In order to develop robust autonomy in spacecraft, it is desirable to develop methods for controlling a spacecraft in various configurations with any combination of thrusters of various types and both for static RCS thrusters and gimbaling thrusters. In the case of a stuck thruster imposing unplanned and undesired motion both translational and rotational or in the case of a malfunctioning thruster, it is desirable for that spacecraft to have the ability to identify and overcome that problem without human intervention. To that end, a spacecraft must be able to rapidly and autonomously reconfigure thruster firing histories and update guidance protocols. In this paper, a method for a spacecraft to autonomously select thrusters of any configuration is presented. The residual motion imposed by off-nominal or not-fully-controllable thruster configurations is identified by the spacecraft and solved for, both for static reaction control systems and gimbaling engines.


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    Title :

    Autonomous Constrained Control for Arbitrary Configurations of Gimbaling Thrusters in SE(3)


    Contributors:
    M. M. Witta (author) / M. Nazari (author)

    Publication date :

    2023


    Size :

    8 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English







    Electric thrusters for autonomous underwater vehicles

    Abu-Sharkh, S. / Harris, M. | IET Digital Library Archive | 1996


    Electric thrusters for autonomous underwater vehicles

    Abu-Sharkh, S. / Harris, M. / IEE; Electronics Divisions; Professional Group E15 (Radar, sonar and navigation systems) et al. | British Library Conference Proceedings | 1996