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    Remote Imaging System Acquisition (RISA) Space Environment Multispectral Imager

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    Author
    Gustafson, Joshua
    Kay, John
    Pilar, Janelle
    Rojas, Rafael
    Sylvester, Lance
    Trojahn, Rachel
    Advisor
    Grubbs, Elmer
    Pine, Gerald
    Affiliation
    NASA Johnson Space Center
    Issue Date
    2013-10
    
    Metadata
    Show full item record
    Rights
    Copyright © held by the author; distribution rights International Foundation for Telemetering
    Collection Information
    Proceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection.
    Publisher
    International Foundation for Telemetering
    Journal
    International Telemetering Conference Proceedings
    Abstract
    The RISA imaging team is tasked to research, develop, implement, and test a multispectral imaging system capable of supporting multiple NASA exploration objectives. This year's NASA team is responsible for characterizing the newly implemented liquid lens, implementing a charging circuit complete with rechargeable batteries and a solar panel array, and redesigning the already developed wireless data transmission system. The charging circuit will be fully designed by our electrical engineering team using Gallium Arsenide solar panels provided by AZUR SPACE Solar Power. The implementation of this solar panel array will enable the final system to be completely independent of any power consumption from the spacecraft. The wireless data transmission system will be redesigned to utilize a compression technique as opposed to entire-image compression, as the previous system had implemented. This edit, in conjunction with an interfacing bypass through hardwiring of the image sensor to the Gumstix COM, will drastically increase the data transmission rate. These modifications will therefore increase the rate at which NASA can send and receive data and/or the communication of rate of the camera commands through the designed GUI. As a result of new mission objectives and requirements associated with new age space vehicles, little physical capacity is available, especially compared to past NASA Space Shuttles. Employing a multi-purpose imaging system alleviates the need of manifesting multiple individual imagers by incorporating the numerous desired functions into one system. The final version of the imager, which is expected to be completed in follow-up work, is intended to be flight ready and will be used in the crew cabin, on the exterior of NASA vehicles, and on Lunar and other planetary surfaces. For this year's imager, the preliminary design review was broken down into four sections: the battery, the solar panel, the charging circuit, and wireless hardware. In each of these sections, multiple designs were considered, but the charging circuit and wireless system were decided to be custom designed by the team.
    Sponsors
    International Foundation for Telemetering
    ISSN
    0884-5123
    0074-9079
    Additional Links
    http://www.telemetry.org/
    Collections
    International Telemetering Conference Proceedings, Volume 49 (2013)

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