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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2020, Vol. 41 ›› Issue (8): 623734-623734.doi: 10.7527/S1000-6893.2020.23734

• Special Topic of Starlight Navigation Technology • Previous Articles     Next Articles

Stellar refraction: Continuous correction and guidance planning

WEI Shihui, YANG Chunwei, LIU Bingqi, WANG Jiping, SU Guohua   

  1. Rocket Military Institute, Beijing 100096, China
  • Received:2019-12-16 Revised:2019-12-30 Online:2020-08-15 Published:2020-03-20

Abstract: To overcome the intrinsic shortcomings of the stellar refraction model, this study examines the continuous correction of stellar refraction. First of all, the distribution rule of refraction stars is explored, followed by the location of the stars through Unscented Kalman Filter and continuous observation of multiple stars. Meanwhile, the constraint mechanism of stellar guidance is studied, involving available stars, star selection elements and design of the stellar guidance trajectory based on penetration planning. Furthermore, an inertial/stellar guidance planning method involving the optimal selection strategy and technology of the navigation star and the accurate calculation of star position is proposed. Finally, the composition and working principle of the stellar guidance system are introduced.

Key words: stellar refraction, exponent model, integrated navigation, continuous correction, guidance planning

CLC Number: