Infrared and Laser Engineering, Volume. 53, Issue 6, 20240084(2024)
Satellite antenna deformation reconstruction technology based on FBG sensors
Figures & Tables(19)
Fig. 2. Schematic diagram of the structure of FBG strain sensor. (a) Front view; (b) Back view
Fig. 5. Schematic diagram of wavelength division multiplexing of FBG sensing array
Fig. 13. Comparison of forward/reverse deformation reconstruction map and actual deformation at 60 ℃
Table 1. Strain sensor sensitivity and linearity
View tableView in ArticleTable 1. Strain sensor sensitivity and linearity
Strain sensor Loading method Sensitivity/pm·με−1 R2 FBG1 Load added 0.838 0.997 Load shedding 0.827 0.996 FBG2 Load added 0.837 0.999 Load shedding 0.840 0.998 FBG3 Load added 0.832 0.998 Load shedding 0.841 0.998
Table 2. Temperature sensor sensitivity and linearity
View tableView in ArticleTable 2. Temperature sensor sensitivity and linearity
Temperature sensor Loading method Sensitivity/pm·℃−1 R2 FBG1 Heating 11.36 0.999 Cooling 11.32 0.998 FBG2 Heating 11.29 0.998 Cooling 11.33 0.998 FBG3 Heating 11.30 0.997 Cooling 11.25 0.996
Table 3. FBG strain sensor thermal response sensitivity and linearity
View tableView in ArticleTable 3. FBG strain sensor thermal response sensitivity and linearity
Strain sensor Loading method Sensitivity/pm·℃−1 R2 FBG1 Heating 35.83 0.992 Cooling 35.77 0.995 FBG2 Heating 36.22 0.993 Cooling 36.24 0.998 FBG3 Heating 36.01 0.991 Cooling 36.19 0.994
Table 4. Reconstruction error of end displacement of four FBG arrays at room temperature
View tableView in ArticleTable 4. Reconstruction error of end displacement of four FBG arrays at room temperature
Weight/kg Array 1 Array 2 Array 3 Array 4 $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ 1 21.5 22.35 3.95% 21.7 22.51 3.72% 21.8 22.62 3.76% 21.5 22.33 3.86% 2 42.9 44.95 4.77% 43.5 45.49 4.58% 43.6 45.55 4.48% 43.0 44.99 4.63% 3 64.7 68.54 5.93% 65.7 69.48 5.75% 65.7 69.53 5.83% 64.8 68.65 5.94% −1 21.3 22.14 3.96% 21.8 22.57 3.52% 21.8 22.59 3.63% 21.4 22.20 3.74% −2 42.9 44.93 4.73% 43.6 45.51 4.38% 43.6 45.40 4.12% 42.9 44.93 4.73% −3 64.6 68.42 5.91% 65.7 69.45 5.71% 65.7 69.35 5.56% 64.8 68.65 5.94%
Table 5. Reconstruction error of end displacement of four FBG arrays at −30 ℃
View tableView in ArticleTable 5. Reconstruction error of end displacement of four FBG arrays at −30 ℃
Weight/kg Array 1 Array 2 Array 3 Array 4 $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ 1 21.2 22.19 4.67% 21.6 22.60 4.63% 21.2 22.17 4.58% 21.1 22.09 4.69% 2 42.5 45.02 5.92% 43.3 45.73 5.61% 43.5 46.00 5.75% 42.7 45.24 5.95% 3 64.3 68.78 6.97% 63.5 67.54 6.36% 65.2 69.41 6.46% 64.3 68.75 6.92% −1 20.3 21.25 4.68% 20.8 21.72 4.42% 21.3 22.24 4.41% 21.1 22.09 4.60% −2 42.4 44.91 5.92% 43.1 45.52 5.61% 43.1 45.54 5.66% 42.4 44.91 5.92% −3 64.2 68.67 6.96% 65.2 69.35 6.37% 65.5 69.73 6.46% 64.4 68.86 6.93
Table 6. Reconstruction error of end displacement of four FBG arrays at 60 ℃
View tableView in ArticleTable 6. Reconstruction error of end displacement of four FBG arrays at 60 ℃
Weight/kg Array 1 Array 2 Array 3 Array 4 $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ $ {Y}_{r} $ $ {Y}_{t} $ $ E_i $ 1 21.9 22.92 4.66% 22.3 23.33 4.62% 22.1 23.10 4.52% 21.0 21.97 4.62% 2 43.2 45.75 5.90% 43.8 46.27 5.64% 44.0 46.52 5.73% 43.1 45.66 5.94% 3 64.8 69.24 6.85% 65.0 69.13 6.35% 65.0 69.19 6.45% 64.6 69.01 6.82% −1 22.0 23.02 4.63% 22.2 23.19 4.46% 22.1 23.08 4.42% 21.8 22.82 4.68% −2 43.2 45.77 5.95% 43.6 46.05 5.62% 43.9 46.39 5.67% 43.1 45.66 5.94% −3 64.9 69.35 6.86% 65.8 70.00 6.39% 65.7 69.93 6.44% 64.8 69.22 6.82%
Tools
Get Citation
Copy Citation Text
Jichun ZHAO, Yuanhao LI, Yumiao SONG, Guowen AN, Pinggang JIA, Jijun XIONG. Satellite antenna deformation reconstruction technology based on FBG sensors[J]. Infrared and Laser Engineering, 2024, 53(6): 20240084
Paper Information
Category: Optical communication and sensing
Received: Jan. 10, 2024
Accepted: --
Published Online: Jul. 31, 2024
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20