Journal of Applied Optics, Volume. 42, Issue 5, 884(2021)
Structured light scanning measurement method based on mechanical splicing
Figures & Tables(12)
Table 1. Key parameters of scanner
View tableView in ArticleTable 1. Key parameters of scanner
Z轴方向 精度/μm [X]×[Y] 分辨率/μm 标称 精度/μm 工作 距离/mm 视野 范围/mm 2 20～25 12 87+25 27×45～30×45
Table 2. Key parameters of translation platform
View tableView in ArticleTable 2. Key parameters of translation platform
传感器 分辨率/μm 行程/mm 单向重复 定位精度/μm 双向重复 定位精度/μm 最大 负载/N 0.1 204 ±0.1 ±0.2 1000
Table 3. External parameters of measurement system
View tableView in ArticleTable 3. External parameters of measurement system
外参 数值 标准差 $\cos {\alpha _1}$ 0.025 815 7 2.985 0e-13 $\cos {\theta _1}$ 0.999 557 1.292 9e-06 $\cos {\beta _1}$ 0.014 825 6 8.753 2e-05 $\cos {\alpha _2}$ 0.999 510 2.274 7e-07 $\cos {\theta _2}$ −0.024 519 8 3.784 0e-11 $\cos {\beta _2}$ −0.019 459 5 1.167 9e-05
Table 4. Partial data of sphere-center distance
mm View tableView in ArticleTable 4. Partial data of sphere-center distance
mm 1-2球心距 1-3球心距 1-4球心距 1-5球心距 球序号 No.1 24.777 149.784 269.689 299.542 No.2 24.778 149.790 269.694 299.548 No.3 24.777 149.794 269.701 299.554 No.4 24.778 149.781 269.696 299.546 No.5 24.780 149.809 269.708 299.556 No.6 24.777 149.818 269.697 299.549 No.7 24.778 149.813 269.700 299.553 No.8 24.777 149.812 269.711 299.565 验证 结果 平均值 24.778 149.800 269.699 299.551 实际值 24.758 149.842 269.716 299.546 标准差 0.001 0.014 0.007 0.007 RMSE 0.019 0.044 0.018 0.008
Table 5. Height difference between feature surface and datum plane
mm View tableView in ArticleTable 5. Height difference between feature surface and datum plane
mm 面序号 高度差 1 0.004 2 3.312 3 3.296 4 −0.005
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Qiong WU, Wei LIU, Zhilong ZHOU, Yuxin WANG, Yi YUE. Structured light scanning measurement method based on mechanical splicing[J]. Journal of Applied Optics, 2021, 42(5): 884
Paper Information
Category: OPTICAL METROLOGY AND MEASUREMENT
Received: Dec. 9, 2020
Accepted: --
Published Online: Sep. 23, 2021
The Author Email: LIU Wei (lw2007@dlut.edu.cn)
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