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Laplace.T Root-locus Transient response Frecuency response
       
 
 
 

4 Program 6.5 OGATA 4edition (root locus, damping ratios, undamped natural frecuency)




We will draw polar grids in root-locus by a Scilab with the damping ratios $\zeta$=0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9 and undamped natural frecuency $\omega_{n}$=1,2.
Program in Scilab
clf;
sgrid([0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9],[1, 2])
xtitle('Lines of constant damping ratio and circles of constat undamped natural frequency ')

Image Programa6_5