Error in Serial Communication (F28027 + DRV8301) PMSM fault diagnosis - Programming TI C2000 LaunchPad with Simulink
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(Reference : https://kr.mathworks.com/videos/programming-ti-c2000-launchpad-with-simulink-89507.html?s_tid=srchtitle)
Hello!
I want to do ac+dc field excitation in the d-axis (stator)
First, I tried to do Serial Communication.
I tried to apply 750 to each of PWM modules(TI instrument PWM module 1, 2, 3) for switching off the current.
(PWM Counter Period = 1500 & Up&Down Counter)
I use 12-bit Microcontroller, so range will be 0~4095(2^12 - 1)
Also I switched off the current, so serial Communication have to show me 2048 +- a (measure current_A phase)
But it showed 460 +- a (measure current_A phase)
I want to know what happen in my model. Do I make wrong model?
Thank you!
Fig 1 = Model Fig2 = ADC-PWM Subsystem Fig3 = Serial Communication Fig4 = Result
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/292650/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/292651/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/292652/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/292653/image.png)
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