Volume 40 Issue 1
Jan.  2020
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YE Jiancheng, ZHOU Bin, ZHANG Yiteng, SUN Zheng. Active Compensation Method of Spacecraft Internal Magnetic Field Environment[J]. Journal of Space Science, 2020, 40(1): 93-101. doi: 10.11728/cjss2020.01.093
Citation: YE Jiancheng, ZHOU Bin, ZHANG Yiteng, SUN Zheng. Active Compensation Method of Spacecraft Internal Magnetic Field Environment[J]. Journal of Space Science, 2020, 40(1): 93-101. doi: 10.11728/cjss2020.01.093

Active Compensation Method of Spacecraft Internal Magnetic Field Environment

doi: 10.11728/cjss2020.01.093
  • Received Date: 2019-03-14
  • Rev Recd Date: 2019-06-14
  • Publish Date: 2020-01-15
  • 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.

     

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