Calculating an accurate nutation time constant for a spinning spacecraft is an important step for ensuring mission success. Spacecraft nutation is caused by energy dissipation about the spin axis. Propellant slosh in the spacecraft fuel tanks is the primary source for this dissipation and can be simulated using a forced motion spin table. Mechanical analogs, such as pendulums and rotors, are typically used to simulate propellant slosh. A strong desire exists for an automated method to determine these analog parameters. The method presented accomplishes this task by using a MATLAB Simulink/SimMechanics based simulation that utilizes the Parameter Estimation Tool.


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    Title :

    Estimation of Nutation Time Constant Model Parameters for On-Axis Spinning Spacecraft


    Contributors:

    Conference:

    AIAA/AAS Astrodynamics Specialist Conference and Exhibit ; 2008 ; Honolulu, HI, United States


    Publication date :

    2008-08-18


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Estimation of Nutation Time Constant Model Parameters for On-Axis Spinning Spacecraft

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