Optics and Precision Engineering, Volume. 31, Issue 1, 69(2023)
Design of 50000 fps camera system for shooting of high-speed collision process
Figures & Tables(14)
Fig. 3. Explosive view of mechanical configuration of high frame frequency camera
Fig. 5. Heat conduction device composed of high conduction graphite
Fig. 10. Images of led lights by 7 imaging units in turn at 50 050 frame/s
Fig. 11. Images of real objects by 7 imaging units in turn at 50 050 frame/s
Table 1. Random vibration test conditions
View tableView in ArticleTable 1. Random vibration test conditions
Frequency range/Hz Power spectral density Total root mean square value Time 10~95 +6 dB/oct 95~130 1 g2/Hz 130~200 -13 dB/oct 13.6 Grms 2 min 200~600 0.16 g2/Hz 600~2000 -15 dB/oct
Table 2. Impact test conditions
View tableView in ArticleTable 2. Impact test conditions
Frequency range/Hz Amplitude Number of times 100~600 +6 dB/oct Three directions， twice in each direction 600~ 4000 1 000 g
Table 3. FPGA temperature change of each imaging unit with time
View tableView in ArticleTable 3. FPGA temperature change of each imaging unit with time
Imaging unit 0 min 2 min 4 min 6min 8min 10 min Unite 1 70 77 82 86 89 91 Unite 2 70 78 83 87 90 92 Unite 3 70 78 84 88 90 92 Unite 4 70 78 84 88 91 93 Unite 5 70 78 84 87 90 92 Unite 6 70 77 83 87 89 91 Unite 7 70 77 82 86 88 90
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Kui SHI, Hong-tao YANG, Jian-wei PENG, Hao WANG, A-qi YAN. Design of 50000 fps camera system for shooting of high-speed collision process[J]. Optics and Precision Engineering, 2023, 31(1): 69
Paper Information
Category: Modern Applied Optics
Received: Apr. 20, 2022
Accepted: --
Published Online: Feb. 9, 2023
The Author Email: YANG Hong-tao (yanght@opt.ac.cn)
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