The invention discloses a rapid collision early warning method for improving space flux of constellation satellites, and belongs to the field of satellite collision early warning. The implementation method comprises the following steps: establishing a related coordinate system and a dynamic model, and giving an error propagation calculation model; two methods of near/apogee screening and orbital plane intersection line distance screening are respectively utilized to screen out evaluation objects with overlarge difference of orbital characteristics. And calculating the space density on the orbit of each of the remaining satellites, determining a dangerous area on the orbit of the target satellite by using an improved space flux expression, and calculating and determining a subsequent evaluation object by using a time screening method and a minimum relative distance. Based on a screening process of improved space flux, information is provided for task planning and early warning decision, and the collision risk degree of each section of a target satellite orbit and a satellite constellation is visually displayed. Individual threat targets are efficiently determined from the satellite constellation, the reserved assessment object enters a risk assessment link, the collision threat is clear through the collision probability criterion, and the constellation satellite collision early warning precision and efficiency are improved.

    本发明公开的一种星座卫星改进空间通量的快速碰撞预警方法,属于卫星碰撞预警领域。本发明实现方法为:建立相关坐标系与动力学模型,给出误差传播计算模型。分别利用近/远地点筛选与轨道面交线距离筛选两种方法,筛除轨道特性差异过大的评估对象。计算余下各星轨道上的空间密度,利用改进空间通量表达式,明确目标星轨道上的危险区域,利用时间筛选法与最小相对距离计算确定后续评估对象。基于改进空间通量的筛选过程,给任务规划与预警决策提供信息,直观显示目标星轨道各段与卫星星座碰撞风险程度。从卫星星座中高效率地确定个别威胁目标,保留的评估对象进入风险评估环节,通过碰撞概率判据明确其碰撞威胁,提高星座卫星碰撞预警精度和效率。


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    Title :

    Rapid collision early warning method for improving space flux of constellation satellites


    Additional title:

    一种星座卫星改进空间通量的快速碰撞预警方法


    Contributors:
    LONG JIATENG (author) / HUANG ZHENLEI (author) / CUI PINGYUAN (author) / ZHU SHENGYING (author) / XU RUI (author) / LIANG ZIXUAN (author)

    Publication date :

    2023-12-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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