How do I convert descriptor state-space to transfer function?
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Justin Burzachiello
am 1 Jul. 2021
Kommentiert: Star Strider
am 4 Jul. 2021
Hello. I have a state-space forumla of the form .
I'd like to have MATLAB convert this into its respective transfer function for me. I plan on encoding
sys = dss(A,B,C,D,E)
However, I looked on the page for transfer functions through tf, and I am unable to find how to convert from this dss to tf. Is there a direct way to encode it? Yes, I know that I can just do it by hand and encode the result myself. I'd just like to know if MATLAB can do it, and if so, how.
- Thank you
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Star Strider
am 2 Jul. 2021
This seems to work:
A = [1 2; 3 4];
B = [5; 6];
C = [7 8; 9 10];
D = 0;
E = [11 12; 13 14];
ss_sys = dss(A,B,C,D,E)
tf_sys = tf(ss_sys)
.
3 Kommentare
Star Strider
am 4 Jul. 2021
As always, my pleasure!
Not off-topic at all. I’ve never encountered a similar situation, so I have no idea.
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Jesús Zambrano
am 2 Jul. 2021
Bearbeitet: Jesús Zambrano
am 2 Jul. 2021
I think you can just take the A,B,C,D matrices and use ss2tf command to convert it to transfer function.
Please look at this documentation which also shows an example:
Hope it helps!
3 Kommentare
Jesús Zambrano
am 2 Jul. 2021
Oh!, my mistake. I didn’t read the E matrix, sorry. Please see answer below that seems to answer your question.
Siehe auch
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