Simulink Control Design™ - MathWorks

Obtain Negative-Feedback Loop Transfer Function at Analysis Point

Obtain the negative-feedback loop transfer function, calculated at e, for the

ex_scd_simple_fdbk model.

Open the ex_scd_simple_fdbk model.

mdl = 'ex_scd_simple_fdbk';

open_system(mdl);

In this model:

Create an slLinearizer interface for the model.

sllin = slLinearizer(mdl);

To obtain the loop transfer function at e, add this point to sllin as an analysis point.

addPoint(sllin,'e');

Obtain the loop transfer function at e.

sys = getLoopTransfer(sllin,'e',-1);

tf(sys)

ans =

From input "e" to output "e":

3

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