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    Low-Altitude Laser Altimeter to Assist UAV Autolanding

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    Bergmann_ku_0099M_12333_DATA_1.pdf (2.028Mb)
    Issue Date
    2012-08-31
    Author
    Bergmann, Nicholas M
    Publisher
    University of Kansas
    Format
    67 pages
    Type
    Thesis
    Degree Level
    M.S.
    Discipline
    Electrical Engineering & Computer Science
    Rights
    This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.
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    Abstract
    This project presents a low-altitude laser altimeter system to assist UAV autolanding. This system generates aircraft altitude and attitude estimates; it consists of laser illuminators, a digital imaging unit (image sensor, lens, and optical filter), and a processor. The purpose of this project is to provide real-time altitude above terrain, roll, and pitch to an existing onboard autopilot system with sufficient accuracy to facilitate the automated landing of the UAV on uncharted landing strips. The laser altimeter system presented by this project employs an optical triangulation concept to estimate the altitude above terrain, roll, and pitch of the aircraft. To implement this system, the Leopardboard 365 is used for the processor; the digital imaging unit is comprised of the Aptina MT9P031 CMOS image sensor, the SY110M ultra-wide angle lens, and the Edmund Optics 780-nm bandpass optical filter; and, four US Lasers 780-nm laser diode modules act as the laser illuminators. Finally, a test fixture was built to assess the speed and accuracy of the system.
    URI
    http://hdl.handle.net/1808/10190
    Collections
    • Engineering Dissertations and Theses [1055]
    • Theses [3828]

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
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    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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