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航空航天科学与工程
Research on Real-Time Reentry Trajectory Reconstruction Base on Multiple Model
In order to solve the problem that it is difficult to establish an accurate dynamic model of spacecraft geocentric under predictive guidance,an interactive multi model real-time reentry trajectory reconstruction method is proposed in this paper.Multiple reentry guidance rates are designed,using multiple parallel filters to filter each guidance rate model,and the calculated model probability is used to realize data fusion finally.Through the reentry data test of the new generation spacecraft mission,this method can correct the reentry dynamics model,solve the problem of real-time trajectory reconstruction when the model is not accurate,and provide support for the real-time reentry trajectory reconstruction of the subsequent Chang'e-5 mission.
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第40届中国控制会议论文集(6)
2021年
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