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Integrated fringe projection 3D scanning system for large-scale metrology based on laser tracker
Author(s): Hui Du; Xiaobo Chen; Dan Zhou; Gen Guo; Juntong Xi
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Paper Abstract

Large scale components exist widely in advance manufacturing industry,3D profilometry plays a pivotal role for the quality control. This paper proposes a flexible, robust large-scale 3D scanning system by integrating a robot with a binocular structured light scanner and a laser tracker. The measurement principle and system construction of the integrated system are introduced. And a mathematical model is established for the global data fusion. Subsequently, a flexible and robust method and mechanism is introduced for the establishment of the end coordination system. Based on this method, a virtual robot noumenon is constructed for hand-eye calibration. And then the transformation matrix between end coordination system and world coordination system is solved. Validation experiment is implemented for verifying the proposed algorithms. Firstly, hand-eye transformation matrix is solved. Then a car body rear is measured for 16 times for the global data fusion algorithm verification. And the 3D shape of the rear is reconstructed successfully.

Paper Details

Date Published: 24 October 2017
PDF: 10 pages
Proc. SPIE 10458, AOPC 2017: 3D Measurement Technology for Intelligent Manufacturing, 104581T (24 October 2017); doi: 10.1117/12.2285822
Show Author Affiliations
Hui Du, Shanghai Jiao Tong Univ. (China)
Xiaobo Chen, Shanghai Jiao Tong Univ. (China)
Dan Zhou, Shanghai Jiao Tong Univ. (China)
Gen Guo, Shanghai Jiao Tong Univ. (China)
Juntong Xi, Shanghai Jiao Tong Univ. (China)


Published in SPIE Proceedings Vol. 10458:
AOPC 2017: 3D Measurement Technology for Intelligent Manufacturing
Wolfgang Osten; Anand Krishna Asundi; Huijie Zhao, Editor(s)

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