supported by the China Aerospace Science and Technology Corporation Eighth Research Institute Industry-University-Research Cooperation Fund(SAST 2020-019).
Relative navigation is crucial for spacecraft noncooperative rendezvous,and angles-only navigation using visible and infrared cameras provides a feasible solution.Herein,an angles-only navigation algorithm with multis...
This work was supported by the National Natural Science Foundation of China(No.61803028)and Civil Aerospace Advance Research Project.
On May 15,2021,the Tianwen-1 lander successfully touched down on the surface of Mars.To ensure the success of the landing mission,an end-to-end Mars entry,descent,and landing(EDL)simulator is developed to assess the g...
This work was partially supported by the National Natural Science Foundation of China(No.11572345);the Science Project of the National University of Defense Technology(Nos.ZK17-03-21 and ZK18-03-07).
The method proposed in this paper is adopted to solve problem B of the 9th China Trajectory Optimization Competition(CTOC).An accurate and economical constellation design strategy for regional augmented navigation sat...
The asteroid explorer Hayabusa2 carries multiple rovers and separates them to land on an asteroid surface.One of these rovers,called MASCOT,was developed under the international cooperation between the Deutsches Zentr...
The Japanese interplanetary probe Hayabusa2 was launched on December 3,2014 and the probe arrived at the vicinity of asteroid 162173 Ryugu on June 27,2018.During its 1.4 years of asteroid proximity phase,the probe suc...
Hayabusa2 is a Japanese sample return mission from the asteroid Ryugu.The Hayabusa2 spacecraft was launched on 3 December 2014 and arrived at Ryugu on 27 June 2018.It stayed there until December 2019 for in situ obser...
Hayabusa2 is a Japanese sample return mission from the near-Earth asteroid Ryugu.The Hayabusa2 spacecraft was launched on December 3,2014,and reached the asteroid on June 27,2018.It remained there until November 13,20...
The authors are grateful for the nancial support of the National Natural Science Foundation of China(Grant No.11772074).
Accurate state estimations are perquisites of autonomous navigation and orbit maintenance missions.The extended Kalman lter(EKF)and the unscented Kalman lter(UKF),are the most commonly used method.However,the EKF resu...
the National Natural Science Foundation of China(Grant No.11672126);Innovation Funded Project of Shanghai Aerospace Science and Technology(Grant No.SAST2015036);the Opening Grant from the Key Laboratory of Space Utilization,Chinese Academy of Sciences(LSU-2016-07-01);Funding of Jiangsu Innovation Program for Graduate Education(Grant No.KYZZ160170);the Fundamental Research Funds for the Central Universities;Funding for Outstanding Doctoral Dissertation in NUAA(Grant No.BCXJ16-10);The authors fully appreciate their financial supports.
Scheduled for an Earth-to-Mars launch opportunity in 2020,the China’s Mars probe will arrive on Mars in 2021 with the primary objective of injecting an orbiter and placing a lander and a rover on the surface of the R...