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dc.contributor.authorJang, Hyong Doo
dc.date.accessioned2020-04-16T13:59:31Z
dc.date.available2020-04-16T13:59:31Z
dc.date.issued2020
dc.identifier.citationJang, H.D. 2020. Damage Diagnosis of Drill Bit while Drilling using Wavelet Transform Analysis. Explosives & Blasting. 38 (1): pp. 14-22.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/78706
dc.identifier.doi10.22704/ksee.2020.38.1.014
dc.description.abstract

Bit damage is one of the primary causes of decreasing drilling efficacy. Nevertheless the management of bit ware and failure are often left for field engineers' experience. Thus it is imperative to establish a proper system to predict and manage the bit damage during the rock drilling process. In this study, the drilling sound signal has been recorded and analyzed using wavelet transform analysis to identify the exact moment of bit failure. Through the analysis wavelet time-frequency spectrums have been constructed and an abnormal point has been identified with 0.9 of wavelet transform value at the 652.8s on a frequency band around 500Hz. Furthermore it is also observed that the penetration rate of the damaged bit has been decreased to 23mm/s which is 9mm/sec lower than the average of undamaged bit. The study verifies that wavelet transform analysis can be used to build a system to diagnose the bit damage while drilling.

dc.languageKorean
dc.publisherKorean Society of Explosives and Blasting Engineering
dc.relation.urihttps://www.koreascience.or.kr/article/JAKO202010060597294.page
dc.subject0914 - Resources Engineering and Extractive Metallurgy
dc.titleDamage Diagnosis of Drill Bit while Drilling using Wavelet Transform Analysis
dc.typeJournal Article
dcterms.source.volume38
dcterms.source.number1
dcterms.source.startPage14
dcterms.source.endPage22
dcterms.source.issn1229-9073
dcterms.source.titleExplosives & Blasting
dc.date.updated2020-04-16T13:59:00Z
curtin.departmentWASM: Minerals, Energy and Chemical Engineering
curtin.accessStatusOpen access via publisher
curtin.facultyFaculty of Science and Engineering
curtin.contributor.orcidJang, Hyong Doo [0000-0002-3978-5840]
curtin.contributor.scopusauthoridJang, Hyong Doo [55797412200]


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