Is there a way to get the Simulink real-time parameter set (rtp) from a rapid accelerator build without rebuilding it?
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I am building and using a rapid accelerator target for myModel using
rtp = Simulink.BlockDiagram.buildRapidAcceleratorTarget(myModel);
newRtp = Simulink.BlockDiagram.modifyTunableParameters(rtp, 'myParam', myValue);
sim(myModel, 'SimulationMode', 'rapid', ...
'RapidAcceleratorUpToDateCheck', 'off', ...
'RapidAcceleratorParameterSets', new_rtp);
If I don't have an rtp object (but I know my model hasn't changed and I want to run in rapid mode without re-building the model) can I get rtp from the model somehow (without re-building)?
Something like:
Simulink.BlockDiagram.buildRapidAcceleratorTarget(myModel); % oops, should have captured the output
rtp = Simulink.BlockDiagram.getExistingRapidAcceleratorTarget(myModel); % does something like this exist?
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Antworten (1)
Nirja Mehta
am 30 Aug. 2017
You can check the checksum of your model and get rtp only if checksums are different.
% To compile the model before calling Simulink.BlockDiagram.getChecksum
myModel([],[],[],'compile')
[cs1,csdet1]=Simulink.BlockDiagram.getChecksum(myModel);
% Get rtp for first time
rtp = Simulink.BlockDiagram.buildRapidAcceleratorTarget(myModel);
[cs2,csdet2]=Simulink.BlockDiagram.getChecksum(myModel);
if (cs1 ~= cs2)
% This means your model changed, time to update rtp
rtp = Simulink.BlockDiagram.buildRapidAcceleratorTarget(myModel);
end
% Your code now
newRtp = Simulink.BlockDiagram.modifyTunableParameters(rtp, 'myParam', myValue);
sim(myModel, 'SimulationMode', 'rapid', ...
'RapidAcceleratorUpToDateCheck', 'off', ...
'RapidAcceleratorParameterSets', new_rtp);
Hope this helps.
3 Kommentare
Lee
am 30 Okt. 2017
Does saving and reloading the rtp object even work? I've had strange behaviors when reloading saved objects in the past so hadn't even tried it yet... In theory this is a solution, but i agree, no where near as elegant as your proposed function call. Mathworks?
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