Decentralized robust coordinated control for formation flying spacecraft with coupled attitude and translational dynamics

作者：Zhang Bao Qun^*; Song Shen Min; Chen Xing Lin

来源：Proceedings of the Institution of Mechanical Engineers - Part G: Journal of Aerospace Engineering , 2013, 227(G5): 798-815.

DOI：10.1177/0954410012442606

• Spacecraft formation flying
• attitude and translational coupling
• coordinated control
• adaptive control
• switching topologies
• communication delays

This article investigates the decentralized coordinated control problem for formation flying spacecraft associated with coupled attitude and translational dynamics by probing into local information exchange among spacecraft. A six degree-of-freedom coupled model is established by employing the unified Euler-Lagrange formulations of attitude dynamics and translational dynamics. With the novel use of adaptive control, a six degree-of-freedom continuous robust coordinated controller is proposed in the presence of parametric uncertainty and time-varying disturbances with unknown bounds. Furthermore, it is extended to the case where both of switching topologies and non-constant communication delays exist. The six degree-of-freedom coordinated controller can guarantee formation spacecraft follow a time-varying reference trajectory while aligning their attitudes and keeping some special formation configuration. Numerical simulations demonstrate the effectiveness of the proposed control scheme.

• 出版日期2013-5
• 单位哈尔滨工业大学