Mengqi Shao, Lei Zhang, Lin Li, Lei Wei. Optimization Design of Supporting Backplate for Ultra-Light Space Camera[J]. Acta Optica Sinica, 2019, 39(3): 0322001
- Acta Optica Sinica
- Vol. 39, Issue 3, 0322001 (2019)
Fig. 1. Model of primary mirror
Fig. 2. Flexible supporting part
Fig. 3. Boundary dimension parameters of backplate
Fig. 4. Connection between backplate and other structures
Fig. 5. Finite element models of initial structure of backplate. (a) Initially designed finite element model; (b) initial structure finite element model of constraint
Fig. 6. Iterative convergence curve
Fig. 7. (a) Topological optimization result of initial structure of backplate; (b) processed backplate model
Fig. 8. Parameter variables of supporting backplate structure
Fig. 9. Procedure of optimization iteration
Fig. 10. Supporting backplate model after optimization. (a) Obverse side; (b) reverse side
Fig. 11. Displacement cloud image of mirror surface
Fig. 12. First order intrinsic mode shape of mirror assembly
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Table 1. Performance parameters and comprehensive quality factors of commonly used spatial structural materials
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Table 2. Designed variables and optimized results
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Table 3. Surface analysis and accuracy comparison
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Table 4. First three order modal information of mirror assembly
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Table 5. Conditions of random vibration test
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Table 6. Analysis result of random response
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