二次調(diào)節(jié)液壓實驗臺性能及其控制.pdf

1、碩士學(xué)位論文THESISFORMASTER。SDEGREE論文題目二次調(diào)節(jié)液壓實驗臺性能及其控制作者學(xué)院專業(yè)指導(dǎo)教師各注郝彥軍機(jī)械工程與自動化學(xué)院機(jī)械電子工程宋錦春教授零零六年c月日東北大學(xué)碩士學(xué)住論文TheControlandPerformanceofSecondaryRegulationHydraulicLaboratorialEquipmentAbstractThecontrolofsecondaryadjustinghydrau

2、lictransmissionsystemwhichisdifferentfromtheregulationofthetraditionalprimaryelement(hydraulicpump)，isthesystemthatisdirectlyadjustingsecondaryelement(hydraulicmotor／pump)Thissystemhasalotoftheprominentcharacteristicssuc

3、hassimplestructure，andgoodefficiencyThesecondarysystemespeciallyadaptstothelarge，middlepowermachineequipmentsthathavethebigqualities，periodicityintheshorttime，constantlyacceleratingandapplyingthebrakeItisveryremarkablein

4、energysavingByusingforreferencebooksandcomparingwithothershydraulicloop，intheorysimplyintroducedthebasicworkingprincipleofthesecondaryadjustinghydraulictransmissionsystem，thedirectionofdevelopmentandpresentstateEnergysav

5、ingprincipleisespeciallyexpatiatedandanalyzedn圮mostradicalcontrollingrulessuchasspeedcontr01torquecontrolandpowercontrolaresimplyintroduced。Byanalyzingtheoryandstudying，mathematicsmodelaresetupaboutspeed，torque，powersyst

6、emsofsecondaryregulation，andespeciallyanalyzingfrictionmathematicsexpressionofsecondaryelementThedynamicperformancesofcountingfrictionalecomparedwithnotincludingfrictionthroughsimulating，sothatfrictionaffectsonthedynamic

7、performancesofsecondaryregulationsystemThestepresponsesofspeed，torque，poweraboutthesecondaryregulationhydraulicsystemaresimulatedandresearched，comparedandanalyzedtherespectiveenergysavingeffectsofrotationalspeed，torqueco

8、ntrolandpowercontr01Tothequestionthatfrictionmodelbringsonthedistortionofdynamicperformancecurve，theoptimizationcontrollerisdesignedaccordingtooptimizationtheorywhichimprovesthedynamicperformancesofsystemEffectoffriction

9、modeliscompensatedbydesigningsignalintegrationselfadaptingcontrollerofLyapnovfunctionalgorithm—basedBystudyingrobustcontrol，designideaofthepartdynamicrobustcontrollerwasbroughtforward，andcontrivedpartdynamicrobustcontrol

10、lertotationalspeedcontrolofsecondaryadjustingAbovesimulationsareallachievedbyMATLABprogramandSIMULINKframediagramSomevaluableconclusionsareeducedaccordingtotheresultsofsimulations，andthestablenessfoundationsaregroundedfo