Analysis of the quality problems of marking saw material in the sawmillPõlder, Ahti8th International Symposium "Topical Problems in the Field of Electrical and Power Engineering" : Doctoral School of Energy and Geotechnology. II : [Pärnu, January 11-16, 2010 : proceedings]2010 / p. 185-189 : ill Automatic products identification methodPõlder, Ahti; Juurma, Märt; Tamre, MartProceedings of the 8th International Conference of DAAAM Baltic Industrial Engineering, 19-21st April 2012, Tallinn, Estonia. 12012 / p. 338-344 : ill Automatic visual code quality evaluation for wood industryPõlder, Ahti; Abiline, Indrek; Tamre, MartProceedings of the 7th International Conference of DAAAM Baltic Industrial Engineering : 22-24th April 2010, Tallinn, Estonia. [II]2010 / p. 554-559 : ill Control of autonomous mobile robots using wireless network and MATLABVu, Trieu Minh; Tamre, Mart; Hudjakov, Robert; Shvarts, Dmitry; Põlder, Ahti; Hiiemaa, Maido; Juurma, MärtProceedings of the 11th International Conference of DAAAM Baltic Industrial Engineering : 20-22th April 2016, Tallinn, Estonia2016 / p. 235-240 : ill http://innomet.ttu.ee/daaam/ Energy efficiency aspects in wood production value chainJuurma, Märt; Põlder, Ahti10th International Symposium "Topical Problems in the Field of Electrical and Power Engineering”. Doctoral School of Energy and Geotechnology II : Pärnu, Estonia, January 10-15, 20112011 / p. 183-186 : ill Implementation of integrated wireless network and MATLAB system to control autonomous mobile robotTamre, Mart; Hudjakov, Robert; Shvarts, Dmitry; Põlder, Ahti; Hiiemaa, Maido; Juurma, MärtInternational Journal of Innovative Technology and Interdisciplinary Sciences : IJITIS2018 / p. 18-25 : ill https://doi.org/10.15157/IJITIS.2018.1.1.18-25 Improving visual code based traceability of wood productsPõlder, Ahti14th International Symposium "Topical problems in the field of electrical and power engineering. Doctoral school of energy and geotechnology. II" : Pärnu, Estonia, January 13-18, 20142014 / p. 217 "Indisputable key" - toodangu jälgitavus puidutööstusesTamre, Mart; Juurma, Märt; Põlder, AhtiTallinna Tehnikaülikooli aastaraamat 20092010 / lk. 32-35 : ill Mining waste management of Estonian mineral resourcesKaru, Veiko; Gulevitš, Julia; Rahe, Tiit; Roots, Raul; Iskül, Riho; Põlder, AhtiProceedings of the 6th International Conference on Sustainable Development in the Minerals Industry (SDIMI 2013)2013 / p. 414-419 : ill Modified fingerprint method for traceability enhancement of marked productsPõlder, Ahti9th International Symposium "Topical problems in the field of electrical and power engineering". Doctoral school of energy and geotechnology. II : Pärnu, Estonia, June 14-19, 20102010 / p. 121-125 : ill Optimal use of spectral information for waste paper detectionPõlder, Ahti; Juurma, Märt; Tamre, MartProceedings of the 9th International Conference of DAAAM Baltic Industrial Engineering, 24-26th April 2014, Tallinn, Estonia2014 / p. 273-277 : ill Overview of automatic paper sortingPõlder, Ahti12th International Symposium "Topical Problems in the Field of Electrical and Power Engineering." Doctoral School of Energy and Geotechnology II : Kuressaare, Estonia, June 11-16, 20122012 / p. 166-167 Performances of PID and different fuzzy methods for controlling a ball on beamVu, Trieu Minh; Tamre, Mart; Moezzi, Reza; Mets, Oliver; Jürise, Mart; Põlder, Ahti; Teder, Leo; Juurma, MärtOpen engineering2016 / p. 145-151 : ill https://doi.org/10.1515/eng-2016-0018 Waste paper sorting using imaging spectroscopyPõlder, Ahti; Juurma, Märt; Tamre, Mart13th International Symposium "Topical Problems in the Field of Electrical and Power Engineering." Doctoral School of Energy and Geotechnology II : Pärnu, Estonia, January 14-19, 20132013 / p. 283-284 : ill Wood products automatic identification based on fingerprint methodPõlder, Ahti; Juurma, Märt; Tamre, Mart7th International Conference Mechatronics Systems and Materials MSM 2011 : Kaunas, Lithuania, 7-9 July, 2011 : abstracts book and full papers CD2011 / [11] p https://www.researchgate.net/publication/285309496_Wood_products_automatic_identification_based_on_fingerprint_method Wood products automatic identification based on fingerprint methodPõlder, Ahti; Juurma, Märt; Tamre, MartJournal of vibroengineering2012 / p. 477-482 https://www.researchgate.net/publication/285309496_Wood_products_automatic_identification_based_on_fingerprint_method