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Discrete prediction controller for DC-DC converter - doi: 10.4025/actascitechnol.v36i1.18770

Rengamani Shenbagalakshmi    
Thangaswamy Sree Renga Raja    

Resumen

A discrete controller is designed for low power dc-dc switched mode power supplies. The approach is based on time domain and the control loop continuously and concurrently tunes the compensator parameters to meet the converter specifications. A digital state feedback control combined with the load estimator provides a complete compensation, which further improves the dynamic performance of the closed loop system. Simulation of digitally controlled Buck converter is performed with MATLAB/Simulink. Experimental results are given to demonstrate the effectiveness of the controller using LabVIEW with a data acquisition card (model DAQ Pad - 6009).   

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