Has anyone used the PNLSS toolbox (PNLSS_v1_0)?

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Ben Cheshire
Ben Cheshire 2022-5-17
评论： LI WANG 2024-2-24
I've been trying to figure out this toolbox for a while now but I can't get a stable model for my SISO system. The error message is:
% Error using dbalreal
% The system must be asymptotically stable
% Error in new_pnlsslssm (line 93)
% [A,B,C] = dbalreal(A,B,C); % Compute balanced realization
Seemingly even the tutorial code gives this issue and I can't figure out how to get the code to identify a stable model. The data is real world data, and therefore is definitely stable, but the toolbox won't find an asymptotically stable model.
This is a bit of a long-shot but if anyone does have experience with this then any help would be appreciated.
I've attached the folder containing the toolbox for reference
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Ben Cheshire
Ben Cheshire 2022-5-17
Ok, I've sorted it now.
If anyone is interested though, I had to run the code in MATLAB release 2016b in order to get it working. I don't think there's any forum posts about this toolbox (at least not that I could find) so if you have any questions I might be able to help
LI WANG
LI WANG 2024-2-24
Hi, can I know how to access this toolbox? Thanks

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