Fig. 1. Flight pictures of IKAROS，NanoSail-D2，and LightSail-2

Fig. 2. The spin stabilization and passive stabilization

Fig. 3. The mass center adjustment methods

Fig. 4. Schematic diagrams of pressure center adjustment methods

Fig. 5. Principle diagrams of solar sail attitude control methods based on deformation

Fig. 6. The space structure deformation control