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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2020, Vol. 41 ›› Issue (2): 323428-323428.doi: 10.7527/S1000-6893.2019.23428

• Electronics and Electrical Engineering and Control • Previous Articles     Next Articles

Immersion and invariance based attitude adaptive tracking control for spacecraft

XIA Dongdong1,2, YUE Xiaokui1,2   

  1. 1. National Key Laboratory of Aerospace Flight Dynamics, Northwestern Polytechnical University, Xi'an 710072, China;
    2. School of Astronautics, Northwestern Polytechnical University, Xi'an 710072, China
  • Received:2019-09-02 Revised:2019-10-08 Online:2020-02-15 Published:2019-11-14
  • Supported by:
    National Natural Science Foundation of China (11972026);the Fundamental Research Funds for the Central Universities

Abstract: In this paper, the spacecraft attitude tracking control with inertia uncertainty is addressed, and a novel Immersion and Invariance (I&I) based adaptive tracking controller is proposed. The results show that the parametric regression matrix is not integrable when I&I methodology is applied to the attitude dynamic systems, which leads to non-analytical solution of partial differential equations in the I&I controller design. To overcome this problem, this paper presented a new I&I adaptive tracking controller for the spacecraft attitude via the dynamic scaling technique. A rigorous Lyapunov analysis is provided to guarantee the globally asymptotic stability of the closed-loop systems. A key feature in this paper is that the controller implementation is no need of the scaling factor and the prior knowledge of inertia matrix by virtue of the innovative scaling factor design. Finally, the effectiveness and superiority of the proposed controller are illustrated by numerical simulations compared with the certainty-equivalence-based controller.

Key words: immersion and invariance, inertia uncertainty, attitude tracking control, regression matrix, dynamic scaling, Lyapunov analysis

CLC Number: