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Laplace.T Root-locus Transient response Frecuency response
       
 
 
 

10 Problem A6.11 OGATA 4edition (root locus)




Let us calculate the root-locus of a closed-loop system with feedback by Scilab, whose transfer function in open loop is:

\begin{displaymath}G(s)=\frac{K\cdot(s+0.4)}{s^{2}\cdot (s+3.6)}\end{displaymath}


Program in Scilab
s=%s;
num=s+0.4;
den=s^2*(s+3.6);
g=syslin('c',num/den);
clf;
evans(g);
v=[-5 1 -3 3]
mtlb_axis(v);
xgrid;

 


Image Problema-A6-11

cajael