實(shí)時(shí)子結(jié)構(gòu)實(shí)驗(yàn)控制方法及數(shù)值仿真分析.pdf

1、哈爾濱工業(yè)大學(xué)碩士學(xué)位論文實(shí)時(shí)子結(jié)構(gòu)實(shí)驗(yàn)控制方法及數(shù)值仿真分析姓名：王向英申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：吳斌20050201墮塹鎏三蘭』耋三蘭堡圭蘭堡篁蘭AbstractTherearemoreandmorenewearthquakeresistantmethodsandequipmentswiththedevelopmentofantiearthquaketechniques，whichhavegivenanewhighe

2、rdemandforthestudyofthedynamiccharacteristicsofstructuresorstructuralmembersThereal—timesubstructuretesting(RST)methodwassuggestedJapanesescholarNakashima，throughwhichthemechanicalpropertyofthevelocityrelateddevice(sucha

3、sviscousdamper)canbeaccuratelytestedThehydraulicservoloadingsystemisoftenusedinRSTaccordingtothedemandoflarge—tonnageloadsDuetothereal—timepropertyoftheloads，therewillbeaneffectontheresultsofincludedbythedynamiccharacter

4、isticsofthehydraulicservoactuatorUptono、礬therearemanydifferenttypesofhydraulicservoactuatorsinthestructurallaboratoriesaroundtheworldofwhichthedynamiccharacteristicsmayvarygreatlyfromtypetotypeTheexperimentalcostswilIbeh

5、ightostudytheeffectoftheactuatordynamiccharacteristicsoftheexperimentresultsInthispaperthenumericalmodeloftheservo—hydraulicsystemhasbeenintroducedfirsttoevaluatetheinfluenceofdynamicsoftheactuatoronthetestresultsThestru

6、cturewillgointothenon—linearstatedarningthestrongearthquake，meantimeandthedynamiccharacteristicsofmanystructurecontroldevicesarealsoexhibitnon1inearbehaviorThePIDcontrolmethodiSoftenusedinhydraulicservoactuatortheparamet

7、ersofwhicharedeterminedaccordingtothedynamiccharacteristicsofthespecimenIfthetestspecimenarechanged(suchasthetestspecimenreplacement)，theparametersneedtobecalibratedagainIftherearenon—linearphenomenonweakenduringthetesti

8、ngprocess，thecontroleffectofthePIDcontr01methodwillbewaken，andeventheresponsewilldivergeInordertoimprovetherobustpropertiesoftheRSTcontrolsystem，theslidingmodelcontrolmethodofthehydraulicservoexperimentsystemhasbeensugge