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20150，，(Extended-RangeElectricVehicle,E-REV）。、(AuxiliaryPowerUnit,APU)E-REV，、。APU，，APU[1]。：，[2]；APU，[3]。，；APU，，CAN。APU，S12X，、，CAN，CAN，，APU。1APU1.1APUE-REVAPU。，CAN。，、[4]。APU，1。1.216MC9S12X：“863”(：2013BAG08B01)；。：2014－11－04：2014－11－12doi：10．3969／j．issn．1673－3142．2015．03．003APU，，（230009）［］，CANAPU。MC9S12X，，CAN，CAN；Tellus、，APU，APU。［］；；；CAN；［］U469．72［］A［］1673-3142(2015)03-0010-05DesignofAuxiliaryPowerUnitControlSystemforExtended－RangeElectricVehicleYinAndong，ZhaoXu，JiangHao（SchoolofMachineryandAutomobileEngineering，HefeiUniversityofTechnology，HeifeiCity，AnhuiProvince230009，China）［Abstract］AnAuxiliaryPowerUnit（APU）controlsystembasedonCANbuswasproposedinthispaper．TheprinciplesandcharacteristicsoftheAPUinExtended－RangeElectricVehicle（E－REV）wereanalyzedindetail．Thedataacquisitionmodule，speedcontrolmoduleandCANcommunicationmoduleweredesignedusingMC9S12Xseriesmicrocontrollerwhichhasdual－coremicrocontrolunit．Thereal－timeperformanceoftheCANcommunicationandcontrolsystemwasimprovedduetoutilizationofthedual－coreresource．Thecommunicationmodulewasdeveloped，debuggedandmonitoredusingtheTellus．AnexperimentalbenchwasalsobuilttotesttheAPUcontrolsystem．Accordingtotheexperimentalresults，theeffectivenessofthedesignedAPUcontrolsystemwasverified．［Keywords］extended－rangeelectricvehicle；auxiliarypowerunit；controlsystem；CANbus；dual－coreAGRICULTURALEQUIPMENT&VEHICLEENGINEERING533Vol．53No．320153March2015533（MicroControllerUnit,MCU），E-REVAPU，：(1)CAN、，，APU，，，。(2)(SOC)APU，，，APU。(3)、，APU，；，CAN，。2APUE-REVAPUMCU、、4。2.1MCUAPUMC9S12XDP512，。，CPUXGATE[5]。40MHz，512KFlash32KRAM。5MSCAN，21016AD，88PWM，8SPI。2.2MC9S12XDP5125V，2.5V，12V，5V，。LM7805ADR02ARZ，、。2.3E-REVAPU、。AD，，I/O。2.3.1E-REVAPU336V、25A，387V，。2。2.3.2APU，。LEMHAIS-50-P，3。2.3.3，1APUFig.1StructureandcompositionofAPUonEREV2Fig.2ResistivevoltagedivideracquisitioncircuitP3DCGNDGNDGNDGNDGNDGNDGNDR401470kR402470kR403470kR404470kR40520kVCCD402IN914D401IN914VsampleU402ATL084R4065kR4071kR4082kC4010．1μFVCCU401PC8173Fig.3CurrentmonitoringcircuitbasedoncurrentsensorP6HAIS－50－PGNDGNDGNDGNDGNDGNDGNDVCCR5011kR5021kR5041kC5010．01μFC5020．01μFR5031kR50620kR5051kU501BTL084CsampleR5081kR5071kC5030．1μFU501ATL084：APU112015，DS18B20，，。2.4APUCAN。CAN、。MC9S12XDP5125MSCAN，CAN2.0A/B，，，，8[6]。CAN2.0ISO11898CAN（CTM1050T），（DC2500V）、ESDTVS。CAN。3APUE-REVAPU、、，S12X，，。APU，CAN、、，4。CodeWarrior、，[7]。：CAN、，、、，，CANAPU。