Event-Triggered Attitude-Orbit Coupled Fault-Tolerant Control for Multi-Spacecraft Formation

Tao Wang, Yingchun Zhang and Hongchen Jiao
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Tao Wang: School of Astronautics, Harbin Institute of Technology, Harbin 150001, China
Yingchun Zhang: School of Astronautics, Harbin Institute of Technology, Harbin 150001, China
Hongchen Jiao: China Academy of Space Technology, Beijing 100094, China

Mathematics, 2022, vol. 10, issue 12, 1-20

Abstract: In this paper, the attitude-orbit coupled control problem for multi-spacecraft formation with limited communication capability and actuator failure is investigated. For the purpose of solving this problem, an event-triggered attitude-orbit coupled fault-tolerant control strategy is proposed. First, an integrated nonlinear dynamic model including the coupling characteristics of the attitude and orbit is established based on the Kane equation. Second, the nonlinear dynamic model is linearized at the reference state to facilitate the controller design. Third, a dynamic event-triggered mechanism is designed and an event-triggered fault-tolerant control law is developed. The stability of closed-loop control systems can be ensured under the designed control law and a sufficient condition that Zeno’s behavior can be avoided is presented. Finally, simulation results are given to show the effectiveness of the proposed control method.

Keywords: attitude-orbit control; fault-tolerant control; spacecraft formation; dynamic event-triggered mechanism; actuator failure (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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