TMS320F28335: Model for Simulink based buck converter control
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I have been trying to implement the logic that I used in my simulations using F28335. But I am having difficulties using the encoder blocks.
Control logic I am trying to develop:
Generate error signal from comparing the values across two ADC inputs (reference and feedback) if the error is positive (i.e. reference > feedback) increase the duty cycle of ePWM output else decrease the duty cycle of ePWM.
Also, if I use the ADC block and attach a scope and run the simulation after transferring the code to hardware, I cannot view the converted value by the ADC (I am varying the voltage across the ADC pins betwwen 0-3V but the scope always reads 0).
Can someone please guide me through using the Simulink?
Venkatesh Chilapur 2019년 2월 13일
Please let us know if this example works for you.
The example would use the ADC and PWM module.