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EIC Vol.16 2009 No.4 31 CAN、、,,。◆[1]...2001,3:22-25.[2].,(SOC),2008,4-2,112.[3],[4],,,,,,GB3836.4-2000,29.260.20,2000,4:“i”[M],,,2000[5]MC9S08DZ16datasheets,[6]LT1934MicrosoftStep-DownSwitchingRegulatorsinThinSOT,LinearTechnology[7]LT17643A,LowNoise,FastTransientResponseLDO,LinearTechnology[8]LT1761100mA,LowNoise,LDOMicropowerRegulatorsinSOT-23,LinearTechnology:,(1983-),,,。(1967-),,,。:2008.12.17(9061)doi:10.3969/j.issn.1671-1041.2009.04.018,,(,071003):、,,。,PLC。:;PLC;:TP273 :AThedesignoffrequencyconversionspeed-adjustingsystemforchemistrywaterprocessinginthepowerplantWANGLi-jun,SUNJian-ping,LIXiao-yan(SchoolofControlScienceandEnginerring,NorthChinaElectricPowerUniversity,Baoding071003,China)Abstract:Auxiliaryequipmentinpowerplant,suchasblowersandpumps,consumeslargeamountofelectricalenergy,butitcanbeimprovedalotintermsofenergysavingandeconomicbenefitsiflowefficiencyhydraulicfluidcouplingorconstantspeedsystemcanbereplacedbyfrequencycontrolleddrivesystem.Accordingtothefre-quencyconversioncontrolengineeringdidin,apowerplantofHebei,thearticleillustratesthefrequencyconversioncontrolprojectbasedonPLCforchemistrywaterprocessingandtherunningeffect.Keywords:frequencyconversionspeed-adjusting;PLC;chemistrywaterprocessing0 ,,,。,15000MW,520kWh,5.8%。,。,,,,。PLC,。PLC,。1 ,。、,:1.1 1)、、;、、、;、、;、。2)、、[3]。1.2 1,;,、。,,,。1 ◆◆32 EIC Vol.16 2009 No.4 IPC610、,QuantumPLC(CPU-671601)。2.1 ,,、、。QuantumPLC,、、,。。2.2 PLCTCP/IP。PLC,,;UnityPro2.3iFIX;3 U-nityPro2.3iFIX4.0。PLC,,,。3.1 ,PID,,,。A,,;A,,。L=100.00,Y1;L=10,Y2;10L100,Y3。3.2 ,,,,。1),,,。B,;B,。2)B,;;B,,。3)C,;;C,。。3.3 ,PLC,,A=0.2,B=0.5,C=1;,Y1(≈120),Y2(≈8),Y3(≈60)。4 ,:1),,,35%。2),,,,,。3),PLC。、、,,。◆[1].PLC[J].,2008,25(3):290-293.[2].、[J].,2007,7(2):128-131.[3].QuantumPLC[J].,2007,23(24),108.[4],.[J].,2003,(7):53-54.[5],.[J].,2008,(3):33-34.[6].[M].,1999:45-65.[7].[M].:,2001:22-36.:(1984-),,,:;,,,:;,,,:。:2009-03-08(9051)◆◆EIC Vol.16 2009 No.4 33 doi:10.3969/j.issn.1671-1041.2009.04.019CAN(,230009):CAN(ControllerAreaNetwork)。、、、、,32ARMLPC2292。CAN,CAN。,,。:CAN;LPC2292;;;:TP13 :ABodyworksignalcollectionandcommunicationsystembasedonCANbusZHANGLan-fang(SchoolofMechanicalandAutomobileEngineering,HefeiUniversityofTechnology,Hefei230009,China)Abstract:Designofbodyworksensorsignalcollectionandcommuni-cationsystemofbodyworkcontrollers.Designingcircuittomodulateandfiltertyrespeedsignalautomobilespeedsignalbodyworkaccel-erationsignal.SCMLPC2292isusedtotransactthesignal.TheSCMsendthesignaltobodyworkcontrollersbasedonCANnetworkandallthebodyworkcontrollerscancommunicatebyCANnetworktoo.Thesystemadvantageintegrationcontrollingofthecontrollersandsaveelectricalwireoftheautomobile.Keywords:CANnetwork;LPC2292;capacitynode;realtime;filterthewaves;0 ,,,。CAN。,CAN,。,。、CAN,;,,。(Anti-lockBrakeSystem)ABS,;(ElectricPowerSteering)EPS,;(ActiveSuspensionSystem)ASS,。ABSEPS,。1 1,、4、42。1 ABS、ASS,ABS、EPS,。,ARMLPC2292。A4,4,CAN。B,B,,。A,BCAN,。ABS,EPS,ASSLPC2292CAN,。2 ABS,。,2。RC;,;LM358;,;。2 3 ARM3.1 LPC229232,4、4,,,。◆◆