感性移相PWM控制商用電磁爐控制系統(tǒng)的研究與設(shè)計.pdf

1、桂林理工大學(xué)碩士學(xué)位論文感性移相PWM控制商用電磁爐控制系統(tǒng)的研究與設(shè)計姓名：邱兆新申請學(xué)位級別：碩士專業(yè)：檢測技術(shù)與自動化裝置指導(dǎo)教師：鄒自明201104AbstractCommercialinductioncookerisanewheatingequipmentusedinmodemfoodindustrycomparedwiththetraditionalstove，ithashighefficiency，energysaving

2、，smart，stable，environmentalprotectionandsafetyfeaturesThisPaperdesignahigh—powercommercialinductioncooker，completedthemairrcircuitandcontrolsystemhardwaresoftwarealgorithmsandprogramdesignSpecificcontentsareasfoliows：Fir

3、stbasedontheanalysisoftheadvantagesofcommercialinductioncookerdevelopmentstatusandthepresenceoftechnicaldi硒cultiesresearchedindepththecommercialinductioncookerseriesresonantcircuitandachieveIGBTsofi_switchingprocessofthe

4、specificworkundertheloadphase—shiftedPWMcontroI，establishadesignofcontrolsystemhardwarecircuitdesigncontrollerbasedS3F9454B，theuseofloadcurrent。voltage，thecalculationofactivepowerandthedoubleloopfrequencytrackingcontrolo

5、fthefeedbackcircuitusePLLchipCD4046onfrequencytrackingandphaseshiftedPWMcontrolofemotionalpowerregulatorway，hardwareplatfornlbasedonthreephaseuncontrolledrectifierandsinglephasefull。bridgeseriesresonantcircuitvoltagesour

6、ceinvenerIntheidealcase，theinductivephaseshiftPWMcontrolcurrentthroughtheloadfrequencytrackingandphaseshiftingcontr01makebenchmarkaimdeviceoperateinzerocurrentswitchingandphase—alnldeviceoperatesopeningatzerocurrenthighc

7、urrentstateofthehardworkoffTakingintoaccounttheIGBTdevicesnon—idealtoachieveSOftswitchingapproachistoswitchthedeviceontheparallelbufferlosslesscapacitortransfercurrentandvoltageclamptocreateaZVSOFFenvironmentmakeallthesw

8、itchingdevicesareworkingillZCZVS—oN&ZVSOFFsoftswitchstateHardwaredesigninclude：themaincontrolleranditsperipheralcircuitsPLLCD4046frequencytrackingandpowercontrolcircuitry，inverterisolateddrivecircuits，agivenpoweractivepo

9、wervoltage，currenttemperaturesignaldetectioncircuitprocessingandprotectioncircuitofdisplayalarmandfaultmanagementFaultsignalprocessingusebothinhardwareandsoftwareprocessingmethodsandswitchingdeviceIGBTdrive2SD106AIsetbyt

10、heintegratedsoft—startandshutdownthedrivetoimprovetheoverallcontrolsystemreliabilityandsecuritySoftwarecontrolalgorithmusethecontrolstrategywhichcombinedwithfuzzyPIDcontr01Fluctuationsoverthescopeofpowerallowed，ifthesyst

11、emdetectsthepowerdeviationsgreaterthanthevalueof￡setedusedfuzzycontrolleriflessthanthevalue￡usePIDcontrollermakingthesystemhasbetterinstantaneouspowerregulationstateperformanceandstableperformanceAtthesametimedesignedthe

12、loaddetectionroutineandautomaticshutdownfunctionsonlongpotstartwithunmannedandotherfunctionstoensurethecookeratthesafetyworkandireprovethelevelofintelligenceThispaperfinallydesignapoweroutputof20kW，20kHz～501dlzoperatingf

13、requencyofcommercialinductioncookerofthemaincircuitandthehardwareandsoftwarecontrolsystem，simulmionexperimentcontrolsystem，itcanachievethiscookersoftswitchingstateandoutputpowerstability，meetthisdesignneedsKeywords：Comme