油位传感器功能测试自动化设计

苏州大学硕士学位论文油位传感器功能测试自动化设计姓名：吴仕平申请学位级别：硕士专业：信息与通信工程指导教师：曲波2010-11IARMLPC2103VBARMAbstractOilLevelSensorFunctionTestAutomaticDesignIIOilLevelSensorFunctionTestAutomaticDesignAbstractWiththedevelopmentofsocialeconomyandtheprogressofautomotivetechnology,thedemandofoillevelsensorsisincreasing.Oillevelsensorsareworkingproperly,notonlycanletenginesareingoodworkingcondition,alsocanletdriversknowtheexactlyamountoffuel,reduceunnecessarytrouble.Atpresent,moreandmorepeopleresearchonoillevelsensorsforimprovementofinductionanddisplay.Butthefunctiontestmethodsofoillevelsensorsarestudiedless.Therefore,itisofgreatvaluetoresearchautomaticfunctiontestforoillevelsensors.Accordingtotheworkprincipleoftheoillevelsensorsandcombinedwithoillevelsensorsfunctiontest,weproposedtheoillevelsensorfunctiontestautomaticdesignmethod.Usingthesteppermotorsubdividedtechnologytorealizethefullrangeofoillevelsensorstest.UsingARMLPC2103processorchipasthemaincontrolchip,realizesthesteppingmotorcontrolling,dataacquisition,datastorageandtheuppercomputercommunicationsetc.UsingVBlanguagetodeveloptheuppercomputerinterfacetestingsoftwaretoachievethecontrolofthelowercomputer,receivedatafromthelowercomputer,determinetestresultsandsetsystemparametersetc.Theproposedofoillevelsensorfunctiontestautomaticmethodrealizesthedynamicprocessofsamplingtoachieveadynamicperformancetestthewholeamountandcanaccurateoillevelsensormorefunctiontests.Thetestmethodinordertoensurethequalityalsocanreducethetestingtimeandimprovetheefficiency.Keywords:OilLevelSensor;DataSampling;StepperMotorSubdividedTechnology;ARM;FunctionTestWrittenbyWuShipingSupervisedbyQuBo11.1:2008,9382009,1300,1000(ElectronicControlUnit,ECUECU[1]1.2:1.,01/212.2,1.3[1]1.4,ARMADC3ARMADCADC42.1GB/T7665-2005[2][3]2.12.1,,5420mA,[4],2.20~1052.22.32.262.3(1/2[5])2.4R1100R1%1/2WVDC(+/-0.010)VDCChannel1RxVDCChannel2VDCGNDTestConn1TestConn2ConnectorFuelSenderWire1FuelSenderWire2FuelSender2.4VDCSwitchPower12VVDCChannel1SwitchPowerVDCChannel2VDCGNDSwitchPower7R11001%1/2WR1)(*2121VVVRRx−=(21)V1VDCChannel1V2VDCChannel2V1V2RxRx(1)122211(2)121(3)52.512(4)52.52110ms(5)1+-11R12+-22R2maxR3PASSFail1282.32.3.12.5ADCPCRS2322.5(1)(2)(3)(4)PC2.3.22.3.12.692.6ADCVDCChannelVDCChannel2RAMEEPROMPCNoYesADCPC103.12.3.1,3.1ARMBoardPeripheralBoardSwitchPowerToPCACINA+A-B+B-REDGRNYELBLUMotorMotorDriver+24VGND+5VCPDIRJ11_1J11_2J11_3J11_4+12VGND+5VGND+5VGND+5VGNDJP5_1,2JP5_35,36JP5_25JP5_26JP5_8JP5_19JP5_20JP5_21J1_3J1_4J5_1J5_2J3_1J3_2J3_3J3_4BuzzRxJ10_1J10_2GND+12VGND+24V3.1SwitchPower