If you have prior experience in control systems from your undergraduate engineering courses, constructing the model in Simulink should be a relatively straightforward task, potentially taking less than a minute. However, designing the double PID controllers may present an additional challenge if you are not familiar with the underlying "graph-to-gain" mathematical formulas.
Could you please provide the relevant formulas from your lecture notes on the Buck Converter? Having access to those materials would be helpful for Simulink/Simscape Expers to better understand the approach you are attempting to implement.
