一颗低轨道卫星在轨故障抢修与恢复
Spacecraft Engineering(2008)
Abstract
某遥感卫星,在发射入轨稳定运行期间,各项性能指标优于设计要求。由于陀螺停转导致卫星故障,主份贮箱燃料和蓄电池电源已耗尽,卫星处于自由旋转状态。通过实施一系列抢救控制方案,经过2个月左右的艰苦努力,将卫星恢复正常。抢救后的在轨测试表明,卫星各项性能指标与发生故障前相当。文章介绍了卫星抢救过程的控制技术及实施情况。
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Key words
attitude control,magnet control,on-orbit fault,fault recovery
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