1、Y1436690分類(lèi)號(hào)：UDC：工學(xué)碩士學(xué)位論文密級(jí)：編號(hào)：動(dòng)力固定浮橋的變結(jié)構(gòu)控制研究碩士研究生：指導(dǎo)教師：學(xué)位級(jí)別：學(xué)科、專(zhuān)業(yè)：所在單位：論文提交日期：論文答辯日期：學(xué)位授予單位：祖全達(dá)張曉宇副教授工學(xué)碩士控制理論與控制工程自動(dòng)化學(xué)院2008年1月2008年3月哈爾濱工程大學(xué)哈爾濱工程大學(xué)碩士學(xué)位論文ABSTRACTWtmndynamicfixedfloatingbridgeoperateinrivertheyaredisturbe

2、dviolentlybywaterandwind，SOconstructingadynamicsmodelandrealizingprecisepositionfixedfordynamicfixedfloatingbridgeinriverhavebecomeanurgentproblemneedtobesolvedintheresearchofdynamicfixedfloatingbridgeThecharacteristicso

3、fmotionanddisturbactedondynamicfixedfloatingbridgeinriveraleanalyzedinthepapercombiningtheoreticalknowledgeofmulti—rigiddynamicsmodeling，constructthedynamicmodeldisturbedbywaterandwindFortheneedofactualcontr01befurthersi

4、mplifieddynamicsmodelbytheneedsofactualcontr01Floatingbridgeitselfisacomplexmulti—bodysystemWhenactedonuncertaintydisturbitishardtorealizeaccuratepositionfixednevariablestructurecontrolissuitabletoresolvethecontrolproble

5、mofcomplexsystems，beacauseofthenatureofnonlinearswitchcontrol，Inaddition，itsslidingmodehasthenotableadvantagesofinvariancewimintemalparameterschangeandexternaldisturbofthesystemThuswhentherearestronginterferenceinresolvi

6、ngcontrolproblemofcomplexsystems，variablestructurecontrolbecomeaneffe：ctivemethod。Thevariablestructurecontroltechniqueisappliedtopositioncontrolofdynamicfixedfloatingbridgeinriveronthebasisofdynamicsmodelconstructedabove

7、First，accordingtothecontroltheoryofvariablestructurecontrol，combiningthestudyobjectinthispaper，variablestructurecontrolleraredesignedforthedynamicfixedsystemoffloatingbridgeTendencyrationslidingmodeisusedasswitchingfunct

8、ionwhendesigningthevariablestructurecontrollerThen，simulationarecarriedouttothedynamicfixedcontrolsystemoffloatingbridgeAndbyanalyzingsimulationresults，reliabilityandvalidityofthedynamicmodelestablishedinthispaperareveri