In the Simulink model window, double-click the Reference Filter block. Change the
Numerator of the transfer function to 100 , and change the Denominator to [1 20
100].
Click OK.
This change increases the order of the filter, adding a state to the Simulink model.
To update the operating point specifications to reflect the model changes, in the Trim the
model dialog box, click Sync with Model.
The software updates the specifications. The Reference Filter block now has two states.
Synchronize Simulink Model Changes with Operating Point Specifications