Power Factor Corrected Cuk Converter with PI and Fuzzy Logic Controller

This paper presents a comparative analysis between the two controllers, PI and fuzzy logic controller used for power factor correction using DC–DC CUK converter. MATLAB/SIMULINK models of CUK converter are developed to improve the power factor and output voltage regulation. Average current control technique is used for input power factor correction, and to get a regulated voltage at the output PI or fuzzy logic controller (FLC) is adopted. The system is tested at both steady states, transient condition and its performance are then estimated and compared in terms of various parameters like total harmonic distortion (THD), input power factor, output voltage ripple for PI and FLC.