The invention relates to a method for calculating an attitude determination angle of a rolling, pitching and yawing sun sensor, which relates to the field of spacecraft attitude and orbit control. Themethod comprises the following steps of 1, establishing a measurement coordinate system ON1N2N3 of the sun sensor, measuring a sun vector S-rightarrow of the sun relative to the sun sensor, and establishing a spherical coordinate system by ON1N3-N2, 2, calculating a sun sensor measurement angle psi'''SS from the aspect of a rotation angle, 3, calculating a sun sensor measurement angle psi''SS from the aspect of the angular velocity of the orbit, and 4, calculating an attitude determination angle psiO. According to the method, the attitude is determined by utilizing the sun sensor measurementangle, a unified sun sensor attitude determination coefficient calculation method is obtained, calculation formulas for rolling, pitching and yawing angles are consistent, and physical concepts are clear and definite.

    本发明涉及一种滚动俯仰偏航太阳敏感器定姿角的计算方法,涉及航天器姿轨控制领域;包括如下步骤:步骤一、建立太阳敏感器自身的测量坐标系ON1N2N3;测量太阳相对于太阳敏感器的太阳矢量以ON1N3‑N2建立球坐标系;步骤二、从旋转角度方面计算太敏测量角ψ″′;步骤三、从轨道角速度方面计算太敏测量角ψ″;步骤四、计算定姿角ψ.本发明利用太敏测量角确定姿态,得到了统一的太敏定姿系数计算方法,对于滚动、俯仰和偏航角计算公式一致,物理概念清晰明确。


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    Title :

    Method for calculating attitude determination angle of rolling, pitching and yawing sun sensor


    Additional title:

    一种滚动俯仰偏航太阳敏感器定姿角的计算方法


    Contributors:
    FENG PING (author) / YAN XINYING (author) / SI ZHUHUA (author) / YU JIARU (author) / SUN MINHAO (author)

    Publication date :

    2020-09-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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