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How to tune a dual compensation control mode, How to tune a dual compensation control mode 112 – MTS Series 793 User Manual

Page 112

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MTS Series 793 Tuning and Calibration

How to Perform Advanced Tuning Techniques

Tuning Procedures

112

3. Configure two Peak/Valley meters to measure force feedback and

displacement feedback signals.

4. Calculate the specimen stiffness (K):

5. Calculate the Conversion Gain value:

Note

For a more conservative estimate, use 80% of the calculated
Conversion Gain value. When using asymmetrical Fullscale values
enter the difference between the values.

How to Tune a Dual Compensation Control Mode

1. Tune the control mode that supplies the primary feedback signal (base

control mode).

2. Select an access level of Tuning:

Standalone FlexTest SE Controllers: Select Setup > Tuning.

Automated Controllers: In the Station Manager window’s toolbar, select
an access level of Tuning.

3. Display the compensation controls of the dual compensation control mode.

Standalone FlexTest SE Controllers: Select Setup > desired Dual
Compensation
control mode > desired compensation method.

Automated Controllers:

A. In the Station Manager window’s Display menu, select Station

Setup.

B. In the Station Setup window’s navigation pane, locate and select the

dual compensation control mode being tuned.

C. In the Station Setup window, click

.

D. In the Compensators panel, click the tab for the compensation method

being used.

K

Force Peak Force Valley

(

)

Displacement Peak Displacement Valley

(

)

-----------------------------------------------------------------------------------------------------------

=

Conversion Gain

1

K

----

 

 

Full Scale Force

Full Scale Displacement

----------------------------------------------------------

Ч

=