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The source of uncertainty in 3D laser scanner

Kamil M.S., and Kamely, A.M., and Saifudin H.Y., and Puvanasvaran, A.P., and Dan M.M.P., (2010) The source of uncertainty in 3D laser scanner. Journal of Advanced Manufacturing Technology, 4 (1). pp. 87-96. ISSN 1985-3157

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Official URL: http://www.utem.edu.my

Affiliations

Universiti Teknikal Malaysia Melaka. Faculty of Manufacturing Engineering
Universiti Teknikal Malaysia Melaka. Faculty of Manufacturing Engineering
Universiti Teknikal Malaysia Melaka. Faculty of Manufacturing Engineering
Universiti Teknikal Malaysia Melaka. Faculty of Manufacturing Engineering
Universiti Teknikal Malaysia Melaka. Faculty of Manufacturing Engineering

Abstract

3D laser scanner become popular in manufacturing field because of its capability in measuring various characteristics of part and reverse engineering. It is found that laser scanner which categorize under non-contact method is less accurate compared to the contact method. This is due to the output quality that depending on digitizing points captured during scanning. These digitizing points are affected from extrinsic and intrinsic parameters. Some of the parameters for commercial lasers are already calibrated prior to delivery. In this paper, extrinsic parameters are discussed based on LC15 laser scanner with Metris scan 4.1 software. A suggestion on model of uncertainty is suggested based on propagation of uncertainty method align with the understanding of extrinsic scanning parameters.

Item Type:Journal
Keywords:3D laser scanner, Coordinate Measuring Machine,CCD.
Subjects:T Technology, Engineering
ID Code:10918

Feng, H.Y., Yixin, L.; Feng Feng, X. (2001), “Analysis of digitizing errors of a laser scanning system”, Journal of the International Societies forprecision and Nanotechnology 25, pp. 185-191.

Gastel, N.V., Cuypers, S., Bleys, P., Kruth, JP. (2009), “A performance evaluation test for laser line scanners on CMMs”, Optics and Lasers in Engineering, 47, pp. 336-342.

Kamil M.S., and Mekid S., (2009), “Dimensional inspection of small and mesoscale component using laser scanner”, International Conference on Advanced Mechanical Engineering, ICAME 2009, 24-25 Jun, Shah Alam, Selangor, Malaysia.

Kamil M.S., (2007) “Dimension Inspection of Mesoscale Components Using Laser Scanner and CCD Camera’, (Msc Thesis), in Manufacturing Division, School of Mechanical, Aerospace and Civil Engineering, The University of Manchester, UK.

Luna, H.D,. (2005). “Investigation of Error Propagation in the Geometrical Inspection Using a CMM and Laser Scanner System”, (Msc Thesis), in Manufacturing Division, School of Mechanical, Aerospace and Civil Engineering, The University of Manchester, UK.

Mekid, S., and Luna, H.D., (2007). “Error propagation in laser scanning for dimensional inspection”, International Journal of Metrology, vol. 14, pp.44 -50.

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