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An Analysis of Uncertainty and Robustness of Waterjet Machine Positioning Vision System

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The paper presents a new Automatic Waterjet Positioning Vision System (AWPVS) and investigates components of workpiece positioning accuracy. The main purpose of AWPVS is to precisely identify the position and rotation of a workpiece placed on a waterjet machine table. Two webcams form a basis for the system, and constitute its characteristics. The proposed algorithm comprises various image processing techniques to assure a required identification precision. To validate the PVS identification quality, synthetic images were applied under various conditions. The analysis ascertains dependence of an object detection rate and accuracy on a size of cropping frame. Experimental results of the proposed PVS prototype prove that a combination of the vision algorithm and webcams is an alternative to dedicated expensive industrial vision systems. The two main components of AWPVS uncertainty, a machine component and PSV component are discerned and estimated.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
Elektronika Ir Elektrotechnika nr 19, strony 89 - 90,
ISSN: 1392-1215
Język:
angielski
Rok wydania:
2013
Opis bibliograficzny:
Dziak D., Jachimczyk B., Kulesza W.: An Analysis of Uncertainty and Robustness of Waterjet Machine Positioning Vision System// Elektronika Ir Elektrotechnika. -Vol. 19, nr. 9 (2013), s.89-90
Weryfikacja:
Politechnika Gdańska

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