Fig. 1. Schematic diagram of deployment of SSDA

Fig. 2. Schematic diagram of petal movement

Fig. 3. Diagram of adjacent petals during deployment

Fig. 4. Design space of petal frame

Fig. 5. Topology optimization of petal frame

Fig. 6. Thermal deformation of petal frame without petal frame

Fig. 7. Thermal deformation of petal frame with petal frame

Fig. 8. Modal analysis of petal

Fig. 9. Topological model of deployment mechanism

Fig. 10. Deployment mechanism based on Bennett linkages

Fig. 11. Deployment process of SSDA

Fig. 12. Kinematics parameters of antenna during deployment

Fig. 13. Driving moment of SSDA

Fig. 14. Non-overconstrained form of deployment mechanism