Robust reliable control for autonomous spacecraft rendezvous with limited-thrust |
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| Authors: | Xuebo Yang Huijun Gao |
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| Institution: | 1. College of Automation, Harbin Engineering University, Harbin 150001, China;2. Research Center of Satellite Technology, Harbin Institute of Technology, Harbin 150001, China;1. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China;2. Department of Mechanical Engineering, McGill University, QC, Canada H3A 2K6;1. Department of Astronomy, Yonsei University, Seoul 03722, Republic of Korea;2. Yonsei University Observatory, Yonsei University, Seoul 03722, Republic of Korea |
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| Abstract: | This paper investigates the problem of robust reliable control for the spacecraft rendezvous with limited-thrust. Based on the Clohessy–Wiltshire (C–W) equations and by considering the uncertainties and the possible failures, the dynamic model for spacecraft rendezvous is proposed, and the orbital transfer control problem is transformed into a stabilization problem. Then, by a Lyapunov approach, the existence conditions for admissible controllers are formulated in the form of linear matrix inequalities (LMIs), and the controller design is cast into a convex feasibility problem subject to LMI constraints. With the obtained controllers, the rendezvous can be accomplished with the limited-thrust in spite of the possible thruster failures. The effectiveness of the proposed approach is illustrated by simulation examples. |
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