电动汽车交流充电桩控制系统设计-徐坤

37320166JournalofHenanUniversityofScienceandTechnologyNaturalScienceVol．37No．3Jun．20161421022106002015ZKNUB2151011980－．2015－10－201672－6871201603－0047－06DOI10．15926/j．cnki．issn1672－6871．2016．03．011466001STM32。。PWMADC、、。。TM910．6A0。1－3。4。、5。。6FreescaleK60。7。8programmablelogiccontrollerPLC。9μC/OSⅡ。、。STM32STM32F107radiofrequencyidentificationＲFID。STM32F107Internet。GB/T202341210－11。13、、、、、、。。l。STM32F107STM32。analogtodigitalconverterADC、pulsewidthmodulationPWM/universalsynchronousasynchronousreceiver1andtransmitterUSAＲT。。1ＲS485STM3210connectionconfirmationCCcontrolpilotCP①⑦7LNPECCCPNC1NC2。22．1ＲS4852ＲS485STM32F107ＲS485ＲS4852。MAX485ＲS485。MAX485ＲODISTM32F1071ＲXD1TXD1Ｒ4AB120ΩC10．1μF。DL/T645—20071。168HA0A1A2A3A4A5CLDATACS16HDATA、。33H33H。CS256256。。2．233B3。、batterymanagementsystemBMS。·84·20163CP1、S2Ｒ1、Ｒ2、Ｒ3。312。1S21U1U1=+12V。2S2。31U1U1=U－Ｒ1Ｒ1+Ｒ3U－UD1Ｒ1Ｒ310－111000Ω2740ΩU10－11U=+12VUDD10．7V。1U1≈8．99V。3S2。1U123U1=U－Ｒ1Ｒ1+ＲU－UD2Ｒ=Ｒ2·Ｒ3Ｒ2+Ｒ33Ｒ210－111300Ω。U+12VU1≈5．99V。42PWMCPPWMLEDQ1Q2CP/V+12－12+12VPWMPWM+12V－12V。4STM32F107PWM6N135Q1、Q2CP。Ｒ56N135LED220ΩＲ7GB/T20234．2111000Ω。PWM+12V－12VPWM50%Q1、Q2PWMCP2。2．3、HA17904HCPL7840。5。5HCPL7840、1000。D2Ｒ8CP0～12V。Ｒ9Ｒ1010000Ω270Ω320mVHCPL7840VIN+。C3～C60．1μF。STM32F107ADCADC1ADC2ADC、CP△UVOUT+VOUT－·94·。△U。VOUT+VOUT－HCPL7840Ｒ12C7ＲCＲ13C8ＲC。52．466。KBSW220VLN。GPIOＲ14、Ｒ15Q3KB。GPIO。SW。INTSTM32F107。6D3KBＲ16、Ｒ17、C9D4。Ｒ16Ｒ1730000Ω3300ΩC90．1μF。3、、、。、。CP。。7。4SQＲ7000BEVJ00。TektronixDPO7254C2．5GHz40G/s。。·05·2016374．1STM32F107ＲS485。FE6829250112144068010243C38E162925011214408E。FE68292501121440680643C369553333B516695533330x333622000022．36kWh。FE1FEB5。4．21U11、23±0．8V3。33+12VQ1。ADC1ADC2ADC△UVOUT+VOUT－3△U。3/V/VU1/VADC1/VADC2/V△U/VAD11211．212．811．563．761．332．437BH298．29．88．603．391．791．6054H365．26．85．553．082．290．792AHADC80～5V5/255V0．0196V0．02V。33△U0．8VAD。8。4．3PWMCH18。81．000msPK-PK-。15%1-PK-PK22．9V·15·1111．45V12-17．60V8．80VS2235．80V3。CP。GB/T20234．2。5STM32F107。。。、、。。1．J．2015392277－279．2．J．2015322279－284．3．J．201536620－25．4．J．2011371150－156．5．AＲMJ．20131648－52．6．J．201440265－67．7．J．2013502112－115．8．PLCJ．201530238－41．9．J．20123616178－180．10．1GB/T20234．1—2011S．2012．11．2GB/T20234．2—2011S．2012．12．J．201451578－82．·25·2016No．3CONTENTSANDABSTＲACTS·Ⅴ·frequencyandcategorydistributionoffeatureitemsanewChi-squarestatisticfeatureselectionmethodcombinedwiththecosinesimilaritywasproposed．Firstlythemeantermfrequency-inversedocumentfrequencyTF-IDFwasusedtorepresentthefeaturesandtheselectedfeatureitemswasbalancedbyintroducingaadjustmentformula．Thusthetraditionalchi-squarestatisticmethodwasmodified．