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| A Fast Performance Evaluation Method for 3D-laser Area Scanning System |
| ZHOU Sen, XU Jian, TAO Lei, CHEN Long, XIONG Yi-kun |
| Chongqing Academy of Metrology and Quality Inspection, Chongqing 401121, China |
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Abstract 3D-laser area scanning techniques have been widely studied in academia and applied in industrial fields because of the benefits of fast massive acquisition of points, non-contact operation, and automatic data processing. However, the procedures for evaluation and verification of 3D-laser area scanner have not been well-established, because of many influencing factors such as scan depth, incident angle, scanners orientation and surface properties of measured area. A typical artifact with multiple spherical features made of ceramic has been introduced for determination of the sphere-spacing error and flatness measurement error. A 3D coordinate system was established by the orientation and the relative position between scanner and those spheres. A series of representative experiments were carried out on commercial 3D-laser area scanners produced by three corporations. The experimental results showed that the system sphere spacing repeatability error was better than 5.0μm, measurement uncertainty was less than 15.0μm, and the time for one test was less 0.5h. The evaluation procedure was easy-operator and effective.
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Received: 20 September 2019
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2019, Vol. 40 
