Defining sample Time of Model Reference block by using model mask
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Hello everybody,
I have a model that contains a controller. I want that model's sample time and a few sample times inside the model to be specified by a specific value that I can enter using a model mask. I tried setting the sample time of the model and the sample times of a few other blocks to "sampleTime", then I defined a new matlab variable in the model workspace called "sampleTime" and ticked the "argument" checkbox. Then I created a mask in order to specifiy that sample time, however when simulating the model as a model reference block, simulink gives me the error "Parameter 'SampleTime' of 'singlePid/i_nomA_dig' (and also for all other blocks where the sample Time was specified) is non-tunable but refers to model arguments (sampleTime)". Is there a way to set the parameter to tunable? Or is there any other way to specify that value?
Greetings,
David
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2018년 5월 30일
Model can resolve the sample time from base workspace only.
Just create the variable "sampleTime" in base workspace. In your mask, use mask initialization to change the value of "sampleTime".
For example: If you have edit dialog in mask and its name is mskChildMdlSampleT, then write below in maks initialization pane:
assignin('base', 'sampleTime', mskChildMdlSampleT);
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