TY - GEN
T1 - A New Four-Axis Angular Displacement Measurement System Based on Laser Gyro
AU - Liu, Qiang
AU - Liu, Yang
AU - Yu, Lijia
AU - Sun, Hualiang
AU - Wang, Guochen
AU - Yang, Ning
AU - Zhang, Jiande
N1 - Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.
PY - 2024
Y1 - 2024
N2 - With the development of remote sensing satellites, the influence of satellite platform micro-vibration on the imaging quality and application of high-resolution satellites is becoming more and more obvious. In this paper, a new four-axis angular displacement measurement system on orbit is proposed, which can be used to measure the micro-vibration of satellite platform. By using high-frequency and high-precision four-mode differential laser gyro, the problem of satellite platform high-frequency micro-vibration measurement is solved. Through a new system architecture, a four-axis measurement system is realized, and any axis can be backed up. By optimizing the application strategy, the high-performance measurement is ensured and the reliability of the system is improved. By designing the magnetic shield structure, the ability of the system to resist the interference of alternating magnetic field is improved, and the lightweight design is realized at the same time. For four-axis measurement systems, the calibration method of mounting matrix is realized. Through performance test, the system measurement accuracy is better than 0.003ʺ (3σ), and the anti-interference ability of alternating magnetic field is improved, which is more conducive to long-term use on orbit in complex environment and has obvious effect on image compensation and geometric correction.
AB - With the development of remote sensing satellites, the influence of satellite platform micro-vibration on the imaging quality and application of high-resolution satellites is becoming more and more obvious. In this paper, a new four-axis angular displacement measurement system on orbit is proposed, which can be used to measure the micro-vibration of satellite platform. By using high-frequency and high-precision four-mode differential laser gyro, the problem of satellite platform high-frequency micro-vibration measurement is solved. Through a new system architecture, a four-axis measurement system is realized, and any axis can be backed up. By optimizing the application strategy, the high-performance measurement is ensured and the reliability of the system is improved. By designing the magnetic shield structure, the ability of the system to resist the interference of alternating magnetic field is improved, and the lightweight design is realized at the same time. For four-axis measurement systems, the calibration method of mounting matrix is realized. Through performance test, the system measurement accuracy is better than 0.003ʺ (3σ), and the anti-interference ability of alternating magnetic field is improved, which is more conducive to long-term use on orbit in complex environment and has obvious effect on image compensation and geometric correction.
KW - Four-axis angular displacement measurement system
KW - Four-mode differential laser gyro
KW - Platform micro-vibration
UR - https://www.scopus.com/pages/publications/85207644530
U2 - 10.1007/978-981-97-6718-2_35
DO - 10.1007/978-981-97-6718-2_35
M3 - 会议稿件
AN - SCOPUS:85207644530
SN - 9789819767175
T3 - Springer Proceedings in Physics
SP - 402
EP - 411
BT - Proceedings of the 8th International Symposium of Space Optical Instruments and Applications - ISSOIA 2023
A2 - Urbach, H. Paul
A2 - Li, Deren
A2 - Yu, Dengyun
PB - Springer Science and Business Media Deutschland GmbH
T2 - 8th International Symposium of Space Optical Instruments and Applications, ISSOIA 2023
Y2 - 15 November 2023 through 17 November 2023
ER -