A Method of Autonomous Optical Navigation with Radio Beacon Auxiliary Information at the Approach Phase of Deep Space Exploration

Zhu Shengying; Jing Yan

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A Method of Autonomous Optical Navigation with Radio Beacon Auxiliary Information at the Approach Phase of Deep Space Exploration

Zhu Shengying * #,Jing Yan

School of Aerospace Engineering, Beijing Institute of Technology

*Correspondence author

#Submitted by

Subject:

Funding: Fund for the Doctoral Program of Higher Education of China （No.No.20121101120006）

Opened online:30 May 2016

Accepted by: none

Citation: Zhu Shengying,Jing Yan.A Method of Autonomous Optical Navigation with Radio Beacon Auxiliary Information at the Approach Phase of Deep Space Exploration[OL]. [30 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4692757

According to task requests of deep space exploration approach phase such as autonomy, real-time and so on, we do a research into the problem of autonomous navigation at this approach phase and put forward an autonomous navigation project which makes use of radio beacon and navigation camera to determine relative position and velocity of the spacecraft. The radio beacon can measure its distance to the spacecraft and the navigation camera can acquire the line-of-sight vector to the target. With kalman filter we can get the spacecraft's state information. The observability degree of the navigation system is increased by importing a new observation. In order to verify the performance of this autonomous navigation system, simulink tests based on the practical data of Deep Impact mission are carried on. The results show that the presented method can not only meet navigation requests of approach phase but also gain the navigation system observability degree

Keywords:optical navigation; deep space explorer; radio ranging; kalman filter

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