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There is an every-growing need to construct large space telescopes andstructures for observation of exo-planets, main-belt asteroids and NEOs. Spaceobservation capabilities can significant enhanced by large-aperture structures.Structures extending to several meters in size could potentially revolutionizeobservation enabling technologies. These include star-shades for imagingdistant objects such as exo-planets and high-resolution large aperturetelescopes. In addition to size, such structures require controllable precisionsurfaces and high packing efficiencies. A promising approach to achieving highcompaction for large surface areas is by incorporating compliant materials orgossamers. Gossamer structures on their own do not meet stiffness requirementsfor controlled deployment. Supporting stiffening mechanisms are required tofully realize their structural potential. The accuracy of the 'active' surfaceconstructed out of a gossamer additionally also depends on the load bearingstructure that supports it. This paper investigates structural assembliesconstructed from modular inflatable membranes stiffened pneumatically usinginflation gas. These units assembled into composites can yield desirablecharacteristics. We present the design of large assemblies of these modularelements.

Modular Inflatable Composites for Space Telescopes