Abstract The attitude control problem of a spacecraft using two reaction wheels is revisited. Controllability analysis shows that the reduced dynamics of a two-wheeled spacecraft are locally controllable at any equilibrium if the total angular momentum of the system is zero, and all the possible equilibrium attitudes form the whole attitude configuration manifold. Under zero-momentum restriction, a singular quaternion feedback controller is first derived based on the generalized dynamic inverse method to stabilize the attitude kinematics. By introducing a novel saturated function, this controller is developed into a switching control logic to account for the singularities as well as yielding bounded inputs. Then a full-state feedback with bounded wheel speeds is synthesized to globally reorientate the spacecraft to any desired orientation. Numerical simulation results demonstrate the effectiveness of the proposed control algorithm.

    Highlights • The attitude control issue of a spacecraft using two reaction wheels is revisited. • Local controllability of the dynamics of a two-wheeled spacecraft is fully analyzed. • In zero-momentum case, a kinematic stabilizing law is derived by dynamic inverse method. • A switched control logic is then constructed to achieve global attitude maneuver. • The proposed control law can avoid the saturation of the wheel speeds.


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    Title :

    Attitude maneuver control of a two-wheeled spacecraft with bounded wheel speeds


    Contributors:
    Gui, Haichao (author) / Jin, Lei (author) / Xu, Shijie (author)

    Published in:

    Acta Astronautica ; 88 ; 98-107


    Publication date :

    2013-03-06


    Size :

    10 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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