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state-space and imp2ss

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Elie Shami
Elie Shami 2019 年 8 月 12 日
回答済み: Naveen Venkata Krishnan 2019 年 10 月 10 日
Hi,
I'm trying to compute the convolution of the radiation damping integral in the time domain for a marine structure. I'm using state space in sumilink to do that.
Now I need to do a state space representation of a function K(t). I have a vector K and a time vector t.
What i'm doing is the following:
irf=[t,k];
[a,b,c,d] = imp2ss(irf,1); %state space calculation
%Balanced model reduction via truncated and Schur methods
[A,B,C,D] = balmr(a,b,c,d,1,10);
Is this correct? can imp2ss be implemented to calculate the state space of a matrix?
Or should I do imp2ss of K only? (If I do this, how is the returned state sapce know the bound of the function?, k is only y values, how does it determine the x values?).
thank you,
Elie.

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Elie Shami
Elie Shami 2019 年 8 月 21 日
No help ? :(

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回答 (1 件)

Naveen Venkata Krishnan
Naveen Venkata Krishnan 2019 年 10 月 10 日
Hello Elie,
Is K the impulse response of the model that you are working on. Can you provide the K and t values.

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