A satellite attitude maneuver method after specific failure reconstruction of a pentagonal pyramid configuration SGCMG belongs to the technical field of spacecraft attitude control, comprises a single-axis pointing maneuver strategy of a satellite after failure reconstruction of a control moment gyroscope combination part, and is suitable for a satellite which is provided with a pentagonal pyramid configuration and has a single-axis space pointing requirement. According to the designed method, by designing maneuvering initial angular momentum configuration and a target attitude, it is guaranteed that the angular momentum of the control moment gyroscope combination is in the optimal state under the target observation attitude, target maneuvering is executed in the two stages of singularity avoidance and target maneuvering, and it is guaranteed that the angular momentum of the control moment gyroscope combination does not generate singularity in the maneuvering process. The maneuvering strategy provided by the invention ensures that the satellite does not generate angular momentum singularity in the target maneuvering process, the angular momentum is in an optimal state during target observation, and for the satellite which loses the triaxial maneuvering capability due to partial failure of the control moment gyroscope, the task execution capability of the satellite is ensured, and the availability of the satellite is improved.

    一种五棱锥构型SGCMG特定失效重构后的卫星姿态机动方法,属于航天器姿态控制技术领域,包括卫星在控制力矩陀螺组合部分失效重构后的单轴指向机动策略,适用于配备有五棱锥构型的具有单轴空间指向需求的卫星。所设计的方法在通过对机动初始角动量配置和目标姿态进行设计保证目标观测姿态下控制力矩陀螺组合角动量处于最优状态,将目标机动分为奇异规避和目标机动两段执行,保证在机动过程中控制力矩陀螺组合角动量不发生奇异。本发明提出的机动策略保证卫星在目标机动过程中不发生角动量奇异,且目标观测时角动量处于最优状态,对于由于控制力矩陀螺部分失效而失去三轴机动能力的卫星,保证了其任务执行能力,提高了卫星的可用性。


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    Title :

    Satellite attitude maneuvering method after specific failure reconstruction of pentagonal pyramid configuration SGCMG


    Additional title:

    一种五棱锥构型SGCMG特定失效重构后的卫星姿态机动方法


    Contributors:
    LI DETING (author) / SUN ZIYU (author) / PAN XIAODONG (author) / CHEN CHAO (author) / ZHOU ZEYA (author)

    Publication date :

    2024-09-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS




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