Chinese Optics, Volume. 16, Issue 2, 425(2023)
The measurement method of heliostat surface shape error based on photogrammetry
Fig. 5. Histogram of angular deviation varying with the measured angle at 1.3 m
Fig. 6. Spatial position map of 4 corner points of a planar mirror simulated by Matlab program
Fig. 8. Histogram of angular deviation varying with the measured angle at 1.6 m
Fig. 9. Spatial position map of 4 corner points of a planar mirror simulated by Matlab program
Table 1. Detection result of tilt angle at 1.3 m
View tableView in ArticleTable 1. Detection result of tilt angle at 1.3 m
实验组别 实际倾角/（°） 测量倾角/(°) 误差/(°) 1 10.28 10.332 +0.052 2 11.61 11.679 +0.069 3 13.76 13.747 −0.027 4 15.41 15.630 +0.220 5 16.86 16.985 +0.125 6 18.43 18.550 +0.070 7 19.48 19.667 +0.187 8 20.51 20.614 +0.104 9 21.17 21.230 +0.060 10 22.01 22.249 +0.139 11 24.25 24.505 +0.255
Table 2. Detection results of tilt angle at 1.6 m
View tableView in ArticleTable 2. Detection results of tilt angle at 1.6 m
实验组别 实际倾角/(°) 测量倾角/(°) 误差/(°) 1 82.21 81.936 −0.274 2 78.31 78.419 +0.109 3 71.50 71.647 +0.147 4 64.98 64.533 −0.447 5 59.97 59.808 −0.162 6 56.89 56.574 −0.316 7 50.66 50.502 −0.158 8 45.21 44.845 −0.365 9 41.84 41.743 −0.097 10 34.72 35.617 +0.103
Table 3. Measurement results for the mirror with the tilt angles of 16.81° and 10.28° at different distances
View tableView in ArticleTable 3. Measurement results for the mirror with the tilt angles of 16.81° and 10.28° at different distances
实验组别 距离/m 检测倾角（°） 误差（°） 平均误差/（°） 10.28° 16.81° 10.28° 16.81° 1 0.8 10.478 16.985 +0.198 +0.175 +0.186 2 1.0 10.345 16.819 +0.065 +0.009 +0.037 3 1.2 10.359 16.654 +0.079 −0.156 −0.038 4 1.4 10.278 16.639 −0.002 −0.171 −0.086 5 1.6 10.342 16.481 +0.062 −0.329 −0.134 6 1.8 10.250 16.586 −0.030 −0.224 −0.127 7 2.0 10.213 16.657 −0.067 −0.153 −0.110 8 2.2 10.241 16.523 −0.039 −0.287 −0.163 9 2.4 10.189 16.481 −0.091 −0.329 −0.210
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Xiu-dong WEI, Fan ZHANG, Ying-chao XU. The measurement method of heliostat surface shape error based on photogrammetry[J]. Chinese Optics, 2023, 16(2): 425
Category: Original Article
Received: Dec. 6, 2021
Accepted: --
Published Online: Apr. 4, 2023
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