Autonomous operation technique of upper stage for multi-satellite deployment

Paper number

IAC-18,D2,3,5,x47561

Author

Dr. Rui Xu, China, Beijing Institute of Technology

Coauthor

Mr. Chao Chen, China, Beijing Institute of Technology

Coauthor

Ms. Zhaoyu Li, China, School of Aerospace Engineering, Beijing Institute of Technology

Coauthor

Prof. Pingyuan Cui, China, School of Aerospace Engineering, Beijing Institute of Technology

Coauthor

Dr. Ai Gao, China, Beijing Institute of Technology

Coauthor

Mr. Fan Xu, China, China Aerospace Science and Technology Corporation (CASC)

Year

2018

Abstract

As an important part of aerospace transportation system, the upper stage has got more and more attention from aerospace powers. The multi-satellite deployment can be realized through the upper stage. Operations of upper stage usually depends on plans made on ground and uploaded as telecommands. However, when emergency occurs or the upper stage is invisible to staff, the original plans may be unavailable and the upper stage needs to make decision and act autonomously. 
In order to support the multi-satellite deployment missions in China, this paper pays attention to autonomous operation technique for upper state, especially autonomous planning technology, to improve the intelligence and robustness of upper stage. Considering strict launching windows of satellites, we propose a time information guided planning method in order to satisfy time constraints. Meanwhile, this method can find a high-quality plan quickly, which can make the upper stage complete a task more efficiently. In this method, state transition graghs related to subsystems of upper stage, such as propulsion system, are used to record time information and calculate shortest path between any two states before planning. In the planning process, actions, which upper stage needs to execute, with lower cost are selected. Finally, experiments on domains about multi-satellite deployment using upper stage are run and the experimental results indicate the effectiveness of our technology

Abstract document

IAC-18,D2,3,5,x47561.brief.pdf

Manuscript document

IAC-18,D2,3,5,x47561.pdf (🔒 authorized access only).

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