Deployable structure

A field deployable control tower

A deployable structure is a structure that can change shape so as to significantly change its size.[1][2]

Examples of deployable structures are umbrellas, some tensegrity structures, bistable structures, some Origami shapes and scissor-like structures. Deployable structures are also used on spacecraft for deploying solar panels and solar sails.

Space-based deployable structures can be categorized into three primary classes: the first is the articulated structure class wherein rigid members contain sliding contact joints or are folded at hinge points and pivot to deploy, often locking into place. The second class consists of on-orbit assembly where a device is fabricated and/or mechanically joined in space to form the structure. The final class is high strain structures (often composed of High strain composites) wherein the device is dramatically flexed from one configuration to another during deployment.

  • Scissor-type structure
    Scissor-type structure
  • Multiple scissor-type structure
    Multiple scissor-type structure
  • Simple Hoberman mechanism
    Simple Hoberman mechanism
  • Compound Hoberman mechanism
    Compound Hoberman mechanism
  • Outward folding deployable ring structure
    Outward folding deployable ring structure
  • Inward folding deployable ring structure
    Inward folding deployable ring structure
  • NuSTAR mast in the stowed configuration.
    NuSTAR mast in the stowed configuration.
  • NuSTAR mast deployed.
    NuSTAR mast deployed.

See also

References

  1. ^ S. Pellegrino (Ed.), Deployable Structures, CISM International Center for Mechanical Sciences, Springer, 2002
  2. ^ "Deployable Structures".
  • Wikimedia Commons logo Media related to Deployable structure at Wikimedia Commons
  • University of Cambridge Deployable structures department publications

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