Provided herein are systems, media, and methods for roll-to-roll material (e.g. fabric) defect detection and/or quality control based on data received from an optical detection.
Illumination modules (530) are described for use during manufacturing processes and subsequent material processing steps. The illumination modules (530) may assist with implementing methods for performing quality assurance or defect detection while material (510) is being manufactured or processed. Methods are also described for utilizing an illumination module to facilitate the detection of material properties or conformations as a part of quality assurance or defect detection algorithms.
The present disclosure provides systems and methods for calibration. In one example, the method may comprise optical image analysis for calibration. The method may comprise generating an optical projection of one or more calibration features onto a material surface provided in a material fabrication or processing machine, and determining one or more spatial characteristics of the calibration features. The one or more spatial characteristics may comprise a distance, a position, an orientation, an alignment, a size, or a shape of one or more calibration features. The one or more spatial characteristics may be used to adjust at least one of (i) a position or an orientation of an imaging unit relative to the material surface and the material fabrication or processing machine, (ii) an angle or an inclination of the material surface relative to the imaging unit, and (iii) one or more imaging parameters of the imaging unit.
Systems and methods are disclosed for detecting defects during manufacturing processes for materials and products. The provided systems may utilize imaging units and computer detection algorithms to determine the presence or absence of defects in manufactured materials or products. Detection of defects in material or products by the disclosed systems may prompt intervention in the manufacturing process to correct the source of the defects.
G01N 21/89 - Recherche de la présence de criques, de défauts ou de souillures dans un matériau mobile, p. ex. du papier, des textiles
D04B 35/20 - Dispositifs indicateurs, avertisseurs ou de sécurité, p. ex. mouvements d'arrêt sensibles aux défauts, p. ex. trous, dans les articles tricotés
G01N 21/898 - Irrégularités des surfaces texturées ou structurées, p. ex. des textiles, du bois
Machine and method for controlling textile fabric defects during the textile production and method for retrofitting a circular knitting machine having a fixed support structure, a rotational support structure, said system comprising: a digital camera for capturing digital images of the knitted textile fabric, a data processor for processing the captured digital images, a camera support structure for holding the camera, a lighting system to illuminate the knitted textile fabric from the camera side for capture by the digital camera; wherein the camera and back support structures are fixed to the rotational structure.
D04B 35/20 - Dispositifs indicateurs, avertisseurs ou de sécurité, p. ex. mouvements d'arrêt sensibles aux défauts, p. ex. trous, dans les articles tricotés
D04B 15/00 - Parties constitutives de métiers à tricoter trame, ou dispositifs auxiliaires incorporés, limités à ce type de machines
D04B 35/30 - Dispositifs pour la commande de la température des parties de machines
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