MTS Series 793 User Manual

Page 92

Advertising
background image

MTS Series 793 Tuning and Calibration

How to Perform Advanced Tuning Techniques

Tuning Procedures

92

4. Press Run to start auto-tuning.

The controller displays the following (or a similar) message:

“The ‘Mode to Tune’ (‘Force’) is not the control mode which will be active
during auto-tuning. Ensure that the active ‘Control Mode’ is tuned prior to
proceeding. If the selected ‘Mode to Tune’ requires feedback from a
specimen (ex: Force/Torque/Strain), ensure that a specimen is mounted.”

Select Yes (or Press <<OK>>) if you have tuned the channel’s displacement
mode and installed a specimen.

When the Controller starts auto-tuning the following is displayed:

“Auto Tuning in Progress...To terminate auto-tuning before
completion, press <Stop>.”

When auto-tuning is complete, the controller displays:

“Auto Tuning for this mode has completed successfully.”

Also, when auto-tuning is complete, the results are displayed showing
Current tuning values and Reference values.

Press Accept to apply the Reference values.

5. Save the auto-tuning values.

Standalone FlexTest SE Controllers: Select Setup > Open/Save
Parameters
> <<Save>>

Automated Controllers: In the Station Manager window’s File menu,
select Save Parameters to save the New Values.

You may save auto-tuning values to an existing parameter set or to a new
parameter set.

How to improve auto-

tuning results

You can attempt to further improve tuning using the following techniques:

Use the auto-tuning settings as a starting point when manually tuning each
control mode.

If your feedback signal is noisy, use a tuning filter (see

“About Tuning

Filters”

on page 115).

Advertising