北斗卫星整网集中式自主定轨算法研究

Journal of Jilin University (Information Science Edition) ›› 2020, Vol. 38 ›› Issue (4): 428-432.

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Ｒesearch on Centralized Autonomous Orbit Determination Algorithm for Beidou Satellites

LIN Xia^{1，2 ，3 ，4}，LIN Baojun^{1，2 ，3 ，4 ，5}，LIU Yingchun^1，4，BAI Tao²，WU Guoqiang²，WANG Zhengkai^1，4#br#

1． Navigation Satellite Ｒesearch Institute，Shanghai Engineering Center for Microsatellites，Shanghai 201210，China; 2． Academy of Opto-Electronics，Chinese Academy of Sciences，Beijing 100094，China; 3． School of Computer Science and Technology，University of Chinese Academy of Sciences，Beijing 100094，China; 4． Innovation Academy for Microsatellites of Chinese Academy of Sciences，Shanghai 201210，China; 5． College of Information，Shanghai Technology University，Shanghai 201210，China

Received:2020-03-11 Online:2020-07-24 Published:2020-08-13

Abstract

Abstract: Due to the limitation of on-board processing capacity，Beidou satellite uses the distributed algorithm to
realize inter-satellite link autonomous orbit determination． Since the distributed orbit determination algorithm can
only acquire sub-optimal solution，to improve the accuracy of Beidou satellite autonomous navigation algorithm，
the realization method of the centralized orbit determination algorithm for Beidou satellitesis studied． A
centralized orbit determination algorithm based on extended Kalman filter algorithm is proposed and the on-orbit
realization process of the algorithm is designed． Finally，the algorithm accuracy and engineering feasibility are
evaluated by using the LONGXIN 1E300 processor on Beidou satellites． The simulation results show that the
accuracy of the whole network centralized algorithm is better than that of the distributed navigation algorithm． The
simulation on the LONGXIN 1E300 processor shows that the centralized navigation algorithm has met the
requirements for satellite application．

CLC Number:

TP273

LIN Xia, LIN Baojun, LIU Yingchun, BAI Tao, WU Guoqiang, WANG Zhengkai. Ｒesearch on Centralized Autonomous Orbit Determination Algorithm for Beidou Satellites[J].Journal of Jilin University (Information Science Edition), 2020, 38(4): 428-432.

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Ｒesearch on Centralized Autonomous Orbit Determination Algorithm for Beidou Satellites

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