Quaternion feedback attitude control design: A nonlinear H approach

Long Life Show, Jyh Ching Juang, Ying Wen Jan, Chen Tzung Lin

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)


The paper presents a quaternion feedback attitude control law for spacecraft attitude maneuver. A nonlinear feedback controller is designed to achieve L2 gain performance, i.e., the resulting closed-loop system is designed such that the L2 gain from the exogenous disturbance to the performance measure is less than a scalar. The solution of the nonlinear H control problem is known to be related to the existence of a solution to the Hamilton-Jacobi inequality. In the paper, a solution for spacecraft attitude control is conjectured and shown to satisfy the H criterion. The result generalizes existing methods in two regards: the proposed Hamilton-Jacobi function is more general than existing ones and the resulting controller contains a nonlinear term that can be used to address the nonlinear couplings between quaternion terms. The method is applied to the ROCSAT-3 orbit raising control problem to verify its effectiveness.

Original languageEnglish
Pages (from-to)406-411
Number of pages6
JournalAsian Journal of Control
Issue number3
Publication statusPublished - 2003 Sep

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering

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