Designing of boost converter controller using Perturb and observe (P&O) Technique

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eng_ema

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Hello Everyone,

i am designing a boost converter analog controller using P&O technique
i need an analog circuit works as accumulator instead of integrator ... because the integrator slop changes slightly and it make problems in my design

so any on can help me
also if any one used an integrator before can tell me who to optimize its parameter??

Thanks in advance
 

Re: Designing of boost converter controller using Perturb and observe (P&O) Technique

Assuming you'll be using an opamp integrator since you're going analog, the equation is
\[V_{out} = -\frac{1}{RC}\int_0^t V_{in}(t) dt\]
Hence the integrator can be most easily tweaked by choosing a fitting order of magnitude for C and then adjusting R appropriately.
 

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