Fig. 1. Static analysis of mirror. (a) Contact setting; (b) constraint setting; (c) deformation finite element analysis results

Fig. 2. Schematic of movement and the structure of the ball head hinge. (a) Schematic of movement of reflector frame; (b) structure of ball joint hinge at point A; (c) structure of ball joint hinge pair at point O

Fig. 3. Static analysis result of the ball head hinge

Fig. 4. Two-dimensional orthogonal coaxial flexible hinge. (a) Structure; (b) section structure; (c) static analysis results

Fig. 5. Micro drive of the electric mirror frame

Fig. 6. Sketches of the electric mirror frame. (a) Pitching motion; (b) yaw movement

Fig. 7. Whole structure of the electric mirror frame

Fig. 8. Simplified model of the modal analysis. (a) Three-dimensional illustration of the simplified model; (b) side view of the simplified frame model

Fig. 9. First eight-order modal shape

Fig. 10. Modal test experiment of mirror frame. (a) Measuring point; (b) excitation point

Fig. 11. Results of the modal test

Fig. 12. Deformation results of the random vibration analysis. (a) Incident direction; (b) reflection direction