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kpure
continuous SISO system limit feedback gain
Syntax
K=kpure(sys [,tol]) [K,R]=kpure(sys [,tol])
Arguments
- sys
SISO linear system (syslin)
- tol
a positive scalar. tolerance used to determine if a root is imaginary or not. The default value is
1e-6
- K
Real vector, the vector of gains for which at least one closed loop pole is imaginary.
- R
Complex vector, the imaginary closed loop poles associated with the values of
K
.
Description
K=kpure(sys)
computes the gains K
such that the system
sys
feedback by K(i)
(sys/.K(i)
) has poles on imaginary axis.
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