Infrared and Laser Engineering, Volume. 52, Issue 7, 20220878(2023)
Image rotation compensation mechanism of large field of view space camera and its optimization design
Figures & Tables(18)
Fig. 3. Schematic diagram of image rotation compensation mechanism
Fig. 7. Relationship between flexibility of working direction and
Fig. 10. (a) Optimized image rotation compensation mechanism; (b) Finite element model of image rotation compensation mechanism
Fig. 13. Force-displacement test experiment of image rotation compensation
Fig. 14. Force-displacement diagram of image rotation compensation mechanism
Table 1. Test data of force-displacement experiment
View tableView in ArticleTable 1. Test data of force-displacement experiment
Outside force/N First place Second place Third place Fourth place Average value/μm 15 13 12 13 13 12.75 30 20 20 21 20 20.25 45 29 28 29 31 29.25 60 39 39 39 37 38.50 75 47 47 48 49 47.75 90 59 57 57 58 57.75 105 68 67 68 66 67.25 120 76 78 77 79 77.50 135 87 86 88 87 87.00 150 98 97 97 95 96.75
Table 2. Comparison of force-displacement test data and simulation data
View tableView in ArticleTable 2. Comparison of force-displacement test data and simulation data
Outside force/ N Experimental data/ μm Simulation data/ μm Error 15 12.75 12.92 1.3% 30 20.25 20.22 0.16% 45 29.25 29.70 1.5% 60 38.50 39.33 2.1% 75 47.75 48.95 2.5% 90 57.75 58.74 1.7% 105 67.25 68.46 1.8% 120 77.50 78.19 0.88% 135 87.0 87.92 1.1% 150 96.75 97.50 0.78%
Table 3. The first six modes natural frequencies of the system
View tableView in ArticleTable 3. The first six modes natural frequencies of the system
Order Natural frequency/Hz First order 252.41 Second order 1400.20 Third order 1400.41 Fourth order 1707.10 Fifth order 1707.1 Sixth order 1769.51
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Shudi Liu, Haiying Tian, Jianbing Shao. Image rotation compensation mechanism of large field of view space camera and its optimization design[J]. Infrared and Laser Engineering, 2023, 52(7): 20220878
Paper Information
Category: Optical design
Received: Dec. 7, 2022
Accepted: --
Published Online: Aug. 16, 2023
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