P-H diagram in Axes tool of App designer

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Mauricio Bassallo 2021-7-6

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https://ww2.mathworks.cn/matlabcentral/answers/872803-p-h-diagram-in-axes-tool-of-app-designer

评论： Abhinaya Kennedy 2024-6-6

Hi,

I want to reproduce the p-h diagram in App designer usin the 'Axes' component during the simulation of my simulink refrigeration model. My model has sensors elements from Simscape which provide the respective outputs of pressure and enthalpy necessary for the p-h diagram. However, I do not know how the code should be in UIAxes callback in order to take the live data from the sensors and then plot it in the 'Axes' component.

does anybody know how to do it?

Thanks in advance for your comments!

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Abhinaya Kennedy 2024-6-6

To create a p-h diagram in App Designer:

UIAxes Callback: Write a callback function (e.g., "updateAxes") to:

Access latest pressure/enthalpy using "get_param('SimulinkModelName','SimulationState')".
Update "XData" and "YData" of the Axes component with retrieved values.

Triggering the Callback: Use a timer object in your App code or a Simulink "Update Diagram" block to call the callback function regularly during simulation.

This approach allows for a real-time p-h diagram reflecting your Simulink refrigeration model's behavior.

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