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krac2

continuous SISO system limit feedback gain

Calling Sequence

g=krac2(sys)

Arguments

sys

SISO linear system (syslin)

g

constant

Description

krac2(sys) computes the gains g such that the system sys feedback by g (sys/.g) has 2 real equal poles.

Examples

h=syslin('c',352*poly(-5,'s')/poly([0,0,2000,200,25,1],'s','c'));
clf();evans(h,100)
g=krac2(h)
hf1=h/.g(1);roots(denom(hf1))
hf2=h/.g(2);roots(denom(hf2))

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