Purpose <p>In order to solve the factors affecting the modeling of seismic shaking table array system, the transfer function of two-array system under three-parameter and multi-parameter control is studied, and the nonlinear characteristics of the system are considered.</p> Methods <p>In-depth modeling analysis was performed by using MATLAB/Simulink software.</p> Results <p>The results show that the peak value decreases and the notch increases with the damping ratio increasing, and the interaction effect of G<sub>11</sub> and G<sub>22</sub> decreases with the damping ratio increasing. In addition, the increase of the mass and natural frequency of the specimen not only leads to the increase of the peak value, but also the decrease of the notch wave, and the interaction effect of G<sub>11</sub> and G<sub>22</sub> becomes more obvious.</p> Conclusion <p>These results provide important theoretical support for the optimization of the shaking table array system in order to improve its effectiveness in seismic simulation applications.</p>

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Modeling and Simulation Analysis of Double Shaking Table System

  • Chunhua Gao,
  • Mingyang Wang,
  • Yifei Sima,
  • Cun Li,
  • Zihan Yuan,
  • Yanping Yang

摘要

Purpose

In order to solve the factors affecting the modeling of seismic shaking table array system, the transfer function of two-array system under three-parameter and multi-parameter control is studied, and the nonlinear characteristics of the system are considered.

Methods

In-depth modeling analysis was performed by using MATLAB/Simulink software.

Results

The results show that the peak value decreases and the notch increases with the damping ratio increasing, and the interaction effect of G11 and G22 decreases with the damping ratio increasing. In addition, the increase of the mass and natural frequency of the specimen not only leads to the increase of the peak value, but also the decrease of the notch wave, and the interaction effect of G11 and G22 becomes more obvious.

Conclusion

These results provide important theoretical support for the optimization of the shaking table array system in order to improve its effectiveness in seismic simulation applications.