilation, erosion, opening, closing) are used for construction of the envelope of impulsive-type periodic vibration signals. The effect of the type of the morphological operator and of the structuring element on the shape of the envelope is examined, The basic idea is to extract information from the time-domain shape of the signal, corresponding to the initial impulse series. The procedure is evaluated using simulated impulsive signals, as well as vibration signals, measured on two defective bearings of an industrial installation, which presents, respectively, an outer race fault and an inner race fault. (C) 2003 Published by Elsevier Science Ltd. en
heal.journalName Mechanical Systems and Signal Processing en
dc.identifier.doi 10.1006/mssp.2002.1576 en
dc.identifier.isi ISI:000184852000001 en
dc.identifier.volume 17 en
dc.identifier.issue 6 en
dc.identifier.spage 1147 en
dc.identifier.epage 1162 en

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