In Simulink demo sldemo_absbrake, the plotys are generated without using blocks. How did they do it?

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John Krzykacz
John Krzykacz 2018-3-24
评论： John Krzykacz 2018-3-27
I suspect it is related to logging data in workspace..???

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Birdman
Birdman 2018-3-24
编辑：Birdman 2018-3-24
It is done via Simulation Data Inspector. If you click on the icon on the yout and slip signal in the model, Simulation Data Inspector pane will open up and there you will see signals automatically logged and plotted at the end of the simulation. Data Inspector's job is to plot them automatically at the end of the simulation.
Also, if you go to File->Model Properties->Model Properties->Callbacks->StopFcn, you will see the necessary command to plot the logged signals. Check those callbacks to see actually what is going on.
Hope this helps.
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Birdman
Birdman 2018-3-25
Try this. The basic workaround for it is to use To Workspace block, log the data and plot the variables automatically at the end by the code used in StopFcn. Check what I wrote there.
John Krzykacz
John Krzykacz 2018-3-25
Thanks! It is working, indeed! I am attaching an original file with a model and some remarks on page 37. It is still puzzling me, but can be a hint for you. How to re-do this idea? JK

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更多回答（2 个）

John Krzykacz
John Krzykacz 2018-3-25
Hallo My Friend, I found an m file, which includes the info on generating the plots without blocks: sldem_absbrakeplots.m (attached) Also there is a project summary in: https://www.mathworks.com/help/simulink/examples/modeling-an-anti-lock-braking-system.html
Now, I need to learn, how to incorporate an m file into a Simulink model... Could you use this m file and plot without blocks??? Best- JK
Sara Nadeau
Sara Nadeau 2018-3-26
A bit of clarification on the comment that mentions the Simulation Data Inspector:
The Simulation Data Inspector does not plot any data automatically at the end of the simulation and is not related to the plots generated when you simulate sldemo_fuelsys. As the comment pointed out, the model uses the callback StopFcn and an attached m file to create the figures.
You can also quickly view logged signals using the Simulation Data Inspector. Clicking the logging badge on the signal selects the signal to plot and opens the Simulation Data Inspector at the same time. If you open the Simulation Data Inspector using the button on the Simulink Editor toolstrip, no signals are plotted, and you can select signals to plot and inspect using the checkboxes next to the signals.
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John Krzykacz
John Krzykacz 2018-3-27
And one supplementary question: how does the system know, where to find the ...plots.m and ...data.m files? Is the default directory set somewhere? The Callbacks commands do not specify files directory Thanks- JK
John Krzykacz
John Krzykacz 2018-3-27
...I found out the answer. The files are/must be located in the model directory. Thanks for your time and for Callbacks idea. JK

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