Opto-Electronic Engineering, Volume. 52, Issue 7, 250031(2025)
Multi-target real-time coordinate measurement method based on range angle fusion in a single station system
Figures & Tables(22)
Fig. 1. Measuring principle of rotating laser scanning measuring system
Fig. 4. Schematic diagram of the cooperative target structure and assembly. (a) Cooperative target structure; (b) UWB tag installed on the cooperative target; (c) Target ball installed on the cooperative target
Fig. 9. Accuracy simulation results of single-station measurement system
Fig. 10. Impact of eccentricity error on measurement results. (a) Coordinate error values with and without eccentricity error; (b) Difference between two measurement results with and without eccentricity error
Fig. 12. Schematic diagram of high-precision 3D coordinate control field
Fig. 14. Comparison diagram of distance measurement errors before and after correction
Fig. 15. Coordinate error diagram. (a) x coordinate error; (b) y coordinate error; (c) z coordinate error
Table 1. High-precision 3D coordinate control field coordinates
View tableView in ArticleTable 1. High-precision 3D coordinate control field coordinates
Index X/mm Y/mm Z/mm Index X/mm Y/mm Z/mm 1 19.38 −6154.53 760.02 9 −3093.84 −7003.67 1315.33 2 10.68 −6162.07 138.64 10 −3125.28 −7000.95 827.48 3 −255.62 −6030.10 539.27 11 −3960.26 −6733.92 831.82 4 −257.67 −6033.18 287.19 12 −3967.50 −6738.47 315.54 5 −1387.25 −7554.95 718.33 13 −3970.97 −6743.94 −104.61 6 −1384.07 −7564.87 184.32 14 −4809.35 −6457.79 1296.82 7 −2237.55 −7275.61 1335.55 15 −4813.61 −6462.05 891.97 8 −2241.00 −7280.42 864.27 16 −4814.15 −6471.09 289.05
Table 2. Measured scanning angles of optical plane in control field calibration
View tableView in ArticleTable 2. Measured scanning angles of optical plane in control field calibration
Index Scanning angle of plane 1/rad Scanning angle of plane 2/rad Index Scanning angle of plane 1/rad Scanning angle of plane 2/rad 1 4.55 6.22 9 4.83 0.30 2 4.62 6.14 10 4.88 0.26 3 4.61 6.23 11 4.97 0.35 4 4.64 6.20 12 5.03 0.30 5 4.70 0.06 13 5.07 0.26 6 4.76 0.00 14 5.01 0.48 7 4.73 0.12 15 5.05 0.44 8 4.78 0.16 16 5.12 0.39
Table 3. X axis coordinate error
View tableView in ArticleTable 3. X axis coordinate error
X coordinate error Mean/ mm Maximum/ mm Minimum/ mm Standard deviation/mm Laser tracker 0.99 26.67 −36.37 21.14 Before compensation 61.15 90.77 13.16 24.73 After compensation 4.79 34.02 −43.61 25.03
Table 4. Y axis coordinate error
View tableView in ArticleTable 4. Y axis coordinate error
Y coordinate error Mean/ mm Maximum/ mm Minimum/ mm Standard deviation/mm Laser tracker 0.95 20.20 −27.40 15.77 Before compensation −75.00 −30.79 −111.39 18.77 After compensation −3.86 40.88 −40.54 19.08
Table 5. Z axis coordinate error
View tableView in ArticleTable 5. Z axis coordinate error
Z coordinate error Mean/ mm Maximum/ mm Minimum/ mm Standard deviation/mm Laser tracker 2.99 6.12 0.95 2.00 Before compensation 10.24 15.82 3.95 3.43 After compensation 3.64 7.59 0.56 2.13
Table 6. Point position error
View tableView in ArticleTable 6. Point position error
Point error Mean/ mm Maximum/ mm Minimum/ mm Standard deviation/mm Laser tracker 24.25 45.94 10.92 9.31 Before compensation 100.84 129.75 73.45 15.24 After compensation 29.94 47.64 14.04 9.83
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Xinghui Cui, Dongpo Lai, Leilei Diao, Jiarui Lin. Multi-target real-time coordinate measurement method based on range angle fusion in a single station system[J]. Opto-Electronic Engineering, 2025, 52(7): 250031
Paper Information
Category: Article
Received: Feb. 13, 2025
Accepted: May. 28, 2025
Published Online: Sep. 4, 2025
The Author Email: Jiarui Lin (林嘉睿)
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