Real time data transfer between MATLAB and Raspberrypi

Question

Akshay Patil 2021-2-20

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https://ww2.mathworks.cn/matlabcentral/answers/751004-real-time-data-transfer-between-matlab-and-raspberrypi

回答： Prasanth Sunkara 2021-3-8

I am trying to control a hardware connected to a matlab PC through Raspberry pi. Basically the real time measurements used for control is collected in MATLAB and I have to transfer them to Rpi where I have written the control algorithm in python script.

Can anyone help me to establish this communication between MATLAB and rpi

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Answer 1

Vimal Rathod 2021-2-22

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Hi,

Refer to the following link to know about transferring data from MATTLAB to Raspberry PI

Transmit and Receive Data Using Raspberry Pi CAN blocks - MATLAB & Simulink Example (mathworks.com)

Refer to the following link to know more about setup and config and other important processes involving raspberry pi

Simulink Support Package for Raspberry Pi Hardware Documentation (mathworks.com)

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Answer 2

Prasanth Sunkara 2021-3-8

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Hi Akshay,

You can setup a TCP/IP server on the raspberrypi(in your python code) and create tcpclient on MATLAB. Exchange the control information from MATLAB using the "write" method of the "tcpclient" object.

That said, you would be better off using off the shelf TCP/IP blocks of Simulink support package for Raspberry Pi and model your control application directly in Simulink, instead of python.

You will find some useful control application examples in the Simulink Support Package for Raspberry Pi documentation

1) https://in.mathworks.com/help/supportpkg/raspberrypi/ref/led-control-from-android-r-device.html

2) https://in.mathworks.com/help/supportpkg/raspberrypi/ref/detect-boundaries-of-objects-within-video-using-matlab-function-block-in-simulink.html

3) General PID modelling in simulink --> https://in.mathworks.com/help/simulink/slref/pidcontroller.html

Hope this helps!

-Prasanth