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Classification of the acoustic emission signals of rubbing, ploughing and cutting during single grit scratch tests

Griffin, James Marcus and Chen, Xun (2006) Classification of the acoustic emission signals of rubbing, ploughing and cutting during single grit scratch tests. International Journal of Nanomanufacturing, 1 (2). pp. 189-209. ISSN 1746-9392

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Abstract

The material process in grinding involves rubbing, ploughing and cutting. Rubbing and ploughing, which usually occur before or after cutting, essentially mean the energy is being applied less efficiently than cutting. It is therefore important to identify the effects of these different phenomena experienced during grinding. A fundamental investigation has been made with Single Grit (SG) cutting tests. To identify the different phenomena, Acoustic Emission (AE) signals extracted by sensor would give the information relating to the groove profile in terms of material removal and deformation. Each AE signal profile would be accurately measured against the surface profile measurements providing the dimensions of the indented groove made into the aerospace material test pieces. A combination of filters, Short-Time Fourier Transform (STFT), Wavelets Transform (WT), statistical windowing of the WT would provide the principal components for classifying different levels of SG cutting phenomenon. Classification would be obtained from a Neural Network (NN) paradigm

Item Type: Article
Subjects: T Technology > T Technology (General)
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
School of Computing and Engineering > Centre for Precision Technologies > Advanced Machining Technology Group
School of Computing and Engineering > Diagnostic Engineering Research Centre
School of Computing and Engineering > Diagnostic Engineering Research Centre > Measurement System and Signal Processing Research Group
School of Computing and Engineering > Informatics Research Group
School of Computing and Engineering > Informatics Research Group > XML, Database and Information Retrieval Research Group
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Depositing User: Sharon Beastall
Date Deposited: 03 Mar 2011 12:38
Last Modified: 03 Mar 2011 12:38
URI: http://eprints.hud.ac.uk/id/eprint/9709

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