how to convert discrete data to continuous data?
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Hello I have discrete A,B,C,D system matrices, and i want to convert them in continuous , i have written a script for this but it is giving me error . how should i do this ?
********
load ABCD_matrix.mat
sysd=ss(As,Bs,Cs,Ds);
sysc=d2c(sysd,'zoh');
[Asc,Bsc,Csc,Dsc]=ssdata(sysc);
********************
the error is
Error using DynamicSystem/d2c (line 35)
The first input argument of the "d2c" command must be a discrete-time model.
Error in LQGG (line 5)
sysc=d2c(sysd,'zoh');
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Honglei Chen
le 15 Mar 2013
You need to specify the sample time in ss, something like
ss(A,B,C,D,Ts)
2 commentaires
Azzi Abdelmalek
le 15 Mar 2013
Modifié(e) : Azzi Abdelmalek
le 15 Mar 2013
Aniket, sysd=ss(As,Bs,Cs,Ds) ; is not a discrete model, it's continuous
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