Infrared and Laser Engineering, Volume. 52, Issue 12, 20230354(2023)
Research on decomposition method of camera LOS thermal stability index based on Monte Carlo method
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Fig. 4. Probability of meeting indicators under different weight ratios
Table 1. LOS-six degrees of freedom displacement sensitivity matrix of each component (Unit: (″)/μm or (″)/s)
View tableView in ArticleTable 1. LOS-six degrees of freedom displacement sensitivity matrix of each component (Unit: (″)/μm or (″)/s)
Direction Component TX TY TZ RX RY RZ Meridian PM −0.33 0 0 0 −2 0 SM 0.25 0 0 0 0.488 0 TM 0.134 0 0.01 0 0.348 0 Sagittal PM 0 −0.33 0 2 0 0 SM 0 0.25 0 −0.45 0 0 TM 0 0.133 0 −0.35 0 −0.01
Table 2. Allowable values of thermal displacement for different optical components
View tableView in ArticleTable 2. Allowable values of thermal displacement for different optical components
Component TX/μm TY/μm TZ/μm RX/(″) RY/(″) RZ/(″) PM 0.76 0.76 13 0.1 0.1 5 SM 1.5 1.5 20 0.4 0.4 5 TM 2.5 2.5 25 0.8 0.8 5
Table 3. Design results of each component
View tableView in ArticleTable 3. Design results of each component
Component Temperature range/℃ Maximum displacement TX/ μm TY/ μm TZ/ μm RX/ (″) RY/ (″) RZ/ (″) PM 20±1 0.5 0.51 0.66 0.08 0.07 0.08 SM 20±2 1.2 1.2 0.8 0.3 0.31 0.4 TM 20±5.5 2.2 2.1 2.5 0.7 0.6 0.9
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Yong Liu, Tianjin Tang, Qiaoxia Wang, Yanhui Jiang, Yongli Hu. Research on decomposition method of camera LOS thermal stability index based on Monte Carlo method[J]. Infrared and Laser Engineering, 2023, 52(12): 20230354
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Received: Jun. 14, 2023
Accepted: --
Published Online: Feb. 23, 2024
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