Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Simulating and Testing Microvibrations on an Optical Satellite Using Acceleration Sensor-Based Jitter Measurements | |
S.B.Chen; M.Xuan; L.Zhang; S.Gu; X.X.Gong; H.Y.Sun | |
2019 | |
发表期刊 | Sensors
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ISSN | 1424-8220 |
卷号 | 19期号:8页码:13 |
摘要 | The present study uses a method to address microvibrations effects on an optical satellite by combining simulations and experiments based on high-precision acceleration sensors. The displacement and angular displacement of each optical component can be obtained by introducing flywheel perturbation data from a six-component test bench to the finite element model of the optical satellite. Combined with an optical amplification factor inferred from the linear optical model, the pixel offset of the whole optical system is calculated. A high accuracy and broad frequency range for a new microvibration measurement experimental system is established to validate the simulation. The pixel offset of the whole optical system can be measured by testing the acceleration signals of each optical component and calculating optical amplification factors. The results are consistent with optical imaging test results, indicating correctness of the experimental scheme and the effectiveness of the simulation. The results suggest that the effect of microvibrations on a camera can be verified by using mechanical simulators instead of a whole optical camera for the experiment scheme, which is demonstrated to be an effective way for increasing efficiency in jitter measurements. |
关键词 | microvibration,optical amplification factor,acceleration sensor,jitter measurement,pixel offset,micro-vibration |
DOI | 10.3390/s19081797 |
URL | 查看原文 |
收录类别 | SCI ; EI |
语种 | 英语 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/63453 |
专题 | 中国科学院长春光学精密机械与物理研究所 |
推荐引用方式 GB/T 7714 | S.B.Chen,M.Xuan,L.Zhang,et al. Simulating and Testing Microvibrations on an Optical Satellite Using Acceleration Sensor-Based Jitter Measurements[J]. Sensors,2019,19(8):13. |
APA | S.B.Chen,M.Xuan,L.Zhang,S.Gu,X.X.Gong,&H.Y.Sun.(2019).Simulating and Testing Microvibrations on an Optical Satellite Using Acceleration Sensor-Based Jitter Measurements.Sensors,19(8),13. |
MLA | S.B.Chen,et al."Simulating and Testing Microvibrations on an Optical Satellite Using Acceleration Sensor-Based Jitter Measurements".Sensors 19.8(2019):13. |
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Simulating and Testi(6001KB) | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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