某型號衛(wèi)星磁環(huán)境兼容性分析與控制

Analysis and control of magnetic environment compatibility for satellite

摘要: 某型號衛(wèi)星的主探測器光電倍增管對衛(wèi)星的磁環(huán)境非常敏感，因此衛(wèi)星的磁兼容分析和磁設(shè)計非常重要。文章結(jié)合此衛(wèi)星的特點對整星的磁場和磁矩等磁兼容性進行了分析計算；對載荷的磁屏蔽方案進行了分析和試驗，并根據(jù)試驗結(jié)果給出了磁屏蔽的優(yōu)化方案；通過分析磁兼容性對姿軌控系統(tǒng)的影響，提出了衛(wèi)星設(shè)計的約束條件，最后給出了磁兼容性分析的結(jié)論。

Abstract: The PhotoMultiplier Tube (PMT) of the main probe in satellite’s payloads is very sensitive to magnetic environment, so it is important to carry out magnetic compatibility analysis and control. In this paper, the magnetic field and the magnetic moment of a certain satellite are analyzed and calculated based on the characteristics of the satellite. A scheme for a magnetic shield is examined and tested. Based on the test results, an optimization design of the magnetic shield is proposed. From the influence of the magnetic compatibility on the attitude control, the constraint conditions for the satellite design are suggested. In the end, a magnetic compatibility analysis is given.

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