Laser & Optoelectronics Progress, Volume. 60, Issue 19, 1912002(2023)
Improved Simulation Preassembly Method Based on Line Feature Matching
Figures & Tables(28)
Fig. 2. Line features of the joint and linear features. (a) Arch foot; (b) arch rib
Fig. 16. Simulation point cloud data. (a) Simulation data 1; (b) simulation data 2; (c) simulation data 3
Fig. 17. Splicing results. (a) Method of line features matching; (b) method aided by design data
Fig. 18. Linear error. (a) Method of line features matching; (b) method aided by design data
Table 1. Parameter setting of the method of reducing bounding box
View tableTable 1. Parameter setting of the method of reducing bounding box
Target Area of the reducing the bounding box Part of top edge （Zmax -Ledge）< z < Zmax &&（Yave + k1 × Ydelt）< y <（Yave + k2 ×Ydelt） Part of bottom edge Zmin < z <（Zmin + Ledge）&&（Yave + k1 × Ydelt）< y <（Yave + k2 ×Ydelt） Part of left edge （Ymax - Ledge）< y < Ymax &&（Zave + k1 × Zdelt）< z <（Zave + k2 ×Zdelt） Part of right edge Ymin < y <（Ymin + Ledge）&&（Zave + k1 × Zdelt）< z <（Zave + k2 ×Zdelt）
Table 2. Splicing error of methods
View tableTable 2. Splicing error of methods
Method Average error /mm Maximum error /mm D1 D2 D3 D1 D2 D3 W1 0.50 0.45 1.49 1.02 0.65 2.02 W2 0.07 0.10 0.08 0.47 0.39 0.45 W3 0.37 0.42 0.40 0.48 0.52 0.53
Table 3. Linear error of methods
View tableTable 3. Linear error of methods
Method Average error /mm Maximum error /mm D1 D2 D3 D1 D2 D3 W1 92.83 140.32 83.42 235.36 263.76 240.86 W2 81.75 72.46 75.24 196.21 170.64 177.57 W3 0.40 0.36 0.45 0.65 0.52 0.75
Table 4. Splicing error in the east of method of line features matching
View tableTable 4. Splicing error in the east of method of line features matching
Point pair Foot 1 & Rib 1 Rib 1 & Rib 2 Rib 2 & Rib 3 Rib 3 & Foot 2 dx dy dz dx dy dz dx dy dz dx dy dz 1 -14.10 0.58 6.32 -11.32 2.65 -8.58 8.35 -1.97 -11.32 -0.80 -31.16 -28.86 2 -11.86 -56.14 -22.35 11.68 4.55 19.49 -35.59 -10.40 -6.18 19.08 -47.15 -42.37 3 2.32 -2.45 -5.67 7.09 8.79 -13.78 13.54 -8.55 -3.82 10.23 -0.34 3.13 4 -39.86 -21.30 29.31 3.09 3.83 -3.43 -9.34 -0.46 1.65 -9.34 4.56 18.35 5 44.98 34.45 22.98 -45.34 15.52 29.73 58.35 -40.14 -3.33 -4.65 -1.48 -6.78 6 36.64 40.21 25.65 26.38 -5.76 7.53 -51.34 39.45 -6.15 -6.24 12.34 14.53 7 -16.48 -26.08 28.36 -31.57 0.92 1.34 24.39 -8.56 -17.24 -9.56 3.75 -10.74 8 -5.45 1.24 -36.62 27.24 4.58 -22.34 22.45 -14.45 4.25 21.56 -17.73 -22.78
Table 5. Splicing error in the west of method of line features matching
View tableTable 5. Splicing error in the west of method of line features matching
