Our manuscript «Calibration strategy for a nondestructive wood characterization tool using optimized Time-of-Flight determination and material propagation analysis» has been published in Measurement Science and Technology. This work is part of a doctoral thesis from the LIFE Wood for Future Project. This research is the result of collaboration between UIMA (Unidad de Investigación de la Madera Estructural de Andalucía) and GRANASAT (Electronics Aerospace Group), both research groups at the University of Granada. The authors of this work include Elisabet Suárez (ORCID) from ADIME, and Irene Gil Martín (ORCID) and Andrés Roldán Aranda (ORCID) from GRANASAT.
The study presents an enhanced calibration strategy for nondestructive acoustic techniques, developing an optimized Time-of-Flight detection algorithm based on the Akaike Information Criterion (AIC). This algorithm improves the precision and repeatability of measurements, eliminating manual intervention.
Experimental tests, conducted with cylindrical bars of different materials, showed that the developed prototype outperformed commercial systems in precision and computational efficiency. An aluminum bar with wood inserts was established as the reference material for calibration.
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