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Simulink turn off data logging

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Peter Kerekes
Peter Kerekes 2018-5-28
评论： Jinggang 2024-7-9
Hello ! I do have the following problem: I have a very big simuling model, with a lot of subsystems. In this model a lot of signal have already logged. I'm making a test environment to run this model, and I have to test the result of the simulation. I have to log only a few data, but in the model there are approximately 150 logged signal (and it's made the simulation much slower). So for that, in my test environment I'd like to unlog all of the signal, and turn on only witch are necessary for me.

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采纳的回答

TAB
TAB 2018-5-28
编辑：TAB 2018-5-28
Disable all logging at once
% Find all ports with data logging enabled
pH = find_system('YourModelName', 'FindAll', 'on', 'Type', 'Port', 'DataLogging', 'on');
% Disable all logging
for x=1:length(pH)
set_param(pH(x), 'DataLogging', 'off');
end
  2 个评论
Peter Kerekes
Peter Kerekes 2018-5-28
编辑：Peter Kerekes 2018-5-28
Thank you, it's working, but somehow it can't find the all logged signal. It found 26 of 148.
Sina Sharifi
Sina Sharifi 2020-7-2
编辑：Sina Sharifi 2020-7-2
Hi
I had a similar problem.
These lines solved it. Thank you.
Sina

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更多回答（2 个）

Paul Smith
Paul Smith 2019-1-31
I had a similar issue, I ended up modifying to this though:-
pH = find_system('Your Model name','LookUnderMasks','all','FindAll', 'on', 'DataLogging', 'on');
'Type', 'Port'
Having type and port in the search misses other potentially logable terms.
Zhu
Zhu 2019-7-26
Turn this model into .mdl format
Open model in text
Find all "datalogging on", set it to off
Done!
  3 个评论
显示 1更早的评论
Herman Wong
Herman Wong 2024-3-7
编辑：Herman Wong 2024-3-7
set_param(bdroot, 'InstrumentedSignals', []) --- awesome! Thanks Jun Yang!
Jinggang
Jinggang 2024-7-9
Thank u Jun Tang, it works!

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