A deployable mast consisting of a three dimentional pantograph formed by a set of rods hinged together is described. Two active cables control the deployment and prestressing of the pantograph. Several passive cables remain slack until the pantograph folds out into its fully deployed configuration. A technique for analyzing both the deployment of the mast and the response to external loads of the fully deployed mast is outlined. The transition from a bending-dominated pantograph to a braced truss is shown to be an effective way of achieving large increases in stiffness when the fully-deployed configuration is reached.
Cable-Rigidized 3D Pantograph
1990
6 pages
Report
Keine Angabe
Englisch
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