Point pair Foot 1 & Rib 1 Rib 1 & Rib 2 Rib 2 & Rib 3 Rib 3 & Foot 2 dx dy dz dx dy dz dx dy dz dx dy dz 1 12.81 0.78 10.45 -14.80 4.64 -9.41 14.14 -4.15 -15.31 -1.53 25.67 -27.71 2 -4.32 -58.35 -22.23 13.45 5.88 20.59 -38.45 -11.45 -8.41 18.45 -36.23 -30.65 3 12.51 -12.74 6.65 5.40 8.78 -15.13 15.53 -6.14 -4.75 14.10 -0.65 8.98 4 30.21 22.45 25.13 4.06 4.54 -4.18 -8.17 -0.65 11.12 -18.73 9.47 20.34 5 31.24 5.87 24.43 -5.62 25.15 30.16 52.45 -40.43 -3.67 -5.56 -3.67 -9.62 6 26.34 4.46 14.34 28.45 -15.67 16.80 17.35 29.58 -26.34 -15.57 18.56 12.56 7 -18.64 -24.45 20.23 -29.38 0.26 2.33 18.15 -17.56 -25.56 -11.05 3.56 -18.20 8 -4.23 3.32 -31.51 29.16 14.37 -20.68 23.56 -17.30 14.44 21.23 -17.89 -15.15
Table 6. Splicing error in the East of method aided by design data
View tableTable 6. Splicing error in the East of method aided by design data
Point pair Foot 1 & Rib 1 Rib 1 & Rib 2 Rib 2 & Rib 3 Rib 3 & Foot 2 dx dy dz dx dy dz dx dy dz dx dy dz 1 -14.22 -0.04 6.53 -11.11 3.19 -8.46 7.50 -2.27 -11.28 -1.20 -31.84 -28.01 2 -12.48 -55.34 -22.46 12.28 5.13 19.84 -34.68 -10.25 -6.49 19.78 -47.58 -42.89 3 2.86 -2.39 -5.42 7.58 9.52 -13.65 14.09 -8.79 -3.59 10.50 -0.66 3.10 4 -40.66 -21.73 29.16 3.85 4.12 -3.46 -9.33 -0.83 1.25 -9.83 4.71 19.07 5 45.73 35.06 23.53 -45.94 14.67 29.09 58.60 -40.06 -3.65 -5.35 -1.64 -7.72 6 36.86 40.95 25.00 26.47 -5.48 7.40 -52.08 39.95 -6.23 -6.27 12.54 14.50 7 -16.88 -26.97 28.15 -31.14 0.53 1.08 24.87 -7.71 -17.34 -10.28 3.20 -10.43 8 -4.88 1.90 -37.52 27.58 4.49 -22.41 21.93 -14.28 4.21 22.38 -17.47 -23.68
Table 7. Splicing error in the West of method aided by design data
View tableTable 7. Splicing error in the West of method aided by design data
Point pair Foot 1 & Rib 1 Rib 1 & Rib 2 Rib 2 & Rib 3 Rib 3 & Foot 2 dx dy dz dx dy dz dx dy dz dx dy dz 1 13.20 0.08 10.54 -15.64 4.32 -9.32 14.50 -4.35 -15.36 -1.30 25.14 -27.01 2 -4.48 -58.30 -22.50 12.89 5.27 20.35 -38.27 -12.35 -8.79 18.88 -36.45 -30.45 3 12.76 -12.45 6.72 5.72 8.43 -15.75 16.20 -5.90 -4.64 14.30 -0.86 8.10 4 30.25 22.68 25.24 4.15 5.25 -4.49 -8.55 -0.94 11.26 -19.43 9.87 21.08 5 30.45 5.08 24.63 -5.90 25.88 30.25 52.40 -40.58 -3.98 -6.35 -3.64 -9.72 6 26.80 4.15 14.20 29.36 -15.28 17.50 18.09 29.85 -26.43 -16.47 18.74 12.50 7 -17.89 -24.37 20.16 -30.15 0.43 2.09 18.67 -17.25 -25.34 -10.21 3.20 -18.68 8 -4.63 2.93 -31.45 29.63 14.53 -20.24 22.89 -18.23 14.25 21.49 -18.49 -14.75
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Mingfang Zhu, Guang Yang. Improved Simulation Preassembly Method Based on Line Feature Matching[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1912002
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: May. 2, 2022
Accepted: Jun. 14, 2022
Published Online: Sep. 20, 2023
The Author Email: Guang Yang (yangguang@tongji.edu.cn)
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