Title :
Auto-disturbance-rejection control for phase-shifted resonant converter
Author :
Lu, Yang ; Cheng, K.W.E. ; Ho, S.L.
Author_Institution :
Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hung Hom Hong Kong
fDate :
9/1/2006 12:00:00 AM
Abstract :
A robust auto-disturbance-rejection controller (ADRC) for phase-shifted resonant converters is proposed. The variation of load resistance is observed and estimated by an extended state observer, which is the core of the ADRC. A dedicated nonlinear state error feedback is proposed to synthesise the control actions to obtain superior dynamic performance. Laboratory experiments based on a Matlab/DSP system have been carried out and the results confirm the robustness of the controller
Keywords :
control system synthesis; digital signal processing chips; mathematics computing; nonlinear control systems; observers; resonant power convertors; robust control; state feedback; Matlab-DSP system; auto-disturbance-rejection control; control action synthesis; nonlinear state error feedback; phase-shifted resonant converter; robust controller; state observer;
Journal_Title :
Electric Power Applications, IEE Proceedings
