The invention discloses a sun orientation control method for a double-shaft solar panel driving mechanism. The method specifically comprises the following steps: S1, calculating an included angle AngleB between a sun vector # imgabs0 # under an orbital system and an orbital system XoOoZo surface, and calculating an included angle AngleA between the projection of # imgabs1 # on the orbital system XoOoZo surface and an orbital system-Zo axis; s2, the actual rotation angle SADAA of an A shaft in the double-shaft solar panel driving mechanism and the actual rotation angle SADAB of a B shaft in the double-shaft solar panel driving mechanism are collected; s3, defining a threshold change limit A of an A axis of the double-axis solar panel driving mechanism and a threshold change limit B of a B axis of the double-axis solar panel driving mechanism; s4, the working modes of the A axis of the double-axis solar panel driving mechanism are set as A axis capturing, A axis tracking and A axis maintaining; the working mode of the B shaft of the double-shaft solar panel driving mechanism is set to be B shaft capturing and B shaft maintaining; s5, the working mode of the A axis of the double-axis solar panel driving mechanism is determined according to the numerical relation of the AngleA, the SADAA and the limit A; and determining the working mode of the B axis of the double-axis solar panel driving mechanism according to the numerical relationship of the AngleB, the SADAB and the limit B.

    一种双轴太阳帆板驱动机构对日定向控制方法。所述方法具体为:S1、计算轨道系下的太阳矢量#imgabs0#与轨道系XoOoZo面的夹角Angle_B,计算#imgabs1#在轨道系XoOoZo面投影与轨道系‑Zo轴的夹角Angle_A;S2、采集双轴太阳帆板驱动机构中A轴的实际转动角度SADA_A和双轴太阳帆板驱动机构中B轴的实际转动角度SADA_B;S3、定义双轴太阳帆板驱动机构A轴的阈值变limitA和双轴太阳帆板驱动机构B轴的阈值变limitB;S4、设置双轴太阳帆板驱动机构A轴的工作模式为A轴捕获、A轴跟踪和A轴保持;设置双轴太阳帆板驱动机构B轴的工作模式为B轴捕获和B轴保持;S5、根据Angle_A、SADA_A和limitA的数值关系确定双轴太阳帆板驱动机构A轴的工作模式;根据Angle_B、SADA_B和limitB的数值关系确定双轴太阳帆板驱动机构B轴的工作模式。


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    Title :

    Sun orientation control method for double-shaft solar panel driving mechanism


    Additional title:

    一种双轴太阳帆板驱动机构对日定向控制方法


    Contributors:
    GONG ZEYU (author) / LI XIAOMING (author) / XING SIRUI (author) / FAN LINDONG (author) / XU KAI (author) / SUN HONGYU (author) / HUO ZHANWEI (author)

    Publication date :

    2024-05-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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