MTS Series 793 User Manual
Page 459
9.
In the Station Manager window’s Navigation pane, click .
10. Set up a tuning program in the Function Generator panel.
a) For Channel, click the channel using acceleration compensation.
b) For Control Mode, select a displacement control mode.
c) For Command Type, click Cyclic.
d) For Target Setpoint, set 0 cm.
e) For Amplitude (±), select an amplitude appropriate for the test.
f) Set Frequency to approximately 80% of the test frequency.
g) For Wave Shape, click Sine.
h) For Compensator, click APC or PVC.
Warning:
Hydraulic pressure application can cause high force actuator motion and hardware position
changes.
High force actuator motion can cause personal injury or damage to your equipment or
specimen.
Ensure that all equipment and personnel are clear of all system fixtures before you apply
hydraulic pressure to the system.
11. Apply station hydraulic pressure.
12. Start the tuning program.
13. Adjust the acceleration compensation.
In the Station Setup window’s Accel tab, adjust Acceleration Compensation to minimize feedback.
If Acceleration Compensation has an additive or no effect on the feedback signal, for Polarity click Invert.
14. To save the values, go to the Station Manager window’s File menu and click Save Parameters.
MTS Series 793 Control Software 459
Acceleration Compensation