3.1CANS12X，XGATECAN，CPU[8]。MSCANCAN，XGATE，CPU。XGATE，CPU。CAN5。：1）main.cxgate.h[9]。main.c：#pragmaDATA_SEGSHARED_DATAvolatileunsignedcharRxlen,Rxdata[8],Txlen,Txdata[8];//xgate.hvolatileunsignedlongmyID;//xgate.h2）XGATEXGATECAN00x59，0x58。1，：#defineCAN0TX_INT0xB0#defineCAN0RX_INT0xB2：SetIntPrio(CAN0RX_INT,0x81);//SetIntPrio()SetIntPrio(CAN0TX_INT,0x81);3）XGATEISRCAN0，：voidCAN0rec(void){…Rxlen=CAN0RXDLR&0x0F;for(i=0;iRxlen;i++)Rxdata(i)=*(&CAN0RXDSR0+i);myID=CAN_ID(CAN0RXIDR0);//CAN_ID4Fig.4Blockdiagramofmodularsoftwaresystem5XGATECPUCANFig.5ChartofXGATEandCPUhandlingforCANinterruptCPUCANXGATECANCANCPU12533：APUID…}asmSIF;//CPU，CPU，CPU，ID，、、SOC，。11，ID[10]，APU1。3.2E-REVAPU，PI[11]。SOC。4APU1E-REVAPU，CANTellusCAN[12]，AVL，，APU。4.1，CANCAN。CAN，10ms、50ms、100msID201、ID211、ID370，CAN。6—9。6—8：，、、，。，ID2011.5；ID211，，1CANIDTab.1AssignmentofmainIDsofCAN-busID／ms180VCUAPU10APU201APUECU10203ECUAPU10211BMSAPU50370APU100APU（a）11．010.510．09.59．0／ms0200400600800100012001400（b）6ID201Fig.6ContrastofID201’speriodfluctuationwithdualcoreandsinglecore（a）ID201（b）ID201（a）51．050.550．049.549．0050100150200250300（b）7ID211Fig.7ContrastofID211’speriodfluctuationwithdualcoreandsinglecore（a）ID211（b）ID211120100806040（a）100.015100.010100.005100．00099.99599.99099.985020406080100120140（b）8ID370Fig.8ContrastofID370’speriodfluctuationwithdualcoreandsinglecore（a）ID370（b）ID370103102101100999897020406080100120140020040060080010001200140011．010.510．09.59．0／ms／ms050100150200250300／ms／ms／ms132015100ms；ID370，±2ms，(±0.02ms)100。935%~10%。：XGATECPU，，XGATECPU，，。4.2APUE-REV10、11。，，，，。51）E-REVAPU，CANAPU，、,MCUXGATE，CAN。2）：CAN、，；PI，APU，CANAPU,。[1]，，，.APU[J].，2010，36(11):1573-1578.[2]，.[J].,2014,33(5),29-32.[3]，，，.[J].,2007,29(4),321-324.[4].[D].：,2013.[5]FreescaleSemiconductor.9S12XDFAMPP.Rev.2.14[OL].2005(11).[6]CTM1050CAN.Rev.1.21[EB／OL].2009(7).[7].CAN[D].：,2007.[8]FreescaleSemiconductor.AN2726.Rev.1[OL].2006(4).[9]，，，.S12XDXGATE[J].,2008(2):42-44.[10].CAN[M].：,2011.[11]，.[J].,2007,36(4),109-112.[12]，，，.CAN[J]..2012,29(8),873-876.，，。：。E－mail：yin_ad@163.com9Fig.9Responsetothreeinterruptsourceswithdualcoreandsinglecore0200400600800100012001400160033221110Fig.10Chargingatlow-speedpoint25．022.520．017.515．012.510．07.55．02.50150155160165170175180185190195200／s400350300250200150100500／V／A／kW11Fig.11Chargingathigh-speedpoint4035302520151050315320325330335340345350355360365370400350300250200150100500／A／kW／V14