The embodiment of the invention discloses a method for autonomously maintaining the orbit height of an ultra-low orbit satellite. In one specific implementation mode, the method comprises the steps that the position and the speed output by a satellite-borne GNSS receiver of a satellite serve as input, the actual intersection point period value of the satellite is calculated when the satellite is located at an ascending node or a descending node, and orbit maneuver is executed according to the relation between the actual intersection point period value and an intersection point period target value so as to maintain the orbit height. According to the autonomous maintenance method for the orbit height of the ultra-low orbit satellite, the position and the speed output by the satellite-borne GNSS receiver of the satellite serve as input, electric propulsion and chemical propulsion are combined for implementation, and the advantages that the consumption of an electric propulsion working medium is small and the thrust effect of chemical propulsion is large can be comprehensively utilized, so that in-orbit autonomous orbit maintenance of the orbit height is achieved.

    本发明实施例公开一种超低轨道卫星轨道高度自主维持方法。在一具体实施方式中,该方法包括:以卫星的星载GNSS接收机输出的位置和速度作为输入,在卫星处于升交点或降交点时计算卫星的交点周期实际值,根据交点周期实际值与交点周期目标值的关系执行轨道机动,以维持轨道高度。本发明的一种超低轨道卫星轨道高度自主维持方法,以卫星的星载GNSS接收机输出的位置和速度作为输入,采用电推进和化学推进组合实现,能够综合利用电推进工质消耗少和化学推进推力作用大的优点,以实现轨道高度在轨自主轨道维持。


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    Titel :

    Method for autonomously maintaining orbit height of ultra-low orbit satellite


    Weitere Titelangaben:

    一种超低轨道卫星轨道高度自主维持方法


    Beteiligte:
    ZHAO SHUGE (Autor:in) / LIU QI (Autor:in) / LI XIAOYU (Autor:in) / LEI YAKE (Autor:in) / ZHANG NAN (Autor:in)

    Erscheinungsdatum :

    31.10.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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