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562009(12)PCL818HG*:,,PCL818HG,PCL818HG,,,:;;;Abstract:GiventhelackoftheresearchaboutapplicationofdataacquisitioncardtoACmotorspeedcontro,lthepa2percoversthespecifications,thecharacteristics,signaltransformationandsignaltransmissionofthedataacquisitioncard,andverifiestheACmotorspeedcontroldesignschemewithPCL818HG1Theverificationresultshowsthatthisspeedcontrolmethodisreliableandhassomepracticalvalue1Keywords:dataacquisitioncard;ACmotor;variablespeedcontro;lschemedesign,,,,[1],PCL818HG,1PCL818HGPCL818HGPC/XT/AT1kFIFO,Windows,12A/DD/A,A/D100kHz,/PCL818HG1612112,168PCL818HG1,1000,,,,,0~5V0~10V22PCL818HGPCL818HG,PCL818HG,PCL818HG,11PCL818HG)24)*:(SJ08EZ06)562009(12)3PCL818HG311n=60f1p(1-s),s=ns-nns(1)f1)))p)))ns)))n))),,n=60f1p(2)(1)(2),,312PCL818HG,,,2,1,,,,,,CPU,,,2,1,1VisualC++6101,2005(6):45)4721PC1:,2008::1612)07:710061:2009-03-231,,,,2,Email3()56)25)