软开关技术的发展及其现状

:100320794(2005)1120003203软开关技术的发展及其现状,(,232001):,PWMPWM,,:;;PWM:TM564:A1,,,,,,,diPdtduPdt,,,,,,,23,:PWMPWM,2.1(1),207080,,,:,,,,:[1].[J].,2001,(4):57-59.[2].[J].,2004,(5):26-27.[3].[J].,2004,18(4):28-30.[4],,.[J].,2003,(6):41-42.[5],,.[J].,2002,34(6):832-837.[6],.[J].,2000,(6):418-422,408.[7],,.[J].,2004,36(2):191-194.[8],.[J].,2000,(12):32-33.:(1979-),,2003,:.E-mail:[e-mail].:2005206214PresentSituationandDevelopmentofMineVehicleSuspensionSystemTONGJun-ling,LIWei,GUANLian-jun,WANGAi-bing(CollegeofMachtronicsEngineering,ChinaUniversityofMiningandTechnology,Xuzhou221008,China)Abstract:Suspensionsystemismainlyusedtorelaxroadsurfaceimpact,attenuatevibration,ensurevehicleridecomfortandstabilitycontrolcapacitiesduringrunning.Theworkingatmosphereofminevehiclesisverybad.Sotherewillberideproblems,andespeciallythevehicleandroadwillbedamaged,orevencauseanaccidentifthesuspensionsystemistoobad.Inthispaper,theimportanceofsuspensionsystemtominevehicleanditsroadareintroduced,andthepr2esentsituationanddevelopmentofminevehiclesuspensionsystemareexpatiatedaswell.Keywords:suspension;minevehicle;road#3#200511;,,,1990,IvoBarbi,JulioCOBolacell,DenizarCMartinsFaustoBLibano(1),F1C1Lee(2)1Fig.1LowerPWMzerocurrentswitchingquasiresonanceconverter2Fig.2Lowerfrequencymodulatezerocurrentswitchingquasiresonanceconverter(2),,,,1990,Mi2lanMJovanovicFredC1Y1Lee(3),14,,3Fig.3Half-bridgezerovoltagemultiresonanceconverter(3)2004,S1Beherd,S1P1DasS1R1D2oradla,42,2,2,,2.2PWMPWMPWMPWMPWM,(ZVS-QRC)PWM,,S.Moisseev,S.HamadaM.NakaokaPWMDC-DC,(4),,:4Fig.4Full-bridgephaseshiftsoftswitchingDCchopperconvertercircuitwithtapjointinductancefilter2.3PWM,,1991F1C1Lee,HuaG1LeuC1S1,,,,,,,,M1L1Martins,J1L1RussiH1L1Hey,:,PWM3:(1)#4#))),200511;(2);(3),,3,,,,,,Chien-mingWang,(ZVS-PWM),,,,H1Ogiwara,M1ItoiM1Nakaoka,PWM,20kHz,C1M1Wang,H1J1ChiuD1R1ChenPWM,:,,,IGBT,,,,,,,,,,44,,,,:[1],.()[M].:,2004.[2],,.[M].:,2004.:(1982-),,,,:.E-mail:[e-mail].:2005206230TheDevelopmentandtheFreshStateofSoftSwitchingTechnologyJIANGYuan-yuan,LIZhen-bi(AnhuiUniversiyofScienceandTechnology,Huainai232001,China)Abstract:Thispaperpresentsahistoryofthedevelopmentofsoftswitchingtechnologyandthefreshresearchstate,whichcontainsquasiresonancecircuit,zeroswitchingPWMcircuitandzerotransitionPWMcircuit.Italsopresentsanewimprovementofsoftswitchingtechnologyandsometypicalcircuits.Keywords:softswitching;quasiresonance;PWM请订阅5流体传动与控制6:4-744:():(),16K5,30,:CN31-1921PTH:::400:200052:[phone]:[phone]::[e-mail]#5#200511))),