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A vision system for the online quality monitoring of industrial manufacturing
Affiliation:1. Instituto de Investigaciones en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Edif. “U”, CU, CP 58000 Morelia, MICH, Mexico;2. Centro de Investigación en Corrosión, Universidad Autónoma de Campeche, Av. Agustín Melgar S/N, Col. Buenavista, CP 24039 Campeche, CAMP, Mexico;1. Turkish Air Force NCO College, Izmir 35410, Turkey;2. Electronics and Communication Engineering Department, Yildiz Technical University, Istanbul 34220, Turkey;3. Turkish Air Force Academy, Istanbul 34149, Turkey;1. Department of Systems Science and Industrial Engineering, Binghamton University, Binghamton, NY 13902, United States;2. Grado Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, United States;3. Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588-0526, United States;4. Department of Industrial and Systems Engineering, Texas A&M University, College Station, TX 77843, United States;1. NTNU Norwegian University of Science and Technology, Teknologivegen 22, 2815 Gjøvik, Norway;2. SINTEF Raufoss Manufacturing AS, Enggata 40, 2830 Raufoss, Norway;3. Chalmers University of Technology, Hörsalsvägen 9-11, Göteborg, Sweden
Abstract:The design of an image based measurement system for the online inspection of electromechanical parts is described. A two-camera architecture is introduced in order to highlight all the required details involved in the measurements. The design takes into account both the interfacing and the real-time issues that assure an effective online operation. The description of the measurement system and the corresponding installation on the production line points out a methodological approach to the design of these kinds of measurement systems. The paper provides details about the algorithms for the localization and the measurement of the required quantities, as well as the calibration procedure and the error correction. Experimental tests for the performance evaluation are presented and discussed in terms of timing and accuracy.
Keywords:Metrology  Visual inspection  Online measurement  Contact-less measurement  Uncertainty
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