Journal of Applied Optics, Volume. 46, Issue 4, 895(2025)
Research on suspension wire type high-precision photoelectric inclination sensor for automatic monitoring of arch dam deformation
Figures & Tables(12)
Fig. 7. Summary structure of two-dimensional photoelectric inclination sensor
Fig. 9. Test structure of two-dimensional photoelectric inclination sensor
Table 1. Pulse position calculation pseudo code
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脉冲位置W 1. If (De>Do)then 2. W=2*Do−1; 3. Else 4. W=2*Do;
Table 2. Test results
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螺杆值/mm 10 11 12 13 14 15 16 17 18 19 CCD读数 1 389 1 633 1 870 2 103 2 330 2 551 2 774 2 988 3 203 3 418 增量 244 237 233 227 221 223 214 215 215 螺杆值/mm 20 21 22 23 24 25 26 27 28 29 CCD读数 3 633 3 845 4 057 4 272 4 491 4 709 4 932 5 163 5 391 5 631 增量 215 212 212 215 219 218 223 231 228 240
Table 3. Metrology testing results
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序号 标准角度/(°) 测试角度/(°) 角度偏差/(°) 1 0.00000 0.00000 0.00000 2 0.02003 0.02013 0.00010 3 0.04005 0.04015 0.00010 4 0.06007 0.06013 0.00006 5 0.08001 0.08012 0.00011 6 0.10434 0.10441 0.00007 7 0.12004 0.12014 0.00010 8 0.14002 0.14013 0.00011 9 0.16006 0.16011 0.00005 10 0.18002 0.18013 0.00011 11 0.20008 0.20016 0.00008 12 0.22004 0.22016 0.00012 13 0.24005 0.24014 0.00009
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Dan LIU, Mengdi YAO, Xiangqian LI, Yicheng SHI, Kai QU, Chuan LI, Dongliang WEI, Qing YANG, Yi LI. Research on suspension wire type high-precision photoelectric inclination sensor for automatic monitoring of arch dam deformation[J]. Journal of Applied Optics, 2025, 46(4): 895
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Received: May. 23, 2024
Accepted: --
Published Online: Sep. 16, 2025
The Author Email: Dan LIU (liudan1978@mail.xjtu.edu.cn)
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