A spacecraft attitude control module (1) according to the invention is compact and easy to assemble with additional modules to form an operative attitude control system. The module comprises a robust rectangular, preferably cubic support frame with an attitude control assembly fitted within the confines of the support frame, the assembly including a reference structure comprising a platform, a flywheel support structure (15,18,19,26) and a flywheel (25). The flywheel support structure may be fixed to the platform (10) or it may be a gimbal structure that is rotatable relative to the platform. In the first case the module is a reaction wheel module. In the second case the module is a single gimbal control moment gyroscope module. A preferred embodiment includes a slanted position of the platform (10) relative to the ground plane (100) of the support frame. Another preferred characteristic is the implementation of a flywheel provided with a hollow portion (25') into which the motor (28) that is driving the flywheel rotation is fitted. The invention is also related to an attitude control system comprising multiple modules assembled together on a support plate (35). The modules may be provided with decking plates (39,39') to improve the mechanical robustness of the assembly and to realize fast electrical connections to the modules.


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    Title :

    A MODULAR AND CONFIGURABLE ATTITUDE CONTROL SYSTEM FOR A SPACECRAFT


    Additional title:

    MODULARES UND KONFIGURIERBARES LAGESTEUERUNGSSYSTEM FÜR EIN RAUMFAHRZEUG
    SYSTÈME DE COMMANDE D'ATTITUDE MODULAIRE ET CONFIGURABLE POUR UN ENGIN SPATIAL


    Contributors:

    Publication date :

    2020-09-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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