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遺伝的アルゴリズムを用いた軌道上磁力計データの較正
https://doi.org/10.18997/0002000368
https://doi.org/10.18997/0002000368e8c0d93d-51a6-41a8-bc35-11aab172f4a5
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
kou_k_582.pdf (10.9 MB)
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| Item type | 学位論文 = Thesis or Dissertation(1) | |||||||
|---|---|---|---|---|---|---|---|---|
| 公開日 | 2024-02-14 | |||||||
| 資源タイプ | ||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||||
| 資源タイプ | doctoral thesis | |||||||
| タイトル | ||||||||
| タイトル | On-orbit Magnetometer Data Calibration Using Genetic Algorithm | |||||||
| 言語 | en | |||||||
| タイトル | ||||||||
| タイトル | 遺伝的アルゴリズムを用いた軌道上磁力計データの較正 | |||||||
| 言語 | ja | |||||||
| 言語 | ||||||||
| 言語 | eng | |||||||
| 著者 |
Withanage, Dulani Chamika
× Withanage, Dulani Chamika
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| 抄録 | ||||||||
| 内容記述タイプ | Abstract | |||||||
| 内容記述 | Magnetometers are used in attitude determination and control systems in satellites. Magnetometers are sensors which collects the magnetic field data. CubeSats are a class of nano satellites. CubeSats have limitations in the design, such as power, mass, and volume. As a result of that, CubeSat magnetometers are not separated from other electrical circuits inside the satellite. The magnetic field created by the other electrical circuits can lead magnetometer to read incorrect magnetic field. Due to this reason, it is important to calibrate the magnetometer, simulating operating conditions while the satellite is running before the launch. But due to limited facilities in most academic laboratories, CubeSat developers are not able to calibrate the magnetometers properly in the ground. We focused on on-orbit magnetometer data observed by BIRDS-3 magnetometer data and KITSUNE. We observed a high oscillation in the total magnetic field were found in the on-orbit magnetic field data measured by magnetometers inside BIRDS-3 CubeSats and KITSUNE. In both projects we used three axis magnetometers. BIRDS-3 CubeSats were deployed to orbit on 17th June 2019. In BIRDS-3 case, nine unknows were identified. They are scaling factors, nonorthogonal angles, and offsets. We used model magnetic field as the true solution. KITSUNE was deployed to orbit on 24th of March 2022. Six unknowns were identified in the KITSUNE case: scaling factors and offsets. Genetic algorithms need a fitness function to find the best match for the unknowns. This study tries to investigate the reasons for the oscillations observed in the onorbit magnetometer data. Moreover, this research tries to verify the effectiveness of genetic algorithms to calibrate the magnetometer data. This study also shows interchangeability of the answers with additional orbit data from the same satellite to find the best match for the measured magnetic field. |
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| 言語 | en | |||||||
| 目次 | ||||||||
| 内容記述タイプ | TableOfContents | |||||||
| 内容記述 | 1.Introduction | 2. Research Purpose | 3. Research Method | 4 Results | 5. Discussion | 6. Conclusion | 7. References | 8. Appendix | |||||||
| 言語 | en | |||||||
| 備考 | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | 九州⼯業⼤学博⼠学位論⽂ 学位記番号：工博甲第582号 学位授与年⽉⽇: 令和5年12⽉27⽇ | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | On-Orbit | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | Magnetometer | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | sensor | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | calibration | |||||||
| キーワード | ||||||||
| 主題Scheme | Other | |||||||
| 主題 | Genetic algorithm | |||||||
| 学位授与番号 | ||||||||
| 学位授与番号 | 甲第582号 | |||||||
| 学位名 | ||||||||
| 学位名 | 博士（工学） | |||||||
| 学位授与年月日 | ||||||||
| 学位授与年月日 | 2023-12-27 | |||||||
| 学位授与機関 | ||||||||
| 学位授与機関識別子Scheme | kakenhi | |||||||
| 学位授与機関識別子 | 17104 | |||||||
| 学位授与機関名 | 九州⼯業大学 | |||||||
| 学位授与年度 | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | 令和5年度 | |||||||
| 出版タイプ | ||||||||
| 出版タイプ | VoR | |||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||
| アクセス権 | ||||||||
| アクセス権 | open access | |||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||
| ID登録 | ||||||||
| ID登録 | 10.18997/0002000368 | |||||||
| ID登録タイプ | JaLC | |||||||
