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    A complete and fast survey of the orbital insertion design space for planetary moon missions

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    SEE-THESIS-2017.pdf (15.49Mb)
    Supplement (Video) (3.340Mb)
    Date
    2017-08-10
    Author
    See, Robert Harding
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    Abstract
    The most expensive maneuver for an interplanetary spacecraft is the orbital injection. One approach to find minimum fuel-cost trajectories is to preform a search over a number of design parameters such as radius of periapse, apoapse of the insertion orbit, and angle of approach. The so-called V-infinity leveraging maneuver has been shown to reduce the design space by implementing a small burn at apoapse to modify the velocity vector at a flyby body. The focus of the present work is orbital insertion of a science mission at Jupiter or Saturn, with the end goal of rendezvousing with a high-science priority moon such at Titan or Europa. The orbital insertion phase is framed as a boundary-value problem with a 1-D minimization over Time-Of-Flight (TOF) and assumes two body dynamics which enables both rapid and broad trajectory searches. Specifically, a search over Body-Plane (B-Plane) Angle and TOF is presented and then, upon finding a minimum-[Delta] V B-Plane Angle, searches over radius of periapse. Additionally, analytic solutions for B-Plane Angle are derived for the special cases of minimum inclination, node/apse alignment, and moon/apse alignment.
    Department
    Aerospace Engineering
    Subject
    Body Plane
    VILM
    V-infinity leveraging maneuver
    JUNO
    B-Plane
    Body-plane angle
    TOF
    Time of Flight
    Moon
    Europa
    Jupiter
    Trajectory
    Search space
    Root
    Solve
    Ascending node
    Descending node
    Velocity vector
    Periapse
    Apoapse
    URI
    http://hdl.handle.net/2152/63509
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    University of Texas at Austin Libraries
    • facebook
    • twitter
    • instagram
    • youtube
    • CONTACT US
    • MAPS & DIRECTIONS
    • JOB OPPORTUNITIES
    • UT Austin Home
    • Emergency Information
    • Site Policies
    • Web Accessibility Policy
    • Web Privacy Policy
    • Adobe Reader
    Subscribe to our NewsletterGive to the Libraries

    © The University of Texas at Austin