The step response for all the models varies in the 10% range. The settling time for most
models is less than 1.5 seconds.
Analyze Inner-Loop Transfer Function at Plant Output
Obtain the inner-loop transfer function at y2, with the outer loop open at e1.
Li = getLoopTransfer(sllin,'y2',-1);
Because the software assumes positive feedback by default and scdcascade uses
negative feedback, you specify the feedback sign using the third input argument. Now, Li
= -G2C2.
Plot the bode response for Li.
bodeplot(Li);
Batch Linearization to Obtain Multiple Transfer Functions for Varied Parameter Values