Positioning measurement using a new artificial vision algorithm in LabVIEW based on the analysis of images on an LCD screen
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Ingeniería de los Procesos de FabricaciónFecha de publicación
2020-06-30Editorial
SpringerCita bibliográfica
de Francisco Ortiz, Ó., Estrems Amestoy, M. & Carrero-Blanco, J. Positioning measurement using a new artificial vision algorithm in LabVIEW based on the analysis of images on an LCD screen. Int J Adv Manuf Technol 109, 155–170 (2020). https://doi.org/10.1007/s00170-020-05497-2Revisión por pares
siPalabras clave
Image processingPositioning control
Vision algorithm
Precision engineering
Micromachining
LabVIEW
Resumen
Research in vision systems applied to manufacturing processes has increased during the last years. Nevertheless, accurate positioning systems frequently require costly investments. This article presents a new algorithm developed in LabVIEW for controlling a novel positioning system that processes images to obtain the position, which could be implemented in micromachining. With this aim, the method uses the analysis of the LEDs shown in an image projected on an LCD screen to perform an accurate positioning. The ultimate goal of this method is to get the coordinates of the images shown on the screen in order to know the movement made by the system and, in this way, be able to compensate the error. The experimental results and related analysis developed proved the accuracy and consistency in dissimilar situations. In addition, once implemented the algorithm proposed in a closed loop program, a positioning system is achieved where the error is always convergent.
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