基于切换线性系统的DC-DC变换器矩阵系数多项式描述模型.pdf.pdf

26! 21" #$%&'()* . 2006 2006+11, ProceedingsoftheCSEE ?. !"#$0258-8013(2006)21-0065-06 %&'(#-TM113 )*+,-A -.'(#-470?40 /01234567DC-DC829 :;5<=>?***@ABC !" 1, # $ 2%#&' 2%()$ 2%*+, 2 1. !"#$%&'()*!+,!"-. /0123&#4&)*!+,!"-5106405 MatrixCoefficientPolynomialDescriptionModelofDC-DCConverters BasedonSwitchedLinearSystems DUGui-ping 1,ZHANGBo 2 , ZHANGYong-ping 2, HUZong-bo 2, DENGWei-hua 2 ( PowerCollege, SouthChinaUniversityofTechnology, Guangzhou510300, GuangdongProvince, China; 2. R&DCenter, GuangzhouElectricApparatusResearchInsititute, Guangzhou510640, GuangdongProvince, China) ABSTRACT:DC-DCconvertersarecon-sideredtobeone typeofhybriddynamicsystems- newmathematicalmodelofswitchedlinearsystemmatrix obviousdescriptionformoftherelationshipbetweenthe continuouspartanddiscretepartisbuilt,anewmodelof switchedlinearsystemofDC-DCconverter,inwhich continuousvariableanddiscretevariableinteractoneachother directly,,thenewmodelhelpsto revealtheessenceofoperationactivityandanalyzethe performanceofDC- steady-stateanalysisandclosed-loopsimulationoftransient responsehavecertified thepracticabilityof thenewmodel. KEY WORDS:powerelectronics;switchedlinearsystems; dc-dcconverter;modeling DE$./0DC-DC1