MATLAB: Simulink finds deleted or renamed library file

librarysimulink

— Matlab R2014b 32bit —

Hi,

I have a model oopen which contains a library block. Now I close this model but keep Matlab open. Then I go to the folder which contains the model and the library file and rename or even remove the library file. Then I open the model again, and it still finds the library which does not exist anymore. I can even select "Go to library block" and get there as if it would still exist.

This is very silly. I need to close Matlab completely to get rid of it. How to fix that?

Best Answer

Yes. The library model is most likely open but hidden.

You could run either of these two commands to force closing it.

bdclose('LibFileName');
bdclose('all');

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MATLAB: Dynamically change simulink library path

Hello,

many thanks for your efforts. Meanwhile I found a workaround which does the job. It points to the direction Fangjun proposed:

close_system('MyLib.slx')
rmpath('LibPath_A')
addpath('LibPath_B')
load_system('MyLib.slx')

The advantage is that you do not have to close/open the Simulink model. The blocks are updated after a couple of seconds automatically - at least by saving the model or descending a block.

Again, thanks to all of you for your feedback. best regards Timo

MATLAB: Rename BUS

Hi,

if you create a sample BUS with the bus editor you can export the BUS in the Model Explorer (Ctrl + H) of your Simulink Model (Base Workspace). It will generate an .m-file where you can set the bus names and run on model startup:

% -------------------------------------------------------------------

%  MATLAB file generated by Simulink.saveVars 
% -------------------------------------------------------------------
FA = Simulink.Bus;
FA.Description = '';
FA.DataScope = 'Auto';
FA.HeaderFile = '';
saveVarsTmp{1} = Simulink.BusElement;
saveVarsTmp{1}.Name = 'cog';
saveVarsTmp{1}.DataType = 'double';
saveVarsTmp{1}.Complexity = 'real';
saveVarsTmp{1}.Dimensions = 1;
saveVarsTmp{1}.DimensionsMode = 'Fixed';
saveVarsTmp{1}.SamplingMode = 'Sample based';
saveVarsTmp{1}.SampleTime = -1;
saveVarsTmp{1}(2, 1) = Simulink.BusElement;
saveVarsTmp{1}(2, 1).Name = 'mass';
saveVarsTmp{1}(2, 1).DataType = 'double';
saveVarsTmp{1}(2, 1).Complexity = 'real';
saveVarsTmp{1}(2, 1).Dimensions = 1;
saveVarsTmp{1}(2, 1).DimensionsMode = 'Fixed';
saveVarsTmp{1}(2, 1).SamplingMode = 'Sample based';
saveVarsTmp{1}(2, 1).SampleTime = -1;
FA.Elements = saveVarsTmp{1};
clear saveVarsTmp;

Regards, Andreas

Best Answer

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MATLAB: Dynamically change simulink library path

MATLAB: Rename BUS

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