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Compiler/LAUNCHXL-F28377S: Three phase inverter programming

Gauthier Mervillie
Prodigy 100 points

Part Number: LAUNCHXL-F28377S

Tool/software: TI C/C++ Compiler

Hello everyone,

For my project I'm using MATLAB and SIMULINK to program the TI Launchpad. The program C2000 and Matworks both provide an example to generate a variable PWM signal. The link to this example is given here: https://nl.mathworks.com/help/supportpkg/texasinstrumentsc2000/ug/modify-epwm-using-dma.html

I could implement the signal without a problem, but now is my question how I can get three such variable signals out of the TI Launchpad. I tried understanding the program behind it, but without succes. The result I want in the end is a three phase inverter with 120° phase difference. Below you can see what I tried to do:

I was able to get three signals on the Launchpad, but only one had variable pwm. More precisely, the one which was already present in the example. Hope you can help me with this issue

Thanks in advance!