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BOCST DC/DC CONVERTER CONTROL BASED ON FUZZY LOGIC | ||
| Basrah Journal for Engineering Science | ||
| Article 5, Volume 6, Issue 1, 2006, Pages 48-61 PDF (0 K) | ||
| Authors | ||
| Ali Fathel; Ramzy S. Ali; Jawad Radhi | ||
| Abstract | ||
| This paper proposes a fuzzy logic based controller for boost type DC/DC converter. It forms an improvement to the dynamic performances of the well known P1 like fuzzy controller which uses the output voltage error & its rate of change as an inputs. The proposed controller generates a duty ratio control signal through the addition of a weighted part of the input voltage and of the low pass filtered signal of the inductor current to that of the fuzzy controller which is fed by voltage error and a signal representing the differences of the output voltage from its low pass filtered version. The controlled boost DC/DC converter exhibited excellent performances under small and larger disturbances of the input voltage and output load resistance and also showed good reference tracking ability. | ||
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