基于IPC的空气压缩机数据采集和压力控制系统

888.2004.12(9)ComputerMeasurement&Control:2004-01-14;:2004-01-24:(1964-),,,,:1671-4598(2004)09-0888-03:TP273:BIPC徐庆龙,杨月高,昝剑秋(,224001):,,,,,,,:;;PID;;AirCompressorDataCollectionandPressureControlSystemBasedonIndustrialComputerXuQinglong,YangYuegao,ZanJianqiu(YanchengAutomationInstitute,Yancheng224001,China)Abstract:Anaircompressordatacollectionandpressurecontrolsystemthatiscomposedofindustrialcontrolcomputer,exchangefrequencyconversiongovernorandparametersensorisintroduced.Thesystematichardwareoperationprinciple,thedesignmethodofsoftwareanddesignmeasureofreliabilityareexplained.Thetemperature,pressuremeasurementcircuitisproposed.Thesystemrealizesonlinedatacollectionofthemainoperationdataandpressurecontrolofaircompressor.Theresultshowsthatthesystemhashighprecision,strongfunctionandgooddependability.Keywords:aircompressor;datacollection;PIDcontrol;IPC;reliabilitydesign0(),,,,,,1[1-2]11IPC-610,PCA-6136586DX-133CPUPCA-6141SuperVGAPCL-813PCL-726D/A,,,,1112(1):0~300,pt100:,,;,;,,2,R3(pt100)R2R49,:IPC8892,IC0~5VA/Deout:eout=R2RVD/(R2+R3)(R2+R4)(1):VD;!R,R3=R4+!R,VD,02,W1W2,eoutmV/,IC,2ICOP07CP(2):YTZ-150,0~10MPa,0~400,;,33IC1(AN4558)-VDR1~R4RX1mA,,IC2(OP07CP)0~5VA/D,(3):,(),UGSP2014~20mAA/D4~20mAA/DPLC-813A/D,4~20mA1~5V,/4C1C2R1,R2250,D123,A/D4/13PCL-813A/DPLC-726D/A,55A/D,A/D,,D/A,,,221,A/D,A/D,A/D,()VisualC++,8901266[3]22PID[4]PID,,,,PID,,PID,,,:(1),0;(2)|e(k)|,,PD,,;7PID(3)|e(k)|∀,,PID,,PID!,!:!=1|e(k)|∀0|e(k)|(2)PID,:U(k)=Kp{e(k)+!T/TI#kj=0e(j)+TD/T[e(k)-e(k-1)]}(3)(3),PID7PID3[5],,,(1)/,(2),,(3)/,,,(4),,,(5),,;;;,;4,,:[1].[M].:,2001.[2].[M].:,1984.[3].[J].,2003.11(8):606-609.[4].PID[M].:,1998.[5].[M].:,1991.