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Title: In-process surface profile assessment of rotary machined timber using a dynamic photometric stereo technique
Authors: Ogun, Philips S.
Jackson, Michael R.
Parkin, Robert M.
Keywords: Wood machining
Surface waviness
Surface inspection
Dynamic photometric stereo
Issue Date: 2012
Publisher: Sage Publications / © IMechE
Citation: OGUN, P.S., JACKSON, M.R. and PARKIN, R.M., 2012. In-process surface profile assessment of rotary machined timber using a dynamic photometric stereo technique. Proceedings of the Institution of Mechanical Engineers, Part I - Journal of Systems and Control Engineering, 226 (6), pp. 823 - 830.
Abstract: Machining operations have advanced in speed and there is an increasing demand for higher quality surface finish. It is therefore necessary to develop real-time surface inspection techniques which will provide sensory information for controlling the machining processes. This paper describes a practical method for real-time analysis of planed wood using the photometric stereo technique. Earlier research has shown that the technique is very effective in assessing surface waviness on static wood samples. In this paper, the photometric stereo method is extended to real industrial applications where samples are subjected to rapid movements. Surface profiles extracted from the dynamic photometric stereo method are compared with those from the static measurements and the results show that there is a high correlation between the two methods.
Description: This article was published in the journal, Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering [Sage Publications / © IMechE]. The definitive version is available at: http://dx.doi.org/10.1177/0959651811433121
Version: Accepted for publication
DOI: 10.1177/0959651811433121
URI: https://dspace.lboro.ac.uk/2134/15084
Publisher Link: http://dx.doi.org/10.1177/0959651811433121
ISSN: 0959-6518
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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