Attitude measurement is necessary for spacecraft in the missions such as earth observation and deep space exploration. A star tracker is a kind of attitude sensors on spacecraft with the highest precision, and the attitude update rate of a star tracker is insufficient with the development of high-resolution earth observation. The attitude measurement for spacecraft with high update rate is proposed in this paper. The rolling shutter (RS) imaging mode of a star tracker is used to acquire star images, and the star spots in the star images are exposed at different times. The attitude measurement with a single star spot is developed for completing the multiple attitude updates by a star image. The experiment results illustrate that the attitude update rate is increased significantly.


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    Title :

    Attitude measurement for spacecraft with high update rate based on the rolling shutter mode of a star tracker


    Contributors:
    Zhang, S. (author) / Xing, F. (author)


    Publication date :

    2018-08-01


    Size :

    217441 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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