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DC-DC Buck-Boost Converter Closed Loop PWM control

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Can Yilmaz
Can Yilmaz il 7 Mag 2021
Risposto: Sabin il 21 Gen 2024
Hi friends,
I have a buck boost converter that increase the voltage 10 to 15 shown below.
I think that is working. But when I need to add PWM control doesnt work.
Can you help me whats the wrong ? I added to powergui(continous) btw
thx

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Risposte (1)

Sabin
Sabin il 21 Gen 2024
The proportional control employed is not working properly. The controller is very basic, multiplying the error with a constant but the output of the controller is probably not normalized to the same range as the sawtooth generator. See this example for a starting point:
https://www.mathworks.com/help/sps/ug/inverting-topology-buck-boost-converter-control.html

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