Relative navigation of the non-cooperative space target is a key technology for the missions such as on-orbit servicing and close-range surveillance. Recent research shows that a weak observation exists along the range direction when the line-of-sight angle is used as the measurement information for medium range relative navigation, and double line-of-sight relative navigation is an effective solution to this problem. This paper studies an autonomous double line-of-sight measurement relative navigation method based on the formation of dual chase spacecraft. The overall architecture and detailed algorithms for the double line-of-sight measurement relative navigation method are introduced. Based on the geometric configuration among the dual chase spacecraft and the target, the propagation equation for the errors in the double line-of-sight measurement method is developed and its in-fluencing factors are analyzed. The configuration of the dual chaser formation and its influence on the performance of the method is also discussed. Numerical simulations verifies the relevant conclusions obtained.
WANG Kai
,
XU Shijie
,
LI Kang
,
TANG Liang
. Error analysis and formation design for double line-of-sight measuring relative navigation method[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2018
, 39(9)
: 322014
-322028
.
DOI: 10.7527/S1000-6893.2018.22014
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