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    Comparison of Guidance Methods for Autonomous Planetary Lander

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    Author
    Harris, Wyatt Jacob
    Date
    2011
    Advisor
    Spanos, Pol D.
    Degree
    Master of Science
    Abstract
    Guidance methods for a powered descent planetary lander are examined. Several guidance laws are developed and analyzed including Apollo derived, modified Apollo, time efficient and fuel efficient methods. These laws are implemented using two different methods: Apollo approach, and real time. The equations of motion for an arbitrary planetary lander with sloshing fuel and a gimbaled nozzle are derived using a Newtonian approach. A six degree of freedom (6DOF) simulation of the vehicle system dynamics is programmed in Simulink to test the various guidance methods. The guidance methods are assessed using several different trajectories.
    Keyword
    Mechanical engineering; Materials science
    Citation
    Harris, Wyatt Jacob. "Comparison of Guidance Methods for Autonomous Planetary Lander." (2011) Master’s Thesis, Rice University. https://hdl.handle.net/1911/64447.
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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
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