This article investigates the problem of unwinding in quaternion-based antiwindup compensation for constrained rigid body attitude control. Quaternion-based compensators and controllers can lead to the unwinding phenomenon if the double covering problem of the rigid-body-attitude space is not considered. Moreover, actuator saturation is a source of performance degradation or even instability of control systems. Therefore, in this article, a quaternion-based antiwindup compensator is proposed and stability proofs are derived that provide asymptotic stability properties and a propensity to avoid attitude unwinding. Simulation results illustrate that the proposed method leads to significantly smaller rotation of the rigid body than an earlier antiwindup approach that does not address the unwinding phenomenon.


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    Title :

    Managing Unwinding in Quaternion-Based Antiwindup Compensation for Constrained Rigid Body Attitude Control


    Contributors:


    Publication date :

    2025-08-01


    Size :

    1393053 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English






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