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dc.contributor.authorGarg, Paras
dc.contributor.authorPatil, Amitkumar
dc.contributor.authorSoni, Gunjan
dc.contributor.authorKeprate, Arvind
dc.contributor.authorArora, Seemant
dc.date.accessioned2022-03-09T08:26:00Z
dc.date.available2022-03-09T08:26:00Z
dc.date.created2021-11-30T00:04:31Z
dc.date.issued2021-11-04
dc.identifier.citationReliability: Theory & Applications. 2021, 16 176-187.en_US
dc.identifier.issn1932-2321
dc.identifier.urihttps://hdl.handle.net/11250/2983884
dc.description.abstractThe fundamental basis of Industry 4.0 is to make the manufacturing sector more productive and autonomous. In the manufacturing sector, practitioners always long for product quality improvement, reducing reworking costs, enhancing first pass yield in production or assembly line, in this regard anomaly detection, is becoming popular and is widely used. With the integration of anomaly detection models and Artificial Intelligence-based condition monitoring systems, industries have attained promising results in achieving these goals. However, it is a highly complex task to extract meaningful information from the large amount of data generated by the manufacturing systems. Hence, in this paper, effective machine-learning-based anomaly detection and prediction model has been proposed. A two-phase model is presented in this study and is validated for abnormality detection in the assembly line of vacuum pumps. In the first phase, a random forest algorithm is used to predict the pump vacuum. Based on the actual and predicted values, the error is computed. Then, EWMA (Exponentially Weighted Moving Average) chart is employed to detect the anomalies. In the second phase of the proposed model, based on the EWMA chart and calculated error, anomaly prediction is done. For better prediction results, statistical features are extracted from the error values and used as input for the second phase. To validate the proposed approach, other machine learning models SVR, Decision Tree, Logistic Regression, KNN and SVC have been compared. A statistical method EWMA chart is also integrated with random forest.en_US
dc.language.isoengen_US
dc.publisherGnedenko Forumen_US
dc.relation.ispartofseriesReliability: Theory & Applications;Special Issue No 2(64), Volume 16, November 2021
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.subjectAbnormality detectionen_US
dc.subjectAbnormality predictionsen_US
dc.subjectMachine learningen_US
dc.subjectProcess controlsen_US
dc.subjectAssembly linesen_US
dc.subjectMechanical vacuum pumpsen_US
dc.titleMachine learning-based abnormality detection approach for vacuum pump assembly lineen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode1
dc.identifier.doihttps://doi.org/10.24412/1932-2321-2021-264-176-187
dc.identifier.cristin1961296
dc.source.journalReliability: Theory & Applicationsen_US
dc.source.volume16en_US
dc.source.issue2en_US
dc.source.pagenumber176-187en_US


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