Positioning measurement using a new artificial vision algorithm in LabVIEW based on the analysis of images on an LCD screen

Journal ar
International Journal of Advanced Manufacturing Technology
  • Volumen: 109
  • Número: 1-2
  • Fecha: 01 julio 2020
  • Páginas: 155-170
  • ISSN: 14333015 02683768
  • Tipo de fuente: Revista
  • DOI: 10.1007/s00170-020-05497-2
  • Tipo de documento: Artículo
  • Editorial: Springer
© 2020, Springer-Verlag London Ltd., part of Springer Nature.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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