Multiple-Camera Instrumentation of a Single Point Incremental Forming Process Pilot for Shape and 3D Displacement Measurements: Methodology and Results

Abstract : A multiple-camera system (more than two cameras) has been developed to measure the shape variations and the 3D displacement field of a sheet metal part during a Single Point Incremental Forming (SPIF) operation. The modeling of the multiplecamera system and the calibration procedure to determine its parameters are described. The sequence of images taken during the forming operation is processed using a multiple-view Digital Image Correlation (DIC) method and the 3D reconstruction of the part shape is obtained using a Sparse Bundle Adjustment (SBA) method. Two experiments that demonstrate the potentiality of the method are described.
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Experimental Mechanics, Society for Experimental Mechanics, 2011, 51 (4), pp.625-639. 〈10.1007/s11340-010-9436-1〉
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Jean-José Orteu, Florian Bugarin, J. Harvent, Laurent Robert, Vincent Velay. Multiple-Camera Instrumentation of a Single Point Incremental Forming Process Pilot for Shape and 3D Displacement Measurements: Methodology and Results. Experimental Mechanics, Society for Experimental Mechanics, 2011, 51 (4), pp.625-639. 〈10.1007/s11340-010-9436-1〉. 〈hal-01170378〉

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