Chinese Journal of Lasers, Volume. 46, Issue 10, 1004004(2019)
Research on Calibration System of Star Sensor Thermal Drift Based on Error Decoupling
Figures & Tables(8)
Fig. 4. Wavefront function curves of optical system. (a) 0°, 0°; (b) 0°, 0.8°; (c) 0°, 1.6°; (d) 0°, 4.5°; (e) 0°, 6°; (f) 0°, 8.5°
Fig. 6. Simulation results of star sensor. (a) -25-20 ℃ mounting surface deformation; (b) -25-20 ℃ flange surface deformation; (c) 20-60 ℃ mounting surface deformation; (d) 20-60 ℃ flange surface deformation
Table 1. Design parameters for optical system
View tableTable 1. Design parameters for optical system
Parameter Content Star map field of view ≥12°×12° Spectral range 400-1100 nm Exit distance ≥400 mm Equipment length ≤1000 mm Light source stability 2%(one cycle) Operating temperature range 10-30 ℃
Table 2. Deformation angle results of different temperature ranges
View tableTable 2. Deformation angle results of different temperature ranges
Temperature Surface deformation Offset around the X axis /[(″)·℃-1]Offset around the Y axis /[(″)·℃-1]Offset around the Z axis /[(″)·℃-1]Mounting surface -0.072410325 -0.047455354 -0.055023665 -25-20 ℃ Flange surface -0.184707694 0.000204549 -0.221526503 Ideal result -0.128865833 -0.059728291 -0.174889345 Mounting surface 0.000081819 0.010431996 -0.00572737 20-60 ℃ Flange surface 0.026386813 -0.142161514 0.0462637159 Ideal result 0.02515952 0.147888884 0.064864912
Tools
Get Citation
Copy Citation Text
Jingjing Gao, Yong Bi, Jinpeng Li, Sen Pan, Xiaohan Yang. Research on Calibration System of Star Sensor Thermal Drift Based on Error Decoupling[J]. Chinese Journal of Lasers, 2019, 46(10): 1004004
Paper Information
Category: measurement and metrology
Received: May. 13, 2019
Accepted: Jun. 17, 2019
Published Online: Oct. 25, 2019
The Author Email: Bi Yong (yongb@nairc.ac.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20