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Pellet size estimation using spherical fitting
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2007 (English)In: 2007 IEEE Instrumentation and Measurement Technology Conference Proceedings: Warsaw, Poland, 1 - 3 May 2007, Piscataway, NJ: IEEE Communications Society, 2007, 1-5 p.Conference paper (Refereed)
Abstract [en]

Evaluation of Spherical Fitting as a technique for sizing iron ore pellets is performed. Size measurement of pellet in industry is usually performed by manual sampling and sieving techniques. Automatic on-line analysis of pellet size would allow non-invasive, frequent and consistent measurement. Previous work has used an assumption that pellets are spherical to estimate pellet sizes. In this research we use a 3D laser camera system in a laboratory environment to capture 3D surface data of pellets and steel balls. Validation of the 3D data against a spherical model has been performed and demonstrates that pellets are not spherical and have physical structures that a spherical model cannot capture.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2007. 1-5 p.
Research subject
Signal Processing
URN: urn:nbn:se:ltu:diva-37611DOI: 10.1109/IMTC.2007.379014Local ID: badf49d0-3aa6-11dc-b411-000ea68e967bISBN: 1-4244-0588-2 (PDF)OAI: diva2:1011109
IEEE Instrumentation & Measurement Technology Conference : 01/05/2007 - 03/05/2007
3D Mätning Projekt
Godkänd; 2007; 20070725 (tobiasa)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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Andersson, TobiasThurley, MatthewMarklund, Olov
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