How to check the stability of a system using Simulink?

[doubledragon]

Simulink(mat lab)

How to simulate the system is stable or not by using Simulink?

Given is state space form

 

[laham]

Re: Simulink(mat lab)

use this functions in same order
[n,d]=ss2tf[a,b,c,d] ..............where a,b,c,d is the matricies of the state space
and the n, d are the num. and denum. of the tf.

x=tf(n,d)

rlocus(n,d)......to get the locus root plot , when the root are in the right hand side the
system will be un stable.