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Automated, on-line, calibration-free, particle size measurement using 3D profile data
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2012 (English)In: Measurement and Analysis of Blast Fragmentation: Workshop Hosted by FRAGBLAST 10 - The 10th International Symposium on Rock Fragmentation by Blasting / [ed] Jose A. Sanchidrian Blanco; Ashok Kumar Singh, Boca Raton, Fla.: CRC Press/Balkema , 2012, 23-32 p.Conference paper (Refereed)
Abstract [en]

Optimisation and control of blasting, comminution and agglomeration processes is a complex task with large potential for gains in energy efficiency and productivity in the mining and aggregates indus-tries. In order to realise these benefits, fully automated, non-contact, on-line particle size measurement tech-nology is required to provide the necessary feedback. Results from two installations are presented for measurement of crushed rock on conveyor belt from a variety of sieved products between 0 and 100mm and material from a primary crusher up to 250 mm. Detailed sieve-size distribution results are presented with results calculated directly from the 3D surface profile data of the conveyor. No calibration against sieve samples has been performed clearly demonstrating the capability of the system to operate in a plug-and-play low maintenance setup. The technology measures 3D surface profile data which is used to delineate individual particles, identify non-overlapped particles, identify areas-of-fines, and produce a sieve-size distribution.

Place, publisher, year, edition, pages
Boca Raton, Fla.: CRC Press/Balkema , 2012. 23-32 p.
Keyword [en]
Information technology - Signal processing, Civil engineering and architecture - Geoengineering and mining engineering
Keyword [sv]
Informationsteknik - Signalbehandling, Samhällsbyggnadsteknik och arkitektur - Geoteknik och gruvteknik
Research subject
Signal Processing
URN: urn:nbn:se:ltu:diva-37749Local ID: bde4c6f3-8f12-4f28-a68a-c02a5845de1cISBN: 978-0-415-62140-3ISBN: 978-0-203-38753-5 (PDF)OAI: diva2:1011247
International Symposium on Rock Fragmentation by Blasting : 24/11/2012 - 29/11/2012
Vision Systems Research Platform, VSB - Vision Systems Business Development Platform
Godkänd; 2012; 20120906 (mjt)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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