Differential Movement Synchronous Tracking Control Strategy of Double-Shaking Table System Loading with Specimen

Table 1

The parameters of the double-shaking table model.

Parameters	Values
Mass of the platform
Bulk modulus of oil
Flow coefficient of servo valve pressure
Spool flow gain	/s⋅V
Inherent frequency of servo valve
Leakage coefficient of hydraulic cylinder
Damping ratio of servo valve
Effective bearing area of valve
Displacement feedback gain
Equivalent volume of cylinder
Damping ratio of sensor
Inherent frequency of sensor