Huidong Qu, Jiali Wei, Deyi Dong, Haifei Hu, Yingjun Guan. Lightweight structural design of rectangular space mirror assembly[J]. Infrared and Laser Engineering, 2021, 50(6): 20200404
- Infrared and Laser Engineering
- Vol. 50, Issue 6, 20200404 (2021)
Fig. 1. Light-weighting structure of rectangular mirror
Fig. 2. Iteration curve of support point position optimization
Fig. 3. Positions of the support points by optimization
Fig. 4. The schematic diagram of key parameters of flexure hinge
Fig. 5. Curves of influence of t value of flexible hinge on RMS of self-weight surface of mirror
Fig. 6. Supporting structure constraint depth
Fig. 7. Curves of the self-weight surface of the mirror with respect to the support position
Fig. 8. Model of mirror assembly
Fig. 9. Finite element model of mirror assembly
Fig. 10. [in Chinese]
Fig. 10. The first three order mode shapes of mirror assembly
Fig. 11. Acceleration response curves of sinusoidal vibration
Fig. 12. Vibration test device of mirror assembly
Fig. 13. Result curves of dynamic test
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Table 1. Performance and quality factors of rational materials for mirror[9]
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Table 2. Influence of flexible hinge t value on mirror assembly
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Table 3. Material parameters of mirror assembly
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Table 4. Analysis results of the self-weight and temperature rise of the mirror assembly
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Table 5. Analysis results of the first six order mode shapes of mirror assembly
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Table 6. Sine vibration excitation conditions
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