Development and testing of platform-based aviation gravity instrument
Taking a certain type of domestically produced aviation gravity meter as an example, this paper introduces the working principle, equipment composition, and field performance testing methods of the three-axis inertial stabilizer platform aviation gravimeter. Through error model analysis, it is point...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Progress in Earthquake Sciences
2024-11-01
|
| Series: | 地震科学进展 |
| Subjects: | |
| Online Access: | https://www.gjdzdt.cn/en/article/doi/10.19987/j.dzkxjz.2024-011 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850063861848211456 |
|---|---|
| author | Wei Gao Da Li Jin Liang Xiaolu Hou |
| author_facet | Wei Gao Da Li Jin Liang Xiaolu Hou |
| author_sort | Wei Gao |
| collection | DOAJ |
| description | Taking a certain type of domestically produced aviation gravity meter as an example, this paper introduces the working principle, equipment composition, and field performance testing methods of the three-axis inertial stabilizer platform aviation gravimeter. Through error model analysis, it is pointed out that high-precision horizontal attitude holding is one of the key factors to further improve the accuracy of aviation gravity measurement. A rotation combination calibration method under inertial stabilization conditions combined with Kalman filter error estimation is established to improve the efficiency of field implementation while maintaining the calibration accuracy of inertial components. In addition, based on the characteristics of aviation gravity measurement, a set of instrument performance evaluation methods including static accuracy measurement and dynamic accuracy testing before formal field operation is summarized. The test results show that the static accuracy of this type of aviation gravimeter reaches 0.14×10−5 m/s2, the dynamic internal consistency is better than 0.63×10−5 m/s2, and the system difference is better than 0.23×10−5 m/s2, reaching the level of high-end foreign aviation gravimeters. In the future, with further improvement of instrument and differential GNSS accuracy, its application in the field of seismic science will be expanded. |
| format | Article |
| id | doaj-art-27d9775a7bcc4574b5b166bbf501878a |
| institution | DOAJ |
| issn | 2096-7780 |
| language | zho |
| publishDate | 2024-11-01 |
| publisher | Editorial Office of Progress in Earthquake Sciences |
| record_format | Article |
| series | 地震科学进展 |
| spelling | doaj-art-27d9775a7bcc4574b5b166bbf501878a2025-08-20T02:49:29ZzhoEditorial Office of Progress in Earthquake Sciences地震科学进展2096-77802024-11-01541176877710.19987/j.dzkxjz.2024-0112024-011Development and testing of platform-based aviation gravity instrumentWei Gao0Da Li1Jin Liang2Xiaolu Hou3Tianjin Institute of Marine Instruments, Tianjin 300131, ChinaTianjin Institute of Marine Instruments, Tianjin 300131, ChinaTianjin Institute of Marine Instruments, Tianjin 300131, ChinaTianjin Institute of Marine Instruments, Tianjin 300131, ChinaTaking a certain type of domestically produced aviation gravity meter as an example, this paper introduces the working principle, equipment composition, and field performance testing methods of the three-axis inertial stabilizer platform aviation gravimeter. Through error model analysis, it is pointed out that high-precision horizontal attitude holding is one of the key factors to further improve the accuracy of aviation gravity measurement. A rotation combination calibration method under inertial stabilization conditions combined with Kalman filter error estimation is established to improve the efficiency of field implementation while maintaining the calibration accuracy of inertial components. In addition, based on the characteristics of aviation gravity measurement, a set of instrument performance evaluation methods including static accuracy measurement and dynamic accuracy testing before formal field operation is summarized. The test results show that the static accuracy of this type of aviation gravimeter reaches 0.14×10−5 m/s2, the dynamic internal consistency is better than 0.63×10−5 m/s2, and the system difference is better than 0.23×10−5 m/s2, reaching the level of high-end foreign aviation gravimeters. In the future, with further improvement of instrument and differential GNSS accuracy, its application in the field of seismic science will be expanded.https://www.gjdzdt.cn/en/article/doi/10.19987/j.dzkxjz.2024-011aircraft gravity measurementthree-axis inertial stabilization platformautonomous calibrationkalman filter error estimationaccuracy evaluation |
| spellingShingle | Wei Gao Da Li Jin Liang Xiaolu Hou Development and testing of platform-based aviation gravity instrument 地震科学进展 aircraft gravity measurement three-axis inertial stabilization platform autonomous calibration kalman filter error estimation accuracy evaluation |
| title | Development and testing of platform-based aviation gravity instrument |
| title_full | Development and testing of platform-based aviation gravity instrument |
| title_fullStr | Development and testing of platform-based aviation gravity instrument |
| title_full_unstemmed | Development and testing of platform-based aviation gravity instrument |
| title_short | Development and testing of platform-based aviation gravity instrument |
| title_sort | development and testing of platform based aviation gravity instrument |
| topic | aircraft gravity measurement three-axis inertial stabilization platform autonomous calibration kalman filter error estimation accuracy evaluation |
| url | https://www.gjdzdt.cn/en/article/doi/10.19987/j.dzkxjz.2024-011 |
| work_keys_str_mv | AT weigao developmentandtestingofplatformbasedaviationgravityinstrument AT dali developmentandtestingofplatformbasedaviationgravityinstrument AT jinliang developmentandtestingofplatformbasedaviationgravityinstrument AT xiaoluhou developmentandtestingofplatformbasedaviationgravityinstrument |