Abstract
The SMPC (Shape Memory Polymer Composite) is used for space deployable structuredue to their excellent properties. In this paper, the space deployable antenna was designed, whichincludes the design of the basic configuration, the antenna substrate, the SMPC hinge and its location.The modal of the hinge was studied with finite element software ABAQUS. The hinges with differentthickness were analyzed and compared. The modal of single piece antenna was calculated. Thevibration types and natural frequencies of the single piece antenna in connection are obtained. Theeffects of different hinge structures on the overall mode and the natural frequencies of the hinge werestudied. The influence of hinge location on the natural frequencies of deployable antenna was alsostudied. The mode of four pieces antenna in unfolding was calculated, the main vibration types wereobtained, and the natural frequencies were analyzed and compared with that of the single pieceantenna. In unfolding, the natural frequencies of the four pieces antenna are lower than that of thesingle piece one.
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