Title :
Robust digital control for PFC boost converter
Author :
Ohta, Yoshihiro ; Higuchi, Kohji ; Kajikawa, Tatsuyoshi ; Matsushima, Tadashi ; Suzuki, Motoaki
Author_Institution :
Univ. of Electro-Commun., Chofu, Japan
Abstract :
Robust PFC converter which can covers the dynamic characteristics changes of load changes and duty ratio changes with only one controller is needed. In this paper, the robust digital controller for suppress the change of step responses and variation of output voltage in the load sudden changes with high power factor and low harmonic is proposed. Experimental studies using Microcontroller for controller demonstrate that this type of digital controller is effective to suppress variations and power factor improvement.
Keywords :
digital control; harmonics suppression; nonlinear control systems; power convertors; power factor; power factor correction; robust control; step response; voltage control; microcontroller; nonlinear PFC boost converter; output voltage variation suppression; power factor correction; robust digital control; step response change suppression; Control systems; Equations; Harmonic analysis; Inductors; Power harmonic filters; Reactive power; Voltage control; Microcontroller; Power Factor Correction; approximate 2DOF; boost converter; digital robust control;
Conference_Titel :
SICE Annual Conference (SICE), 2011 Proceedings of
Conference_Location :
Tokyo
Print_ISBN :
978-1-4577-0714-8
