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Application of vibration signal measurement for monitoring grinding parameters
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.
1994 (English)In: Mechanical systems and signal processing, ISSN 0888-3270, E-ISSN 1096-1216, Vol. 8, no 6, p. 703-713Article in journal (Refereed) Published
Abstract [en]

Vibration signal measurements are discussed for monitoring operating parameters in a laboratory-scale ball mill. The vibration signal was first picked up with an accelerometer, amplified by a vibrometer and then transmitted to a DAT recorder during the entire testing period. The signal on the DAT recorder was resampled and converted into IBM compatible personal computer readable data format using a digital oscilloscope. The vibration signal analyses included rms estimation, power spectral estimation, waterfall plot, principal component analysis and stepwise multiple regression analysis. Clear differences in the rms and the spectra are found for different grinding conditions. Three principal components described about 95% of the total variation in the spectra. Each principal component was related mainly to one to three major frequency bands. Close correlation was found between the vibration signal and grinding parameters. Therefore, an alternative method can be developed for monitoring the operating parameters in a ball mill.

Place, publisher, year, edition, pages
1994. Vol. 8, no 6, p. 703-713
National Category
Metallurgy and Metallic Materials
Research subject
Mineral Processing
Identifiers
URN: urn:nbn:se:ltu:diva-9487DOI: 10.1006/mssp.1994.1050ISI: A1994PZ46300008Scopus ID: 2-s2.0-0343484499Local ID: 8212d650-0a69-11de-9f31-000ea68e967bOAI: oai:DiVA.org:ltu-9487DiVA, id: diva2:982425
Note
Godkänd; 1994; 20090306 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Forssberg, Eric

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