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    • 1. 发明公开
    • Apparatus and method for measuring the bending angle of a sheet
    • Vorrichtung und Verfahren zum Messen des Biegewinkels eines Bleches
    • EP2660559A1
    • 2013-11-06
    • EP13166167.0
    • 2013-05-02
    • SALVAGNINI ITALIA S.p.A.
    • Nardetto, GianfrancoBattistelli, Flavio
    • G01B11/26
    • B21D5/006G01B11/26
    • An apparatus (2) for measuring a bending angle of a sheet (3) is described, comprising a processing unit (10) and at least one sensor (4) comprising a light source (42) which projects a light pattern (52) on at least one side (31, 32) of the sheet (3), and recording means (41) adapted to record the image of the projection of said light pattern on a side of the sheet. The processing unit (10) is adapted to control the recording means for recording the image in at least one time instant (Tregl; Tregl, Treg2... Tregn) during the operation of bending the sheet (3); the control unit is capable of transforming the recorded image (56) into a point cloud (57) and comprises a neural network (115) adapted to associated a bending angle value (60, 200) with the point cloud.
    • 描述了一种用于测量片材(3)的弯曲角度的装置(2),包括处理单元(10)和至少一个传感器(4),所述至少一个传感器包括将光图案(52)突出在其上的光源(42) 片材(3)的至少一个侧面(31,32)和适于将所述光图案的投影图像记录在片材的一侧上的记录装置(41)。 处理单元(10)适于在弯曲片材(3)的操作期间控制用于在至少一个时刻(Tregl; Tregl,Treg2 ... Tregn)中记录图像的记录装置; 控制单元能够将记录的图像(56)变换成点云(57),并且包括适于将弯曲角度值(60,200)与点云相关联的神经网络(115)。