Xu LIU, Heng WANG, Xiaofeng LIU, Zhen JIA. Design and analysis of carbon fiber main load-bearing cylinder structure for space cameras[J]. Infrared and Laser Engineering, 2024, 53(8): 20240274

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- Infrared and Laser Engineering
- Vol. 53, Issue 8, 20240274 (2024)

Fig. 1. Layout of optical system

Fig. 2. Main load-bearing cylinder structure

Fig. 3. Upper cylinder structure

Fig. 4. Second mirror support rod structure

Fig. 5. Simulation analysis of deformation cloud map

Fig. 6. Model of size optimization

Fig. 7. Optimized size distribution cloud map

Fig. 8. First order fundamental frequency deformation cloud map

Fig. 9. Static deformation cloud map

Fig. 10. 4 ℃ temperature rise deformation cloud map

Fig. 11. The distribution of analysis sampling points

Fig. 12. Sinusoidal sweep frequency analysis curve

Fig. 13. Random vibration response curve

Fig. 14. Vibration test site diagram

Fig. 15. Sinusoidal sweep frequency test curve

Fig. 16. Random vibration test curve
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Table 1. Tolerance of optical system
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Table 2. Physical property table of related materials
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Table 3. Material parameters of M40J single-layer board
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Table 4. The results of size optimization
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Table 5. The results of layer optimization
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Table 6. Comparison of parameters before and after optimization
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Table 7. The first three natural frequencies
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Table 8. Random vibration power spectral density

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