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SUMMARY:Conceiving\, designing and testing giant ultralight coilable space
  structures - Prof. Sergio Pelligrino\, California Institute of Technology
DTSTART:20250221T140000Z
DTEND:20250221T150000Z
UID:TALK226444@talks.cam.ac.uk
CONTACT:Burigede Liu
DESCRIPTION:The dream of kilometer-scale space systems comprising solar co
 llectors and phased arrays that beam power to the earth may be close to re
 ality\, through advances made by the Caltech Space Solar Power Project. Th
 is project has proposed a modular system architecture\, and developed and 
 recently demonstrated in space the key enabling technologies.\n\n\nThe mai
 n building block is a 60 m x 60 m plate-like spacecraft\, that is tightly 
 coiled for launch and deployed in space. Its concept uses origami-inspired
  packaging in combination with ultrathin composite shells forming frame st
 ructures that support photovoltaic films and RF antennas. The design is dr
 iven by the requirements that the structure should be able to robustly dep
 loy into its intended\, flat configuration and\, once fully deployed\, sho
 uld have sufficient stiffness to allow dynamic maneuvers to be carried out
  without exciting its flexible modes.\n\n\nThe deployment of a proof-of-co
 ncept physical model has been demonstrated in low earth orbit and useful l
 essons were learnt about the differences between testing in the lab vs. te
 sting in zero-g.
LOCATION:Department of Engineering - LT2
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