Stability analysis and compensation of a boost regulator with two-loop control
- 1 June 1974
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 02759306,p. 237-245
- https://doi.org/10.1109/pesc.1974.7074354
Abstract
A describing-function approach to characterize analytically the frequency response and to design accordingly the feedback compensation of a staggered-phase boost regulator with two-loop control is presented. It is concluded analytically that the uncompensated major loop gain has a significant frequency range where magnitude is inversely proportional to the square of frequency and where phase lag is approximately 180 degrees, so required phase-lead feedback compensation is designed. A comparison between computed and measured loop gains of the compensated major loop gain confirms the analytical model.Keywords
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