機械振動利用工程中的振幅控制研究.pdf

1、東北大學碩士學位論文機械振動利用工程中的振幅控制研究姓名：徐會希申請學位級別：碩士專業(yè)：機械設計及理論指導教師：劉杰2002.3.1東北大學碩士學位論文ABSTRACTResearchofAmplitudeControlinMechanicalVibration—utilizationEngineeringAbstractVibrationutilizationengineeringdevelopedadequatelyinrecent

2、decadeyearsAsonebranchofit，mechanicalvibrationutilizationdevelopedveryquicklyalsoAsaspecialmachinevibratingmachinesarewidelyappliedtoindustryPeopleCanachievemanycraftproceduressuch囂vibratingfeedandvibratingtransportation

3、Antiresonancevibratingmachinesdesignedaccordingtoantiresonancetheoryhavebetterqualitythanthetraditionalones，andmorepeopleareresearchingthemGivenquantityfeedingsystemsarewidelyappliedtometallurgyindustrychemicalindustry，m

4、edicineandfoodstuffindustry，etcAcaseinpointistheelectromagneticvibrationgivenquantityfeedingcontrolsystemButthetwokindsofvibratingmachineshavethesameimperfectionthattheamplitudesarenotstabilityForthis，thisthesiswillgivet

5、wocontrolmethodstorealizeamplitudestabilityThepaperanalysesthedynamicparametersofantiresonancevibratingmachineusingantiresonancetheoryandmethod，getstheparametersthataffecttheamplitudestabilitysuchasanti—resonancesansitiv

6、ityratio，qualityratio，dumpratioAtthesametime，thepaperoptimizesthedynamicparametersoftheentireantiresonancevibratingmachinetogettheoptimalparametersusingoptimalmethodsAccordingtotheparameters，createsthestatespaceoftheanti

7、resonancevibratingmachinesystem，thenrealizestheupanddownbody’SamplitudestabilityoftheantiresonancepointsusingoptimalcontroltheoryComputersimulationshowsthatthismethodiSreasonableandreliableAccordingtotheexperimentdemando

8、ftheelectromagneticvibrationgivenfeedingsystemthepaperproposesanewreliablefuzzyselftuningPIDparametersmethodbasingOnthetraditionalPIDcontrolmethodThendesignsthefuzzyselftuningPIDparameterscontrollerandsimulateoncomputeru