Presently many types of spacecraft use a Spacecraft Attitude Control System (ACS) with momentum wheels for steering and electrochemical batteries to provide electrical power for the eclipse period of the spacecraft orbit. Future spacecraft will use Flywheels for combined use in ACS and Energy Storage. This can be done by using multiple wheels and varying the differential speed for ACS and varying the average speed for energy storage and recovery. Technology in these areas has improved since the 1990s so it is now feasible for flywheel systems to emerge from the laboratory for spacecraft use. This paper describes a new flywheel system that can be used for both ACS and energy storage. Some of the possible advantages of a flywheel system are: lower total mass and volume, higher efficiency, less thermal impact, improved satellite integration schedule and complexity, simplified satellite orbital operations, longer life with lower risk, less pointing jitter, and greater capability for high-rate slews. In short, they have the potential to enable new types of missions and provide lower cost. Two basic types of flywheel configurations are the Flywheel Energy Storage System (FESS) and the Integrated Power and Attitude Control System (IPACS).


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    Title :

    Shaftless Magnetically Levitated Multifunctional Spacecraft Flywheel Storage System


    Contributors:
    K. Stevens (author) / R. Thornton (author) / T. Clark (author) / B. G. Beaman (author) / N. Dennehy (author)

    Publication date :

    2002


    Size :

    15 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    A Shaftless Magnetically Levitated Multifunctional Spacecraft Flywheel Storage System

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