基于西门子PLC的全自动洗衣机控制系统

IIIPLCintheapplicationoffull-automaticwashingmachineAbstractInthispaper,PLCisusedtorealizetheautomaticcontrolofawashingmachine.TheprincipleofthePLCcontrolmethodandthecharacteristicsofthewashingmachineisilluminated.Thearticleintroducesthestructureofthewashingmachineatthesametime,analyzesthecontrolsystemoffullyautomaticwashingmachine.Onthisbasis,thecontrolprogramoffullyautomaticwashingmachinebasedonPLCisbroughtforward.Bydemostratingtheproject,theprogramandprocessaredesignedaccordingtotheprincipleofthewashingmachine.Thesystemhasthecharacteristicsofhighlyintelligent,safe,reliabilityandsoon.Bycontrollingthebutton,solenoidvalves,switchesandotherI/Os,theautomaticcontrolofthewashingmachineisrealized.Sincethetimeofwashing,drainage,dehydrationiscontrolledbythetimerofPLC,thecontrolled-timecanbechangedbychangingtheparametersofthetimer.Keywords:programmablelogiccontroller(PLC);washingmachine;AutomaticcontrolIIIIV11919101922193719572060707080“”902021PLC2PLC345PLCPLC6.5/PID6PLC78910-AB11AB198811IECSBEKRJTt0≠010012131415162.7I0.7~I1.1I1.2~I1.4M0.1~M0.3M0.417181920213.33.4COM223.5PLC3.6PPI233.73.8243.925PIDPIDPIDPID70PIDPIDPIDPIPDPIDPSteady-stateerrorISystemwithSteady-stateError“”+(PI)D(delay)“”“”“”++(PD)26()()()etrtct()1()()()()DpITdetutKetetdtTdtpDIU(s)1G(s)==K(1++Ts)E(s)Tst(0,1,2)KTk00()()()kkjjetdtTejTTej27()()[(1)]()(1)deteKTekTekekdtTT0()()()[()(1)]kDjITTukKpekejekekTT0()()()[()(1)]kpIDjukKekKejKekek110[(1)]()()[()](1)kjzekzEzEzzejz11()()()[()()]1pIDEzUzKEzKKEzzEzz11()()(1)()1IpDKUzGzKKzEzz11211()[(1)(1)]1pIDGzKzKKzz28011()[()()()/]CIDMtKetetdtdetdtMTT29101()nnCnIDnnjMKeKeKeeM30pKiTdT313233343536373839SBR040INT041