:ARMBoardARMPeripheralBoardARMMotorDriverMotorARM10msAD1AD2,1S1120040016800Byte8RAM(Ateml89S52RAM256Byte),EEPROM,32ARM3.2ARM7LPC21033.2.1ARM7LPC2103LPC210332ARM78KBRAM32KBFlash10A/D82.44usLPC21031.8V3.3VSwitchPowerSwitchPower5V3.3V1.8VEasyARM2103LDOSPX1117M-3.3SPX1117M-1.83.3V1.8V3.212POWERCON25VD1C110uFVIN3GND1VOUT24U1SPX117M3-3.3C410uFR10R20AP3V3DP3V3VinC210uFVIN3GND1VOUT24U2SPX117M3-1.8C310uFR30R40DP1V8VinR501.8V3.3VC6104C5104C7104DP3V3DP1V8AP3V3.3.2ARMLPC2103LPC2103(PhaseLockedloop:PLL)12PLLInSystemProgrammingISP130MHz150MHzPLLISP1025MHz1025MHz[6]11.0592MHZ,ARMLPC21033.3CAT1025nRSTLPC2103CAT1025nRESETLPC2103[7]MR1RESET3VSS4WP7SDA5SCL6RESET2VCC8U3CAT1025SIRST1R64.7KR74.7KR84.7KDP3V3nRSTR94.7KR104.7KP0.2P0.3C8104DP3V3..3.3ARMLPC21033.2.2ARM7LPC2103ARMLPC2103//ARMLPC2103A/D01ARMLPC2103UART0LPC2103LPC21032PINSEL0PINSEL1A/DP0.2213P0.23P0.220P0.231UART0P0.0P0.1,P0.0UART0TXD0P0.1UART0RXD03.3ADC3.3.1ADC-(A/DAnalogtoDigitalConversion),ADC-(D/ADigitaltoAnalogConversion),DAC[8]A/D8A/DA/D9~121310A/D11A/D[9]1011A/DA/DA/DA/DA/D100usA/D10KHZ10A/D1KHZARMLPC2103810140~3.3VLPC2103A/DARM4.5MHZ11[7]3.3.2ARMLPC2103A/DA/DA/DLPC2103A/DA/D3.3V10A/DUadc,(Uadc/1024)*3.3VRxA/D3.4VCC12VAB3.3VLPC2103A/DVCC12V3.3V3.3V12VA/D0R51R52AA/D1R53R54BR51R52ACBDR51=R53R52=R54R542MR53470KRxRxR1Rx2-115R51470K1%R1100R1%Rx12J5R522M1%R53470K1%R542M1%J10J10_1J10_2+12VP0.22/AIN0P0.23/AIN1ABC_V1D_V2...3.4A/D3.43.4.1[10]3.53.63.516REDAGRN/AYELBBLU/BM4LeadWireREDAGRNCYELBBLUDM6LeadWireWHTOBLKM3.64,1-2[11]1.83.1ABCDA3.1STEPABCD11000201003001040001171.83.2ABBCCDDAAB3.2STEPABCD111002011030011410010.91-23.3AABBBCCCDDDAA3.3STEPABCD11000211003010040110500106001170001810013.4.23.4.11.8182000.94000~105116104.4117105.30~1050.9[12][13][14][15]1.840.450.453.4,3.4/10.9/20.45/40.225/80.1125/160.05625/52.5/19t0.95.5210009.0=tt=17ms17ms/10msNM10*17=MNN=2M18.5ms;M217msN=4M28.5ms;M312.75msN=8M48.5ms;M510.625msN=16M99.5625ms;M1010.625ms16990.506251.0625ms9.5625ms3.4.3[16]SH2024B2PWM[17]15V~36VSwitchPower24VA+A-B+B-A+A-B+20B-OPTP+5VSwitchPower+5VDIRARMCPARM0.5A~2A,2481632646ARMARM3.7ULN2803ULN280374HC04ULN28032.7K,5VTTLCMOS,I11I22I33I44I55I66I77I88GND9VCC10O811O712O613O514O415O316O217O118U2ULN28031A11Y22A32Y43A53Y6GND74Y84A95Y105A116Y126A13VCC14U174HC04123456J3R24.7KR34.7KR44.7K1234J11R5100R6100R7100+5V+5VDP3V3+5VCPDIR..3.7ARM3.53.5.18163221RS232RS485RS2325015mModem[18]RS232RS422RS485USBRS232RS232RS2320+3V1-3V(ON)+3VOFF-3V[8]-15V~-3V+3V~+15V-3V~+3V-15V+15V-15V~-3V+3V~+15VTTL0-5VRS232TTLTTLRS232TTLMAX232RS2320~20000bit/s19200b