• Infrared and Laser Engineering
  • Vol. 53, Issue 6, 20240084 (2024)
Jichun ZHAO, Yuanhao LI, Yumiao SONG, Guowen AN..., Pinggang JIA and Jijun XIONG|Show fewer author(s)
Author Affiliations
  • State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan 030051, China
  • show less
    DOI: 10.3788/IRLA20240084 Cite this Article
    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 Copy Citation Text show less
    (a) Satellite dish; (b) Schematic of antenna deformation
    Fig. 1. (a) Satellite dish; (b) Schematic of antenna deformation
    Schematic diagram of the structure of FBG strain sensor. (a) Front view; (b) Back view
    Fig. 2. Schematic diagram of the structure of FBG strain sensor. (a) Front view; (b) Back view
    Schematic diagram of FBG temperature sensor structure
    Fig. 3. Schematic diagram of FBG temperature sensor structure
    Sensor encapsulation device
    Fig. 4. Sensor encapsulation device
    Schematic diagram of wavelength division multiplexing of FBG sensing array
    Fig. 5. Schematic diagram of wavelength division multiplexing of FBG sensing array
    Distribution map of FBG measurement points
    Fig. 6. Distribution map of FBG measurement points
    Normal temperature environment test platform
    Fig. 7. Normal temperature environment test platform
    Variable temperature environment test platform
    Fig. 8. Variable temperature environment test platform
    FBG strain sensor calibration curve
    Fig. 9. FBG strain sensor calibration curve
    FBG temperature sensor calibration curve
    Fig. 10. FBG temperature sensor calibration curve
    FBG strain sensor thermal response calibration
    Fig. 11. FBG strain sensor thermal response calibration
    Strain sensor thermal response performance
    Fig. 12. Strain sensor thermal response performance
    Comparison of forward/reverse deformation reconstruction map and actual deformation at 60 ℃
    Fig. 13. Comparison of forward/reverse deformation reconstruction map and actual deformation at 60 ℃
    Strain sensorLoading methodSensitivity/pm·με−1R2
    FBG1Load added0.8380.997
    Load shedding0.8270.996
    FBG2Load added0.8370.999
    Load shedding0.8400.998
    FBG3Load added0.8320.998
    Load shedding0.8410.998
    Table 1. Strain sensor sensitivity and linearity
    Temperature sensorLoading methodSensitivity/pm·℃−1R2
    FBG1Heating11.360.999
    Cooling11.320.998
    FBG2Heating11.290.998
    Cooling11.330.998
    FBG3Heating11.300.997
    Cooling11.250.996
    Table 2. Temperature sensor sensitivity and linearity
    Strain sensorLoading methodSensitivity/pm·℃−1R2
    FBG1Heating35.830.992
    Cooling35.770.995
    FBG2Heating36.220.993
    Cooling36.240.998
    FBG3Heating36.010.991
    Cooling36.190.994
    Table 3. FBG strain sensor thermal response sensitivity and linearity
    Weight/kgArray 1Array 2Array 3Array 4
    $ {Y}_{r} $$ {Y}_{t} $$ E_i $$ {Y}_{r} $$ {Y}_{t} $$ E_i $$ {Y}_{r} $$ {Y}_{t} $$ E_i $$ {Y}_{r} $$ {Y}_{t} $$ E_i $
    121.522.353.95%21.722.513.72%21.822.623.76%21.522.333.86%
    242.944.954.77%43.545.494.58%43.645.554.48%43.044.994.63%
    364.768.545.93%65.769.485.75%65.769.535.83%64.868.655.94%
    −121.322.143.96%21.822.573.52%21.822.593.63%21.422.203.74%
    −242.944.934.73%43.645.514.38%43.645.404.12%42.944.934.73%
    −364.668.425.91%65.769.455.71%65.769.355.56%64.868.655.94%
    Table 4. Reconstruction error of end displacement of four FBG arrays at room temperature
    Weight/kgArray 1Array 2Array 3Array 4
    $ {Y}_{r} $$ {Y}_{t} $$ E_i $$ {Y}_{r} $$ {Y}_{t} $$ E_i $$ {Y}_{r} $$ {Y}_{t} $$ E_i $$ {Y}_{r} $$ {Y}_{t} $$ E_i $
    121.222.194.67%21.622.604.63%21.222.174.58%21.122.094.69%
    242.545.025.92%43.345.735.61%43.546.005.75%42.745.245.95%
    364.368.786.97%63.567.546.36%65.269.416.46%64.368.756.92%
    −120.321.254.68%20.821.724.42%21.322.244.41%21.122.094.60%
    −242.444.915.92%43.145.525.61%43.145.545.66%42.444.915.92%
    −364.268.676.96%65.269.356.37%65.569.736.46%64.468.866.93
    Table 5. Reconstruction error of end displacement of four FBG arrays at −30 ℃
    Weight/kgArray 1Array 2Array 3Array 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 $
    121.922.924.66%22.323.334.62%22.123.104.52%21.021.974.62%
    243.245.755.90%43.846.275.64%44.046.525.73%43.145.665.94%
    364.869.246.85%65.069.136.35%65.069.196.45%64.669.016.82%
    −122.023.024.63%22.223.194.46%22.123.084.42%21.822.824.68%
    −243.245.775.95%43.646.055.62%43.946.395.67%43.145.665.94%
    −364.969.356.86%65.870.006.39%65.769.936.44%64.869.226.82%
    Table 6. Reconstruction error of end displacement of four FBG arrays at 60 ℃
    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
    Download Citation