Acta Photonica Sinica, Volume. 52, Issue 2, 0211004(2023)
Structural Form Sensing Technology Based on Multi-source System Fusion
Figures & Tables(19)
Fig. 1. Illustration of the information perception framework of multi-source system fusion
Fig. 2. Unity diagram of multi-station coordinates of multi-source system
Fig. 3. Diagram of spatial point coordinate derivation based on curvature information
Fig. 6. Error simulation diagram before and after data fusion of unified common points with multi-station coordinates
Fig. 8. Comparison of simulation results of shape variables under different loads
Fig. 10. Schematic diagram of multi-source system fusion measurement
Fig. 14. Comparison of deformation deviation between fusion predicted point cloud and actual point cloud under different loads
Table 1. Comparison of errors before and after fusion of common points in transfer stations
View tableView in ArticleTable 1. Comparison of errors before and after fusion of common points in transfer stations
Point Pre-fusion Post-fusion /mm /mm /mm /mm /mm /mm /mm /mm -0.041 0.027 -0.032 0.058 -0.024 0.016 -0.031 0.042 0.003 -0.031 0.027 0.041 0.001 -0.026 0.001 0.026 0.031 0.056 -0.043 0.077 0.022 0.026 -0.007 0.035 -0.056 0.061 -0.038 0.091 -0.030 0.033 -0.017 0.047 -0.027 -0.095 0.042 0.107 0.003 -0.056 -0.014 0.058 -0.103 -0.006 -0.047 0.113 0.047 0.003 0.042 0.062
Table 2. Deformation error analysis results at 20 N
View tableView in ArticleTable 2. Deformation error analysis results at 20 N
Point ANSYS/mm Actual deformation value/mm Methods Deformation value/mm Absolute error
/mm Relative error
/% a 0.035 0.042 Interpolation 0.046 0.004 9.52 Fusion 0.041 0.001 2.38 b 0.053 0.062 Interpolation 0.065 0.003 4.84 Fusion 0.060 0.002 3.23 c 0.064 0.075 Interpolation 0.081 0.006 8.00 Fusion 0.076 0.001 1.33 d 0.072 0.081 Interpolation 0.074 0.007 8.64 Fusion 0.077 0.004 4.94
Table 3. Deformation error analysis results at 50 N
View tableView in ArticleTable 3. Deformation error analysis results at 50 N
Point ANSYS/mm Actual deformation value/mm Methods Deformation value/mm Absolute error
/mm Relative error
/% a 0.058 0.067 Interpolation 0.073 0.006 8.96 Fusion 0.064 0.003 4.48 b 0.072 0.077 Interpolation 0.081 0.004 5.19 Fusion 0.079 0.002 2.60 c 0.143 0.158 Interpolation 0.173 0.015 9.49 Fusion 0.167 0.009 5.70 d 0.181 0.198 Interpolation 0.183 0.015 7.58 Fusion 0.186 0.012 6.06
Table 4. Deformation error analysis results at 80 N
View tableView in ArticleTable 4. Deformation error analysis results at 80 N
Point ANSYS/mm Actual deformation value/mm Methods Deformation value/mm Absolute error
/mm Relative error
/% a 0.100 0.132 Interpolation 0.127 0.005 3.79 Fusion 0.124 0.008 6.06 b 0.157 0.150 Interpolation 0.139 0.011 7.33 Fusion 0.145 0.005 3.33 c 0.207 0.173 Interpolation 0.190 0.017 9.83 Fusion 0.184 0.011 6.36 d 0.281 0.231 Interpolation 0.206 0.025 10.82 Fusion 0.218 0.013 5.63
Table 5. Deformation error analysis results at 100 N
View tableView in ArticleTable 5. Deformation error analysis results at 100 N
Point ANSYS/mm Actual deformation value/mm Methods Deformation value/mm Absolute error
/mm Relative error
/% a 0.143 0.164 Interpolation 0.180 0.016 9.76 Fusion 0.175 0.011 6.71 b 0.198 0.178 Interpolation 0.192 0.014 7.87 Fusion 0.188 0.010 5.62 c 0.271 0.262 Interpolation 0.240 0.022 8.40 Fusion 0.278 0.016 6.11 d 0.328 0.302 Interpolation 0.276 0.026 8.61 Fusion 0.290 0.012 3.97
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Jing SUN, Xuezhu LIN, Lili GUO, Yue LIU, Dongming YAN, Lijuan LI. Structural Form Sensing Technology Based on Multi-source System Fusion[J]. Acta Photonica Sinica, 2023, 52(2): 0211004
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Received: Aug. 26, 2022
Accepted: Nov. 1, 2022
Published Online: Mar. 28, 2023
The Author Email: Xuezhu LIN (custsnow@163.com)
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