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    Hybrid Low Thrust Propulsion Trajectory Design and Optimization Using Virtual Gravity Method
    EDP Sciences ; 2018
    In:  Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University Vol. 36, No. 4 ( 2018-08), p. 618-626
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    In: Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University, EDP Sciences, Vol. 36, No. 4 ( 2018-08), p. 618-626
    Abstract: 针对连续小推力轨道设计问题，提出了一种采用虚拟引力场的太阳帆-电推进混合小推力轨道设计与优化方法。首先，给出了虚拟引力场的定义，以及太阳帆/电推进混合推力模型；然后建立了基于混合推进方法设计连续小推力机动轨道设计模型；并推导了该动力学模型的解析解；其次采用四阶龙格库塔数值方法分析了该解析解的精度，提出了误差因子参数的概念，采用误差因子参数约束来保证解析解精度。最后，以地球-火星转移轨道设计的算例，求解了采用太阳帆/电推进混合推进方式实现航天器轨道机动，并将其结果与单独电推力方法进行了对比。仿真结果表明，该方法能够大大减小燃料消耗以及轨道转移任务时间；与混合连续推力间接优化方法相比，该解析方法能够很大程度上减少计算时间。
    Type of Medium: Online Resource
    ISSN: 1000-2758 , 2609-7125
    URL: Article
    DOI: 10.1051/jnwpu/20183640618
    Language: English
    Publisher: EDP Sciences
    Publication Date: 2018
    detail.hit.zdb_id: 2486045-1
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