地球静止卫星位置自主确定方法与仿真研究

给出了利用星敏感器测量信息自主确定地球静止卫星位置的方法,利用不同精度的星敏感器测量数据和不同控制精度的卫星姿态测量数据,可以直接计算卫星位置.同时又对测量数据应用卡尔曼滤波进行卫星位置计算仿真,比较两种处理结果的精度.仿真结果表明,提出的方法可以实时自主获取静止卫星的轨道位置,满足静止卫星定点的不同精度需求.

Research and Simulation of Autonomous Position Determination of Geostationary Satellite

The method of autonomous determination of orbit position for the geostationary satellite through the measuring information of the star sensor was proposed. The orbit position of the geostationary satellite could be computed directly by the different measuring information of the star sensor and the different satellite attitude data with various control accuracy. The orbit position could also be computed by the algorithm of traditional Kalman filter based on the different measuring information of the star sensor. The accuracies of the two results were compared. The result of simulation illustrates that the new method of the determination of orbit position for the geostationary satellite not only has the characteristics of autonomy and real time, but also can meet the requirements of the various control accuracy.