This paper presents a survey of recent activities in the domain of adaptive structures for satellie applications. The main driver for these activities in the USA as well as Europe are planned scientific missions based on interferometric optical and infrared astronomic instruments. Such instruments require optical pathlength accuracy in the order of several nanometers across structural dimensions of several meters. This puts extreme demands on static and dynamic structural stability. It is expected that actively controlled, adaptive structures will have to be used to overcome the limits of passive structural accuracy. The paper outlines the accuracy specifications of typical mission examples and identifies the development requirements of adaptive structures. It then focuses on development activities at Dornier Satellitensysteme GmbH including a testbed for interferometry and structural control, space qualification of adaptive reflector technology, and current strategies for integrated active damping devices.


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    Title :

    Adaptive structures in high precision satellites


    Additional title:

    Adaptive Strukturen in Hochpräzisions-Satelliten


    Contributors:
    Döngi, F. (author)


    Publication date :

    1998


    Size :

    10 Seiten, 6 Bilder, 4 Tabellen, 13 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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