Thenthenoisetextwaseliminatedfurtherbycosinesimilarity．FinallyademonstrationexperimentwasestablishedonthecollectedUyghurdataset．Theresultsshowthattheimprovedchi-squaretestmethodhasbetterrobustness．Theclassificationperformanceissuperiortothetraditionalchi-squarestatisticmethod．KeywordsUyghurchi-squarestatisticcosinesimilarityfeatureselectionCLCnumberTP391．1DocumentcodeAArticleID1672-6871201603-0042-05DesignofAlternatingCurrentChargingSpotControlSystemforElectricVehicle47……………XUKunZHOUZiangWUDingyunGENGWenboLIXiangdongCollegeofMechanical＆ElectricalEngineeringZhoukouNormalUniversityZhoukou466001ChinaAbstractByanalyzingthesystemstructureandworkingprinciplesofalternativecurrentACchargingspotthecontrolsystemofACchargingspotforelectricvehiclewasdesignedbasedonSTM32processor．ThebasicfunctionsandchargingprocessstatesofACcharginginterfacewereelaborated．Thedesignofcontrolpilotcircuitandcharingstateacquisitioncircuitwascompleted．ThepulsewidthmodulationPWMmoduleandtheanalogtodigitalconverterADCmoduleweresetbythesoftware．Thefunctionsofchargingprocesscontrolpilotconnectionconfirmationidentificationofthemaximumcurrentofcharginginterfaceandthereal-timeacquisitionofchargingconnectionstatewererealized．Thetestresultsindicatethatthesystemhasgoodstability．KeywordselectricvehicleACchargingspotPWMcontrolpilotCLCnumberTM910．6DocumentcodeAArticleID1672-6871201603-0047-06DesignandControlofGrid-connectedInverterBasedonSplit-capacitorPassiveDamping53………………………………………………………………………………………………………LIUYingYUZhong’anZOUHaoCollegeofElectricalEngineering＆AutomationJiangxiUniversityofScience＆TechnologyGanzhou341000ChinaAbstractInordertosolvetheproblemsofresonanceinthreephasegrid-connectedinvertercontrolwithloopcapacitorloopLCLfilterasplit-capacitorpassivedampingmethodandparameterdesignwereproposedbycombiningthesplitcapacitorwithpassivedamping．Firstlytherelationshipsbetweenenergyconsumptionsandsplit-capacitorcapacitanceratiowereanalyzedwhichwereinsplit-capacitorpassivedampingschemeandinunsplit-capacitorpassivedampingscheme．Thentherelationshipsbetweensplit-capacitorcapacitanceratioandenergyconsumptionsindifferentfrequencieswereanalyzed．Thesplit-capacitorcapacitanceratiowasfurtheroptimized．FinallytheMATLAB/Simulinksimulationmodelwasestablished．Thesimulationresultsshowthatthedesignedparameterscansuppressresonanceproblemmoreeffectivelyreducegrid-connectedcurrenttotalharmonicdistortionandpowerlossandimprovesystematicstabilityanddynamic．Keywordsthreephasegrid-connectedinvertersLCL-filtersplit-capa