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    Fuel efficient methods for satellite stationkeeping and momentum dumping
    2.
    发明公开
    Fuel efficient methods for satellite stationkeeping and momentum dumping 有权
    Treibstoffsparende VerfahrenfürSatellitenlageerhaltung-和Momentenentladung

    公开(公告)号：EP0922635A1

    公开(公告)日：1999-06-16

    申请号：EP98123338.0

    申请日：1998-12-08

    申请人： Hughes Electronics Corporation

    发明人： Anzel, Bernard M. ,  Noyola, Richard A. ,  Ho, Yiu-Hung M.

    IPC分类号： B64G1/26

    CPC分类号： G05D1/0883 ,  B64G1/26 ,  B64G2001/245

    摘要： Satellite stationkeeping and momentum-dumping methods are facilitated by the use of diagonally-arranged thruster pairs (100, 102) which are positioned on a selected one of a nadir and an antinadir satellite face (61, 118). A first one of the thruster pairs is directed so that its thruster forces are spaced by moment arms (84) from the satellite's center of mass (82). Firings of this thruster pair are separated by a momentum-dumping right ascension difference that is chosen to enhance momentum authority. These firings generate momentum-dumping torques and contribute to stationkeeping velocity changes. A second one of the thruster pairs is directed so that its thruster forces substantially pass through the center of mass. Firings of this thruster pair are separated by a stationkeeping right ascension difference chosen to minimize fuel consumption while providing a major portion of stationkeeping velocity changes.

    摘要翻译： 卫星定位和动量倾倒方法通过使用位于天底和天ir卫星面（61,118）中选定的一个上的对角排列的推进器对（100,102）来实现。 推进器对中的第一个被引导为使得其推进器力与来自卫星的质心（82）的力臂（84）间隔开。 这种推进器对的连接由被选择用于增强动量权威的动量倾倒右上升差异分开。 这些发射产生动量倾倒扭矩并有助于保持速度变化。 推进器对中的第二个被引导，使得其推进器力基本上通过质心。 该推进器对的连接被选择用于最小化燃料消耗同时提供驻留速度变化的主要部分的驻车权升降差分开。