航天器内部磁场环境主动补偿方法

叶建成; 周斌; 张艺腾; 孙政

doi:10.11728/cjss2020.01.093

航天器内部磁场环境主动补偿方法

doi: 10.11728/cjss2020.01.093

叶建成^1,2,
周斌^1, ,,
张艺腾¹,
孙政¹

1. 中国科学院国家空间科学中心空间天气学国家重点实验室北京 100190;
2. 中国科学院大学北京 100049

基金项目:

中国科学院空间科学先导专项项目资助（XDA1502070403）

详细信息

通讯作者:
周斌,E-mail:zhoubin@nssc.ac.cn

中图分类号: V527
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- 文章访问数: 560
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- 被引次数: 0
出版历程
- 收稿日期: 2019-03-14
- 修回日期: 2019-06-14
- 刊出日期: 2020-01-15

Active Compensation Method of Spacecraft Internal Magnetic Field Environment

1 State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing 100190;
2 University of Chinese Academy of Sciences, Beijing 100049

摘要

摘要: 为解决空间引力波探测任务中航天器磁场对惯性传感器干扰的问题，研究在航天器复杂磁环境下利用主动测控方式获取小尺度均匀磁场环境的方法.在惯性传感器周围进行分布式磁场探测，并采用球谐函数法或多磁偶极子法实现对惯性传感器外部磁源的估计，计算惯性传感器所处位置的空间磁场及其梯度分布.利用线圈技术，对磁场及其梯度进行线性补偿.讨论分析传感器数量以及磁源布局方式等因素对最终补偿效果的影响.仿真试验结果表明，通过这一方法可将惯性传感器所在区域的磁场及其梯度降低1～2个数量级，降低引力波航天器平台的剩磁控制压力，为引力波探测提供满足要求的磁场环境.
- 引力波 /
- 磁场 /
- 磁洁净 /
- 磁补偿 /
- 球谐函数 /
- 多磁偶极子
Abstract: In order to solve the problem that spacecraft magnetic field interferes with inertial sensor in the mission of gravitational wave detection. A method of acquiring small-scale uniform magnetic field environment by measurement and active compensation in spacecraft complex magnetic environment is introduced. Magnetic source around inertial sensor and the magnetic field as well as its gradient distribution near inertial sensor can be obtained by distributed magnetic field detecting combined with spherical harmonic function and multi-magnetic dipole method. By properly setting coils, the linear compensation of magnetic field and the first order tensor can be realized. The influences of sensor number, magnetic source layout and other factors on the final compensation effect are discussed. Simulation results show that this method can reduce the magnetic field and its gradient near inertial sensor by 1~2 orders of magnitude, which can reduce residual magnetic control pressure of gravitational wave spacecraft platform and provide a magnetic field environment satisfying the requirements of gravitational wave detection.
- Gravitational wave /
- Magnetic field /
- Magnetic cleanliness /
- Magnetic compensation /
- Spherical harmonic function /
- Multi-magnetic dipole

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