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krac2

continuous SISO system limit feedback gain

Syntax

g = krac2(sys)

Arguments

sys
A SISO linear dynamical system, in state space, transfer function or zpk representations, in continuous or discrete time.
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(hf1.den)
hf2 = h/.g(2); roots(hf2.den)

See also

  • evans — Evans root locus
  • kpure — continuous SISO system limit feedback gain

History

VersionDescription
6.0

handling zpk representation

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<< kpure Placement de pôles ppol >>

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Last updated:
Mon May 22 12:39:42 CEST 2023