Fingerprint traceability of logs using the outer shape and the tracheid effect
2008 (English)In: Forest products journal, ISSN 0015-7473, Vol. 58, no 4, 21-27 p.Article in journal (Refereed) Published
Traceability in the sawmilling industry is a concept that, among other benefits, could be used to more effectively control and pinpoint errors in the production process. The fingerprint approach is a traceability concept that in earlier studies has shown good potential for tracing logs between the log sorting station and the saw intake. In these studies, bark has been identified as a large source of measurement inaccuracy. This study was set out to investigate whether the fingerprint recognition rate could be improved when compensating for bark with traditional bark functions or a new automatic bark assessment based on the tracheid effect. The results show that the fingerprint recognition rate can be improved by using more sophisticated bark compensation. Compared to no bark compensation, improvements can be made by using the existing bark functions, and even further improvements can be made by using automatic bark assessment based on the tracheid effect. The results further show that the butt-end reducer between the log sorting station and the saw intake has a very negative effect on the fingerprint recognition rate, but that significant improvements in the recognition rate can be achieved by excluding the section of the log's butt end that is affected by the butt-end reduction.
Place, publisher, year, edition, pages
2008. Vol. 58, no 4, 21-27 p.
Research subject Wood Technology
IdentifiersURN: urn:nbn:se:ltu:diva-9563Local ID: 83656730-737d-11dd-a60f-000ea68e967bOAI: oai:DiVA.org:ltu-9563DiVA: diva2:982501
Validerad; 2008; 20080826 (ysko)2016-09-292016-09-29Bibliographically approved