Algorithms for attitude (and orbit) control usually provide a control command signal in spacecraft axes that corresponds to a torque (and force). However, actuators are usually not aligned with these axes and, moreover, may be redundant. Therefore, as part of the on-board processing chain, the controller outputs have to be properly distributed to the actuation inputs of the individual actuators. This task is performed by the actuator commanding. In this chapter, we will give an overview of common approaches to command reaction wheels (Sect. 4.1), control moment gyros (Sect. 4.2), thrusters (Sect. 4.3), and magnetic torquers (Sect. 4.4), such that the torque (and possibly force) required by the controller is realized.


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    Titel :

    Actuator Commanding


    Beteiligte:

    Erschienen in:

    Principles of Spacecraft Control ; Kapitel : 4 ; 89-113


    Erscheinungsdatum :

    16.04.2022


    Format / Umfang :

    25 pages




    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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