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Re: Octave Control Toolbox: How to find the step response of a given sta
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From: |
Zdeněk Hurák |
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Subject: |
Re: Octave Control Toolbox: How to find the step response of a given state signal? |
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Date: |
Thu, 09 Apr 2009 20:25:08 +0200 |
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User-agent: |
KNode/0.10.9 |
Roque Iozzo wrote:
> How to find the step response of a given state signal?
>
> The 'step' function produces a plot or the step response data for a system
> (i.e. y_1), but how can I plot the response of a state signal (i.e. x_1 or
> x_2)?
Just place C equal to identity matrix, then y = x. You will have to adjust D
accordingly:
A=[-1 -0.5;1 0];
B=[0.5;0];
C=[1 0];
D=0;
S=ss(A,B,C,D);
step(S)
Sx=ss(A,B,eye(2),[0;0]);
step(Sx)
--
Zdenek Hurak, Czech Technical University in Prague