Analysis of switching frequency reduction methods applied to sliding mode controlled DC-DC converters

Author

Cardoso, Braz J. ; Moreira, A.F. ; Menezes, B.R. ; Cortizo, P.C.

Author_Institution

Federal Univ. of Minas Gerais, Belo Horizonte, Brazil

fYear

1992

fDate

23-27 Feb 1992

Firstpage

403

Lastpage

410

Abstract

The operation of sliding mode controlled DC-DC power converters operating at finite switching frequency is studied. Several methods currently used for reduction of power electronic converter switching frequency are considered. The finite switching frequency behavior of the control system that arises from the use of those switching frequency reduction methods is analyzed from the viewpoint of dynamic and steady-state errors. Simulation and experimental results are presented. Hardware details for the implementation of the switching frequency reduction methods that lead to the best results are also given

Keywords

control system analysis; frequency control; power convertors; switching circuits; variable structure systems; control system; errors; power electronics; sliding mode controlled DC-DC power converters; switching frequency reduction; variable structure systems; Control systems; DC-DC power converters; Electric variables control; Error correction; Hardware; Sliding mode control; Steady-state; Switches; Switching converters; Switching frequency;

fLanguage

English

Publisher

ieee

Conference_Titel

Applied Power Electronics Conference and Exposition, 1992. APEC '92. Conference Proceedings 1992., Seventh Annual

Conference_Location

Boston, MA

Print_ISBN

0-7803-0485-3

Type

conf

DOI

10.1109/APEC.1992.228382

Filename

228382