Hanwang Zhu, Xiangyao Xue, Mingzhen Shao, Wenbao Zhang, Shang Li, Xiushuo Wang, Guangyi Wang, Xinyu Yang. Design and optimization of a single-core axis in a ground-based photoelectric imaging system[J]. Infrared and Laser Engineering, 2024, 53(3): 20230629
- Infrared and Laser Engineering
- Vol. 53, Issue 3, 20230629 (2024)
Fig. 1. Main system structural composition
Fig. 2. Schematic diagram of supporting structure parameters
Fig. 3. Schematic diagram of support structure diagram
Fig. 4. Relationship between C 11, a , b and c
Fig. 5. Structure of MISA
Fig. 6. Workflow chart of Isight integration platform
Fig. 7. Iterative processes of MIGA
Fig. 8. Pareto front analysis of parameter relationships
Fig. 9. Deformation cloud map of the primary mirror under thermal field
Fig. 10. Deformation cloud map of the primary mirror under gravitational field
Fig. 11. Overall comparison of surface shape errors before and after optimization under different temperature changes. (a) ΔT =20 ℃ (from +20 ℃ to +40 ℃); (b) ΔT =80 ℃ (from −40 ℃ to +40 ℃)
Fig. 12. The primary mirror is placed in a horizontal position along the optical axis
Fig. 13. Analysis of main mirror surface accuracy using interferometry. (a) Detection at 20 ℃; (b) Detection at 40 ℃
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Table 1. Properties of the material mechanics
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Table 2. MIGA parameter setting
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Table 3. Comparison before and after optimization
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Table 4. Each working state error of the primary mirror
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