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Improved station keeping strategy of spacecraft flying around Sun-Earth libration point

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4 Author(s)
Hanyue Chu ; Dept. of Autom., Tsinghua Univ., Beijing, China ; Tao Zhang ; Yingzi He ; Shaochun Hu

Considering the unstable of spacecraft trajectories around the Sun-Earth liberation points, a new station keeping strategy based on variable time intervals is presented and simulated in this paper. With this method, three different kinds of optimization strategies are conducted and a new performance measure form based on errors is also proposed to obtain a better control strategy which can minimize the system sensitivity of various types of uncertainty. Simulation results are introduced to demonstrate the effectiveness of the proposed methods.

Published in:

Mechatronics and Automation (ICMA), 2012 International Conference on

Date of Conference:

5-8 Aug. 2012