Fig. 1. Dynamic overload-vibration simulation system

Fig. 2. Sketch of structure and principle of series hybrid vibration exciter

Fig. 3. Piezoelectric excitation element and module， and their typical output vibration loads

Fig. 4. Precise assembly technology for piezoelectric excitation module

Fig. 5. Structural sketch of hydraulic excitation module

Fig. 6. Frequency-division control principle and typical results for series hybrid vibration excitation

Fig. 7. Hydraulic centering control principle and typical results

Fig. 8. Variable gain vibration control principle and typical results

Fig. 9. Vibration control principle for long-duration waveform replication and typical results

Fig. 10. Performance testing results of the vibration exciter under high overload

Fig. 11. Performance testing results of the vibration exciter under high overload rate

Fig. 12. Test conditions and control results in the application case