Title :
Design of a digital control system for DC-DC converters to power electromagnets
Author :
Guo, Lisheng ; Aqil, Mohammad ; Zinger, Donald S. ; Ju Wang
Author_Institution :
Dept. of Technol., Northern Illinois Univ., DeKalb, IL, USA
Abstract :
DC-DC converters are used at the Advanced Photon Source (APS) at Argonne National Laboratory to power electromagnets. A highly accurate control system is required for the DC-DC converters. This paper describes the design and evaluation of a digital control system to regulate the output current and reduce noise coupled in the system. A digital controller is first designed based on the small signal model of the converter. Experimental data of the output current is analyzed. Several types of digital filters are then designed to reduce the noise in the output current. The complete control system is then simulated and results are evaluated.
Keywords :
DC-DC power convertors; control system synthesis; digital control; digital filters; electric current control; electromagnets; APS; Advanced Photon Source; Argonne National Laboratory; dc-dc converters; digital control system design; digital filters; noise reduction; output current regulation; power electromagnets; Attenuation; Digital systems; Harmonic analysis; Laboratories; Medical treatment; Time-frequency analysis; DC-DC converters; digital control; digital filter;
Conference_Titel :
Industry Applications Society Annual Meeting, 2013 IEEE
Conference_Location :
Lake Buena Vista, FL
DOI :
10.1109/IAS.2013.6682495
