Abstract The combination of large membranes and light-weight deployable booms, often called a gossamer structure, has enabled innovative space missions, such as solar sailing, to become possible. Though many designs have been proposed and demonstrated, two problems remain regarding the folding patterns of the membranes. The first problem involves considering the thickness of a membrane to enable uniform and compact folding. The other involves membrane-folding patterns that allow for connecting the membrane to the booms at multiple points and deploying them together while minimizing the use of complex mechanisms. This study proposes three methods that consider the thickness, and two of them can keep the crease lines straight, in contrast to the conventional non-straight crease line solutions. In addition, this study derives one effective design to integrate a membrane with diagonal booms through the systematic classification of existing membrane folding patterns.

    Highlights We categorize the folding patterns of planar space structures, such as solar sails. We propose the methods that consider finite-thickness and boom integration. The effect of thickness is analyzed by a simple roll-up of a Z-folded membrane. Three methods are proposed that can keep the crease lines straight. A design is proposed to connect a membrane to deployable booms at multiple points.


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    Title :

    Folding patterns of planar gossamer space structures consisting of membranes and booms


    Contributors:

    Published in:

    Acta Astronautica ; 94 , 1 ; 34-41


    Publication date :

    2013-07-23


    Size :

    8 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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